---
tool: Crawlinx SEO audit
source: https://crawlinx.com
domain: cartaonline.nl
report_url: "https://crawlinx.com/audit/cartaonline.nl"
crawl_id: 20260717T083950-4b7ba133
health_score: 61
generated_at: 2026-08-26T03:28:48Z
total_pages: 50
html_pages: 48
indexable_pages: 46
errors: 4
warnings: 195
notices: 527
---

# SEO audit: cartaonline.nl

**Health score: 61/100** — needs attention

> Audited by [Crawlinx](https://crawlinx.com) — the free technical-SEO crawler. Full report: https://crawlinx.com/audit/cartaonline.nl

## Overview

| Metric | Value |
| --- | --- |
| Pages crawled | 50 |
| HTML pages | 48 |
| Indexable | 46 |
| Non-indexable | 0 |
| Orphan pages | 0 |
| Broken internal links | 2 |
| Avg response time | 994 ms |
| Errors / Warnings / Notices | 4 / 195 / 527 |
| Status codes | 48×200, 2×404 |

## Categories

| Category | Score | Errors | Warnings | Notices |
| --- | ---: | ---: | ---: | ---: |
| Crawlability | 96 | 2 | 0 | 0 |
| Links | 96 | 2 | 0 | 46 |
| Structured Data | 45 | 0 | 91 | 33 |
| Agent Readiness | 72 | 0 | 46 | 65 |
| Performance | 72 | 0 | 46 | 147 |
| Content | 98 | 0 | 4 | 4 |
| Meta Description | 98 | 0 | 4 | 5 |
| Indexability | 99 | 0 | 2 | 0 |
| Images | 99 | 0 | 1 | 46 |
| Titles | 99 | 0 | 1 | 0 |
| Cache | 100 | 0 | 0 | 46 |
| Headings | 100 | 0 | 0 | 2 |
| Security | 100 | 0 | 0 | 94 |
| Social | 100 | 0 | 0 | 36 |
| URL | 100 | 0 | 0 | 3 |

## Issues

### Errors (4)

#### Broken internal link (target 4xx/5xx)

- Rule: `links.broken_internal` · Category: Links · Occurrences: 2

- [https://www.cartaonline.nl/help-ik-weet-niet-wat-ik-moet-kiezen/](https://www.cartaonline.nl/help-ik-weet-niet-wat-ik-moet-kiezen/) — https://www.cartaonline.nl/functies (HTTP 404)
- [https://www.cartaonline.nl/vergelijk/op-maat/](https://www.cartaonline.nl/vergelijk/op-maat/) — https://www.cartaonline.nl/oplossingen/ (HTTP 404)

#### Client error (4xx) response

- Rule: `status.4xx` · Category: Crawlability · Occurrences: 2

- [https://www.cartaonline.nl/functies](https://www.cartaonline.nl/functies) — HTTP 404
- [https://www.cartaonline.nl/oplossingen/](https://www.cartaonline.nl/oplossingen/) — HTTP 404

### Warnings (195)

#### Control has no accessible name

- Rule: `agent.control_no_name` · Category: Agent Readiness · Occurrences: 46

- [https://www.cartaonline.nl/](https://www.cartaonline.nl/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/algemene-voorwaarden/](https://www.cartaonline.nl/algemene-voorwaarden/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/bedankt/](https://www.cartaonline.nl/bedankt/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/blended-learning/](https://www.cartaonline.nl/blended-learning/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/blog/](https://www.cartaonline.nl/blog/) — 4 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/carta-online-gebruikers/wendy-bosboom-van-stichting-ooi-carta-online-biedt-veel-mogelijkheden/](https://www.cartaonline.nl/carta-online-gebruikers/wendy-bosboom-van-stichting-ooi-carta-online-biedt-veel-mogelijkheden/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/categorie/carta-online-gebruikers/](https://www.cartaonline.nl/categorie/carta-online-gebruikers/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/cloudoplossing/](https://www.cartaonline.nl/cloudoplossing/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/congresregistratie/](https://www.cartaonline.nl/congresregistratie/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/contact/](https://www.cartaonline.nl/contact/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/cursistenadministratie-online/](https://www.cartaonline.nl/cursistenadministratie-online/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/cursistenadministratie-software/](https://www.cartaonline.nl/cursistenadministratie-software/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/cursus-administratie-software/](https://www.cartaonline.nl/cursus-administratie-software/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/cursusadministratie-demo/](https://www.cartaonline.nl/cursusadministratie-demo/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/cursusadministratie-voor-opleiders/](https://www.cartaonline.nl/cursusadministratie-voor-opleiders/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/cursusadministratie/](https://www.cartaonline.nl/cursusadministratie/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/cursusadministratie/koppelingen/](https://www.cartaonline.nl/cursusadministratie/koppelingen/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/cursusplanning-en-roostering/](https://www.cartaonline.nl/cursusplanning-en-roostering/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/cursussen/](https://www.cartaonline.nl/cursussen/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/de-juiste-gegevens-op-leeroverzicht-met-carta/](https://www.cartaonline.nl/de-juiste-gegevens-op-leeroverzicht-met-carta/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/demo-aanvragen/](https://www.cartaonline.nl/demo-aanvragen/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/gebruiksvriendelijke-opleidingssoftware/](https://www.cartaonline.nl/gebruiksvriendelijke-opleidingssoftware/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/help-ik-weet-niet-wat-ik-moet-kiezen/](https://www.cartaonline.nl/help-ik-weet-niet-wat-ik-moet-kiezen/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/keuzehulp/](https://www.cartaonline.nl/keuzehulp/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/koppelingen/leeroverzicht/](https://www.cartaonline.nl/koppelingen/leeroverzicht/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/learning-management-systeem/](https://www.cartaonline.nl/learning-management-systeem/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/nieuwe-features-in-carta-online/20-jaar-internationale-dag-rsi/](https://www.cartaonline.nl/nieuwe-features-in-carta-online/20-jaar-internationale-dag-rsi/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/nieuws/chatgpt-voor-opleiders/](https://www.cartaonline.nl/nieuws/chatgpt-voor-opleiders/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/ondersteuning/](https://www.cartaonline.nl/ondersteuning/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/onderwijs-en-ict/een-leven-lang-leren/](https://www.cartaonline.nl/onderwijs-en-ict/een-leven-lang-leren/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/ontwikkelingen-in-het-onderwijs/stap-budget-geautomatiseerd-in-carta-online/](https://www.cartaonline.nl/ontwikkelingen-in-het-onderwijs/stap-budget-geautomatiseerd-in-carta-online/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/onze-service/](https://www.cartaonline.nl/onze-service/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/opleidingsadministratie/](https://www.cartaonline.nl/opleidingsadministratie/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/opleidingssoftware/](https://www.cartaonline.nl/opleidingssoftware/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/organisatie-van-evenementen/](https://www.cartaonline.nl/organisatie-van-evenementen/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/projecten/](https://www.cartaonline.nl/projecten/) — 12 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/projecten/project-11/](https://www.cartaonline.nl/projecten/project-11/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/quick-support/](https://www.cartaonline.nl/quick-support/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/releasenotes/](https://www.cartaonline.nl/releasenotes/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/start-test/](https://www.cartaonline.nl/start-test/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/vacatures/](https://www.cartaonline.nl/vacatures/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/vacatures/vacature-projectmanager/](https://www.cartaonline.nl/vacatures/vacature-projectmanager/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/vergelijk/](https://www.cartaonline.nl/vergelijk/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/vergelijk/op-maat/](https://www.cartaonline.nl/vergelijk/op-maat/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/vraag-en-antwoord/een-creditnota-aanmaken/](https://www.cartaonline.nl/vraag-en-antwoord/een-creditnota-aanmaken/) — 3 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.cartaonline.nl/wij-zijn-carta-online/](https://www.cartaonline.nl/wij-zijn-carta-online/) — 3 button/link(s) with no text or aria-label — an agent can't target them

#### Thin content (low word count)

- Rule: `content.thin` · Category: Content · Occurrences: 4

- [https://www.cartaonline.nl/algemene-voorwaarden/](https://www.cartaonline.nl/algemene-voorwaarden/) — 164 words
- [https://www.cartaonline.nl/projecten/](https://www.cartaonline.nl/projecten/) — 165 words
- [https://www.cartaonline.nl/projecten/project-11/](https://www.cartaonline.nl/projecten/project-11/) — 149 words
- [https://www.cartaonline.nl/vacatures/](https://www.cartaonline.nl/vacatures/) — 145 words

#### Images missing alt text

- Rule: `images.missing_alt` · Category: Images · Occurrences: 1

- [https://www.cartaonline.nl/projecten/project-11/](https://www.cartaonline.nl/projecten/project-11/) — 1 of 3 images missing alt

#### Page is noindex

- Rule: `index.noindex` · Category: Indexability · Occurrences: 2

- [https://www.cartaonline.nl/functies](https://www.cartaonline.nl/functies) — meta/X-Robots: meta=follow, noindex
- [https://www.cartaonline.nl/oplossingen/](https://www.cartaonline.nl/oplossingen/) — meta/X-Robots: meta=follow, noindex

#### Missing meta description

- Rule: `meta_desc.missing` · Category: Meta Description · Occurrences: 4

- [https://www.cartaonline.nl/bedankt/](https://www.cartaonline.nl/bedankt/)
- [https://www.cartaonline.nl/blog/](https://www.cartaonline.nl/blog/)
- [https://www.cartaonline.nl/categorie/carta-online-gebruikers/](https://www.cartaonline.nl/categorie/carta-online-gebruikers/)
- [https://www.cartaonline.nl/projecten/project-11/](https://www.cartaonline.nl/projecten/project-11/)

#### Render-blocking script in <head> (no defer/async)

- Rule: `perf.render_blocking` · Category: Performance · Occurrences: 46

- [https://www.cartaonline.nl/](https://www.cartaonline.nl/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/algemene-voorwaarden/](https://www.cartaonline.nl/algemene-voorwaarden/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/bedankt/](https://www.cartaonline.nl/bedankt/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/blended-learning/](https://www.cartaonline.nl/blended-learning/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/blog/](https://www.cartaonline.nl/blog/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/carta-online-gebruikers/wendy-bosboom-van-stichting-ooi-carta-online-biedt-veel-mogelijkheden/](https://www.cartaonline.nl/carta-online-gebruikers/wendy-bosboom-van-stichting-ooi-carta-online-biedt-veel-mogelijkheden/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/categorie/carta-online-gebruikers/](https://www.cartaonline.nl/categorie/carta-online-gebruikers/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/cloudoplossing/](https://www.cartaonline.nl/cloudoplossing/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/congresregistratie/](https://www.cartaonline.nl/congresregistratie/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/contact/](https://www.cartaonline.nl/contact/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/cursistenadministratie-online/](https://www.cartaonline.nl/cursistenadministratie-online/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/cursistenadministratie-software/](https://www.cartaonline.nl/cursistenadministratie-software/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/cursus-administratie-software/](https://www.cartaonline.nl/cursus-administratie-software/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/cursusadministratie-demo/](https://www.cartaonline.nl/cursusadministratie-demo/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/cursusadministratie-voor-opleiders/](https://www.cartaonline.nl/cursusadministratie-voor-opleiders/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/cursusadministratie/](https://www.cartaonline.nl/cursusadministratie/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/cursusadministratie/koppelingen/](https://www.cartaonline.nl/cursusadministratie/koppelingen/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/cursusplanning-en-roostering/](https://www.cartaonline.nl/cursusplanning-en-roostering/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/cursussen/](https://www.cartaonline.nl/cursussen/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/de-juiste-gegevens-op-leeroverzicht-met-carta/](https://www.cartaonline.nl/de-juiste-gegevens-op-leeroverzicht-met-carta/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/demo-aanvragen/](https://www.cartaonline.nl/demo-aanvragen/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/gebruiksvriendelijke-opleidingssoftware/](https://www.cartaonline.nl/gebruiksvriendelijke-opleidingssoftware/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/help-ik-weet-niet-wat-ik-moet-kiezen/](https://www.cartaonline.nl/help-ik-weet-niet-wat-ik-moet-kiezen/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/keuzehulp/](https://www.cartaonline.nl/keuzehulp/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/koppelingen/leeroverzicht/](https://www.cartaonline.nl/koppelingen/leeroverzicht/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/learning-management-systeem/](https://www.cartaonline.nl/learning-management-systeem/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/nieuwe-features-in-carta-online/20-jaar-internationale-dag-rsi/](https://www.cartaonline.nl/nieuwe-features-in-carta-online/20-jaar-internationale-dag-rsi/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/nieuws/chatgpt-voor-opleiders/](https://www.cartaonline.nl/nieuws/chatgpt-voor-opleiders/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/ondersteuning/](https://www.cartaonline.nl/ondersteuning/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/onderwijs-en-ict/een-leven-lang-leren/](https://www.cartaonline.nl/onderwijs-en-ict/een-leven-lang-leren/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/ontwikkelingen-in-het-onderwijs/stap-budget-geautomatiseerd-in-carta-online/](https://www.cartaonline.nl/ontwikkelingen-in-het-onderwijs/stap-budget-geautomatiseerd-in-carta-online/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/onze-service/](https://www.cartaonline.nl/onze-service/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/opleidingsadministratie/](https://www.cartaonline.nl/opleidingsadministratie/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/opleidingssoftware/](https://www.cartaonline.nl/opleidingssoftware/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/organisatie-van-evenementen/](https://www.cartaonline.nl/organisatie-van-evenementen/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/projecten/](https://www.cartaonline.nl/projecten/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/projecten/project-11/](https://www.cartaonline.nl/projecten/project-11/) — 7 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/quick-support/](https://www.cartaonline.nl/quick-support/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/releasenotes/](https://www.cartaonline.nl/releasenotes/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/start-test/](https://www.cartaonline.nl/start-test/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/vacatures/](https://www.cartaonline.nl/vacatures/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/vacatures/vacature-projectmanager/](https://www.cartaonline.nl/vacatures/vacature-projectmanager/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/vergelijk/](https://www.cartaonline.nl/vergelijk/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/vergelijk/op-maat/](https://www.cartaonline.nl/vergelijk/op-maat/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/vraag-en-antwoord/een-creditnota-aanmaken/](https://www.cartaonline.nl/vraag-en-antwoord/een-creditnota-aanmaken/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.cartaonline.nl/wij-zijn-carta-online/](https://www.cartaonline.nl/wij-zijn-carta-online/) — 6 render-blocking <script> in <head> (add defer/async or use type=module)

#### BreadcrumbList present but structurally incomplete

- Rule: `schema.breadcrumb_incomplete` · Category: Structured Data · Occurrences: 45

- [https://www.cartaonline.nl/algemene-voorwaarden/](https://www.cartaonline.nl/algemene-voorwaarden/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/bedankt/](https://www.cartaonline.nl/bedankt/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/blended-learning/](https://www.cartaonline.nl/blended-learning/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/blog/](https://www.cartaonline.nl/blog/) — a BreadcrumbList is present but structurally incomplete — missing required itemListElement. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/carta-online-gebruikers/wendy-bosboom-van-stichting-ooi-carta-online-biedt-veel-mogelijkheden/](https://www.cartaonline.nl/carta-online-gebruikers/wendy-bosboom-van-stichting-ooi-carta-online-biedt-veel-mogelijkheden/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/categorie/carta-online-gebruikers/](https://www.cartaonline.nl/categorie/carta-online-gebruikers/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/cloudoplossing/](https://www.cartaonline.nl/cloudoplossing/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/congresregistratie/](https://www.cartaonline.nl/congresregistratie/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/contact/](https://www.cartaonline.nl/contact/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/cursistenadministratie-online/](https://www.cartaonline.nl/cursistenadministratie-online/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/cursistenadministratie-software/](https://www.cartaonline.nl/cursistenadministratie-software/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/cursus-administratie-software/](https://www.cartaonline.nl/cursus-administratie-software/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/cursusadministratie-demo/](https://www.cartaonline.nl/cursusadministratie-demo/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/cursusadministratie-voor-opleiders/](https://www.cartaonline.nl/cursusadministratie-voor-opleiders/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/cursusadministratie/](https://www.cartaonline.nl/cursusadministratie/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/cursusadministratie/koppelingen/](https://www.cartaonline.nl/cursusadministratie/koppelingen/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/cursusplanning-en-roostering/](https://www.cartaonline.nl/cursusplanning-en-roostering/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/cursussen/](https://www.cartaonline.nl/cursussen/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/de-juiste-gegevens-op-leeroverzicht-met-carta/](https://www.cartaonline.nl/de-juiste-gegevens-op-leeroverzicht-met-carta/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/demo-aanvragen/](https://www.cartaonline.nl/demo-aanvragen/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/gebruiksvriendelijke-opleidingssoftware/](https://www.cartaonline.nl/gebruiksvriendelijke-opleidingssoftware/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/help-ik-weet-niet-wat-ik-moet-kiezen/](https://www.cartaonline.nl/help-ik-weet-niet-wat-ik-moet-kiezen/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/keuzehulp/](https://www.cartaonline.nl/keuzehulp/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/koppelingen/leeroverzicht/](https://www.cartaonline.nl/koppelingen/leeroverzicht/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/learning-management-systeem/](https://www.cartaonline.nl/learning-management-systeem/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/nieuwe-features-in-carta-online/20-jaar-internationale-dag-rsi/](https://www.cartaonline.nl/nieuwe-features-in-carta-online/20-jaar-internationale-dag-rsi/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/nieuws/chatgpt-voor-opleiders/](https://www.cartaonline.nl/nieuws/chatgpt-voor-opleiders/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/ondersteuning/](https://www.cartaonline.nl/ondersteuning/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/onderwijs-en-ict/een-leven-lang-leren/](https://www.cartaonline.nl/onderwijs-en-ict/een-leven-lang-leren/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/ontwikkelingen-in-het-onderwijs/stap-budget-geautomatiseerd-in-carta-online/](https://www.cartaonline.nl/ontwikkelingen-in-het-onderwijs/stap-budget-geautomatiseerd-in-carta-online/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/onze-service/](https://www.cartaonline.nl/onze-service/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/opleidingsadministratie/](https://www.cartaonline.nl/opleidingsadministratie/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/opleidingssoftware/](https://www.cartaonline.nl/opleidingssoftware/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/organisatie-van-evenementen/](https://www.cartaonline.nl/organisatie-van-evenementen/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/projecten/](https://www.cartaonline.nl/projecten/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/projecten/project-11/](https://www.cartaonline.nl/projecten/project-11/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/quick-support/](https://www.cartaonline.nl/quick-support/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/releasenotes/](https://www.cartaonline.nl/releasenotes/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/start-test/](https://www.cartaonline.nl/start-test/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/vacatures/](https://www.cartaonline.nl/vacatures/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/vacatures/vacature-projectmanager/](https://www.cartaonline.nl/vacatures/vacature-projectmanager/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/vergelijk/](https://www.cartaonline.nl/vergelijk/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/vergelijk/op-maat/](https://www.cartaonline.nl/vergelijk/op-maat/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/vraag-en-antwoord/een-creditnota-aanmaken/](https://www.cartaonline.nl/vraag-en-antwoord/een-creditnota-aanmaken/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://www.cartaonline.nl/wij-zijn-carta-online/](https://www.cartaonline.nl/wij-zijn-carta-online/) — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.

#### Schema describes content not visible on the page

- Rule: `schema.hidden_content` · Category: Structured Data · Occurrences: 1

- [https://www.cartaonline.nl/koppelingen/leeroverzicht/](https://www.cartaonline.nl/koppelingen/leeroverzicht/) — a schema name/headline ("Uitlegvideo Leeroverzicht.nl") does not appear in the page's visible text — Google's policies prohibit marking up content not visible to readers. This is a heuristic (a static-HTML substring check): JS-rendered or abbreviated names can be false positives, so verify before removing.

#### Rich-result schema missing required properties

- Rule: `schema.invalid` · Category: Structured Data · Occurrences: 45

- [https://www.cartaonline.nl/](https://www.cartaonline.nl/) — Organization missing: url
- [https://www.cartaonline.nl/algemene-voorwaarden/](https://www.cartaonline.nl/algemene-voorwaarden/) — Organization missing: url
- [https://www.cartaonline.nl/bedankt/](https://www.cartaonline.nl/bedankt/) — Organization missing: url
- [https://www.cartaonline.nl/blended-learning/](https://www.cartaonline.nl/blended-learning/) — Organization missing: url
- [https://www.cartaonline.nl/blog/](https://www.cartaonline.nl/blog/) — Organization missing: url
- [https://www.cartaonline.nl/carta-online-gebruikers/wendy-bosboom-van-stichting-ooi-carta-online-biedt-veel-mogelijkheden/](https://www.cartaonline.nl/carta-online-gebruikers/wendy-bosboom-van-stichting-ooi-carta-online-biedt-veel-mogelijkheden/) — Organization missing: url
- [https://www.cartaonline.nl/categorie/carta-online-gebruikers/](https://www.cartaonline.nl/categorie/carta-online-gebruikers/) — Organization missing: url
- [https://www.cartaonline.nl/cloudoplossing/](https://www.cartaonline.nl/cloudoplossing/) — Organization missing: url
- [https://www.cartaonline.nl/congresregistratie/](https://www.cartaonline.nl/congresregistratie/) — Organization missing: url
- [https://www.cartaonline.nl/contact/](https://www.cartaonline.nl/contact/) — Organization missing: url
- [https://www.cartaonline.nl/cursistenadministratie-online/](https://www.cartaonline.nl/cursistenadministratie-online/) — Organization missing: url
- [https://www.cartaonline.nl/cursistenadministratie-software/](https://www.cartaonline.nl/cursistenadministratie-software/) — Organization missing: url
- [https://www.cartaonline.nl/cursus-administratie-software/](https://www.cartaonline.nl/cursus-administratie-software/) — Organization missing: url
- [https://www.cartaonline.nl/cursusadministratie-demo/](https://www.cartaonline.nl/cursusadministratie-demo/) — Organization missing: url
- [https://www.cartaonline.nl/cursusadministratie-voor-opleiders/](https://www.cartaonline.nl/cursusadministratie-voor-opleiders/) — Organization missing: url
- [https://www.cartaonline.nl/cursusadministratie/](https://www.cartaonline.nl/cursusadministratie/) — Organization missing: url
- [https://www.cartaonline.nl/cursusadministratie/koppelingen/](https://www.cartaonline.nl/cursusadministratie/koppelingen/) — Organization missing: url
- [https://www.cartaonline.nl/cursusplanning-en-roostering/](https://www.cartaonline.nl/cursusplanning-en-roostering/) — Organization missing: url
- [https://www.cartaonline.nl/cursussen/](https://www.cartaonline.nl/cursussen/) — Organization missing: url
- [https://www.cartaonline.nl/de-juiste-gegevens-op-leeroverzicht-met-carta/](https://www.cartaonline.nl/de-juiste-gegevens-op-leeroverzicht-met-carta/) — Organization missing: url
- [https://www.cartaonline.nl/demo-aanvragen/](https://www.cartaonline.nl/demo-aanvragen/) — Organization missing: url
- [https://www.cartaonline.nl/gebruiksvriendelijke-opleidingssoftware/](https://www.cartaonline.nl/gebruiksvriendelijke-opleidingssoftware/) — Organization missing: url
- [https://www.cartaonline.nl/help-ik-weet-niet-wat-ik-moet-kiezen/](https://www.cartaonline.nl/help-ik-weet-niet-wat-ik-moet-kiezen/) — Organization missing: url
- [https://www.cartaonline.nl/keuzehulp/](https://www.cartaonline.nl/keuzehulp/) — Organization missing: url
- [https://www.cartaonline.nl/koppelingen/leeroverzicht/](https://www.cartaonline.nl/koppelingen/leeroverzicht/) — Organization missing: url
- [https://www.cartaonline.nl/learning-management-systeem/](https://www.cartaonline.nl/learning-management-systeem/) — Organization missing: url
- [https://www.cartaonline.nl/nieuwe-features-in-carta-online/20-jaar-internationale-dag-rsi/](https://www.cartaonline.nl/nieuwe-features-in-carta-online/20-jaar-internationale-dag-rsi/) — Organization missing: url
- [https://www.cartaonline.nl/nieuws/chatgpt-voor-opleiders/](https://www.cartaonline.nl/nieuws/chatgpt-voor-opleiders/) — Organization missing: url
- [https://www.cartaonline.nl/ondersteuning/](https://www.cartaonline.nl/ondersteuning/) — Organization missing: url
- [https://www.cartaonline.nl/onderwijs-en-ict/een-leven-lang-leren/](https://www.cartaonline.nl/onderwijs-en-ict/een-leven-lang-leren/) — Organization missing: url
- [https://www.cartaonline.nl/ontwikkelingen-in-het-onderwijs/stap-budget-geautomatiseerd-in-carta-online/](https://www.cartaonline.nl/ontwikkelingen-in-het-onderwijs/stap-budget-geautomatiseerd-in-carta-online/) — Organization missing: url
- [https://www.cartaonline.nl/onze-service/](https://www.cartaonline.nl/onze-service/) — Organization missing: url
- [https://www.cartaonline.nl/opleidingsadministratie/](https://www.cartaonline.nl/opleidingsadministratie/) — Organization missing: url
- [https://www.cartaonline.nl/opleidingssoftware/](https://www.cartaonline.nl/opleidingssoftware/) — Organization missing: url
- [https://www.cartaonline.nl/organisatie-van-evenementen/](https://www.cartaonline.nl/organisatie-van-evenementen/) — Organization missing: url
- [https://www.cartaonline.nl/projecten/](https://www.cartaonline.nl/projecten/) — Organization missing: url
- [https://www.cartaonline.nl/quick-support/](https://www.cartaonline.nl/quick-support/) — Organization missing: url
- [https://www.cartaonline.nl/releasenotes/](https://www.cartaonline.nl/releasenotes/) — Organization missing: url
- [https://www.cartaonline.nl/start-test/](https://www.cartaonline.nl/start-test/) — Organization missing: url
- [https://www.cartaonline.nl/vacatures/](https://www.cartaonline.nl/vacatures/) — Organization missing: url
- [https://www.cartaonline.nl/vacatures/vacature-projectmanager/](https://www.cartaonline.nl/vacatures/vacature-projectmanager/) — Organization missing: url
- [https://www.cartaonline.nl/vergelijk/](https://www.cartaonline.nl/vergelijk/) — Organization missing: url
- [https://www.cartaonline.nl/vergelijk/op-maat/](https://www.cartaonline.nl/vergelijk/op-maat/) — Organization missing: url
- [https://www.cartaonline.nl/vraag-en-antwoord/een-creditnota-aanmaken/](https://www.cartaonline.nl/vraag-en-antwoord/een-creditnota-aanmaken/) — Organization missing: url
- [https://www.cartaonline.nl/wij-zijn-carta-online/](https://www.cartaonline.nl/wij-zijn-carta-online/) — Organization missing: url

#### Title likely truncated in SERP (too wide)

- Rule: `title.too_long` · Category: Titles · Occurrences: 1

- [https://www.cartaonline.nl/carta-online-gebruikers/wendy-bosboom-van-stichting-ooi-carta-online-biedt-veel-mogelijkheden/](https://www.cartaonline.nl/carta-online-gebruikers/wendy-bosboom-van-stichting-ooi-carta-online-biedt-veel-mogelijkheden/) — 88 chars, ~687px (limit ~580px)

### Notices (527)

#### Heading levels skip a level

- Rule: `agent.heading_skip` · Category: Agent Readiness · Occurrences: 19

- [https://www.cartaonline.nl/](https://www.cartaonline.nl/) — h5 follows h1 — skips h2
- [https://www.cartaonline.nl/bedankt/](https://www.cartaonline.nl/bedankt/) — h5 follows h1 — skips h2
- [https://www.cartaonline.nl/blog/](https://www.cartaonline.nl/blog/) — h4 follows h2 — skips h3
- [https://www.cartaonline.nl/categorie/carta-online-gebruikers/](https://www.cartaonline.nl/categorie/carta-online-gebruikers/) — h4 follows h2 — skips h3
- [https://www.cartaonline.nl/contact/](https://www.cartaonline.nl/contact/) — h4 follows h1 — skips h2
- [https://www.cartaonline.nl/cursistenadministratie-software/](https://www.cartaonline.nl/cursistenadministratie-software/) — h5 follows h2 — skips h3
- [https://www.cartaonline.nl/cursus-administratie-software/](https://www.cartaonline.nl/cursus-administratie-software/) — h5 follows h2 — skips h3
- [https://www.cartaonline.nl/cursusadministratie-voor-opleiders/](https://www.cartaonline.nl/cursusadministratie-voor-opleiders/) — h5 follows h3 — skips h4
- [https://www.cartaonline.nl/cursusadministratie/](https://www.cartaonline.nl/cursusadministratie/) — h4 follows h2 — skips h3
- [https://www.cartaonline.nl/de-juiste-gegevens-op-leeroverzicht-met-carta/](https://www.cartaonline.nl/de-juiste-gegevens-op-leeroverzicht-met-carta/) — h4 follows h2 — skips h3
- [https://www.cartaonline.nl/demo-aanvragen/](https://www.cartaonline.nl/demo-aanvragen/) — h4 follows h2 — skips h3
- [https://www.cartaonline.nl/keuzehulp/](https://www.cartaonline.nl/keuzehulp/) — h5 follows h2 — skips h3
- [https://www.cartaonline.nl/nieuws/chatgpt-voor-opleiders/](https://www.cartaonline.nl/nieuws/chatgpt-voor-opleiders/) — h5 follows h2 — skips h3
- [https://www.cartaonline.nl/ondersteuning/](https://www.cartaonline.nl/ondersteuning/) — h4 follows h2 — skips h3
- [https://www.cartaonline.nl/opleidingssoftware/](https://www.cartaonline.nl/opleidingssoftware/) — h5 follows h2 — skips h3
- [https://www.cartaonline.nl/projecten/](https://www.cartaonline.nl/projecten/) — h3 follows h1 — skips h2
- [https://www.cartaonline.nl/vacatures/vacature-projectmanager/](https://www.cartaonline.nl/vacatures/vacature-projectmanager/) — h4 follows h2 — skips h3
- [https://www.cartaonline.nl/vergelijk/](https://www.cartaonline.nl/vergelijk/) — h5 follows h2 — skips h3
- [https://www.cartaonline.nl/wij-zijn-carta-online/](https://www.cartaonline.nl/wij-zijn-carta-online/) — h4 follows h2 — skips h3

#### No main landmark for AI agents

- Rule: `agent.no_main_landmark` · Category: Agent Readiness · Occurrences: 46

- [https://www.cartaonline.nl/](https://www.cartaonline.nl/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/algemene-voorwaarden/](https://www.cartaonline.nl/algemene-voorwaarden/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/bedankt/](https://www.cartaonline.nl/bedankt/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/blended-learning/](https://www.cartaonline.nl/blended-learning/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/blog/](https://www.cartaonline.nl/blog/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/carta-online-gebruikers/wendy-bosboom-van-stichting-ooi-carta-online-biedt-veel-mogelijkheden/](https://www.cartaonline.nl/carta-online-gebruikers/wendy-bosboom-van-stichting-ooi-carta-online-biedt-veel-mogelijkheden/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/categorie/carta-online-gebruikers/](https://www.cartaonline.nl/categorie/carta-online-gebruikers/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/cloudoplossing/](https://www.cartaonline.nl/cloudoplossing/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/congresregistratie/](https://www.cartaonline.nl/congresregistratie/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/contact/](https://www.cartaonline.nl/contact/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/cursistenadministratie-online/](https://www.cartaonline.nl/cursistenadministratie-online/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/cursistenadministratie-software/](https://www.cartaonline.nl/cursistenadministratie-software/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/cursus-administratie-software/](https://www.cartaonline.nl/cursus-administratie-software/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/cursusadministratie-demo/](https://www.cartaonline.nl/cursusadministratie-demo/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/cursusadministratie-voor-opleiders/](https://www.cartaonline.nl/cursusadministratie-voor-opleiders/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/cursusadministratie/](https://www.cartaonline.nl/cursusadministratie/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/cursusadministratie/koppelingen/](https://www.cartaonline.nl/cursusadministratie/koppelingen/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/cursusplanning-en-roostering/](https://www.cartaonline.nl/cursusplanning-en-roostering/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/cursussen/](https://www.cartaonline.nl/cursussen/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/de-juiste-gegevens-op-leeroverzicht-met-carta/](https://www.cartaonline.nl/de-juiste-gegevens-op-leeroverzicht-met-carta/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/demo-aanvragen/](https://www.cartaonline.nl/demo-aanvragen/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/gebruiksvriendelijke-opleidingssoftware/](https://www.cartaonline.nl/gebruiksvriendelijke-opleidingssoftware/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/help-ik-weet-niet-wat-ik-moet-kiezen/](https://www.cartaonline.nl/help-ik-weet-niet-wat-ik-moet-kiezen/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/keuzehulp/](https://www.cartaonline.nl/keuzehulp/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/koppelingen/leeroverzicht/](https://www.cartaonline.nl/koppelingen/leeroverzicht/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/learning-management-systeem/](https://www.cartaonline.nl/learning-management-systeem/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/nieuwe-features-in-carta-online/20-jaar-internationale-dag-rsi/](https://www.cartaonline.nl/nieuwe-features-in-carta-online/20-jaar-internationale-dag-rsi/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/nieuws/chatgpt-voor-opleiders/](https://www.cartaonline.nl/nieuws/chatgpt-voor-opleiders/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/ondersteuning/](https://www.cartaonline.nl/ondersteuning/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/onderwijs-en-ict/een-leven-lang-leren/](https://www.cartaonline.nl/onderwijs-en-ict/een-leven-lang-leren/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/ontwikkelingen-in-het-onderwijs/stap-budget-geautomatiseerd-in-carta-online/](https://www.cartaonline.nl/ontwikkelingen-in-het-onderwijs/stap-budget-geautomatiseerd-in-carta-online/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/onze-service/](https://www.cartaonline.nl/onze-service/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/opleidingsadministratie/](https://www.cartaonline.nl/opleidingsadministratie/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/opleidingssoftware/](https://www.cartaonline.nl/opleidingssoftware/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/organisatie-van-evenementen/](https://www.cartaonline.nl/organisatie-van-evenementen/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/projecten/](https://www.cartaonline.nl/projecten/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/projecten/project-11/](https://www.cartaonline.nl/projecten/project-11/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/quick-support/](https://www.cartaonline.nl/quick-support/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/releasenotes/](https://www.cartaonline.nl/releasenotes/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/start-test/](https://www.cartaonline.nl/start-test/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/vacatures/](https://www.cartaonline.nl/vacatures/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/vacatures/vacature-projectmanager/](https://www.cartaonline.nl/vacatures/vacature-projectmanager/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/vergelijk/](https://www.cartaonline.nl/vergelijk/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/vergelijk/op-maat/](https://www.cartaonline.nl/vergelijk/op-maat/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/vraag-en-antwoord/een-creditnota-aanmaken/](https://www.cartaonline.nl/vraag-en-antwoord/een-creditnota-aanmaken/) — add a <main> element (or role=main) around the primary content
- [https://www.cartaonline.nl/wij-zijn-carta-online/](https://www.cartaonline.nl/wij-zijn-carta-online/) — add a <main> element (or role=main) around the primary content

#### Page served uncached (no-store/private or CDN bypass)

- Rule: `cache.not_cacheable` · Category: Cache · Occurrences: 46

- [https://www.cartaonline.nl/](https://www.cartaonline.nl/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/algemene-voorwaarden/](https://www.cartaonline.nl/algemene-voorwaarden/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/bedankt/](https://www.cartaonline.nl/bedankt/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/blended-learning/](https://www.cartaonline.nl/blended-learning/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/blog/](https://www.cartaonline.nl/blog/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/carta-online-gebruikers/wendy-bosboom-van-stichting-ooi-carta-online-biedt-veel-mogelijkheden/](https://www.cartaonline.nl/carta-online-gebruikers/wendy-bosboom-van-stichting-ooi-carta-online-biedt-veel-mogelijkheden/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/categorie/carta-online-gebruikers/](https://www.cartaonline.nl/categorie/carta-online-gebruikers/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/cloudoplossing/](https://www.cartaonline.nl/cloudoplossing/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/congresregistratie/](https://www.cartaonline.nl/congresregistratie/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/contact/](https://www.cartaonline.nl/contact/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/cursistenadministratie-online/](https://www.cartaonline.nl/cursistenadministratie-online/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/cursistenadministratie-software/](https://www.cartaonline.nl/cursistenadministratie-software/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/cursus-administratie-software/](https://www.cartaonline.nl/cursus-administratie-software/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/cursusadministratie-demo/](https://www.cartaonline.nl/cursusadministratie-demo/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/cursusadministratie-voor-opleiders/](https://www.cartaonline.nl/cursusadministratie-voor-opleiders/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/cursusadministratie/](https://www.cartaonline.nl/cursusadministratie/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/cursusadministratie/koppelingen/](https://www.cartaonline.nl/cursusadministratie/koppelingen/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/cursusplanning-en-roostering/](https://www.cartaonline.nl/cursusplanning-en-roostering/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/cursussen/](https://www.cartaonline.nl/cursussen/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/de-juiste-gegevens-op-leeroverzicht-met-carta/](https://www.cartaonline.nl/de-juiste-gegevens-op-leeroverzicht-met-carta/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/demo-aanvragen/](https://www.cartaonline.nl/demo-aanvragen/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/gebruiksvriendelijke-opleidingssoftware/](https://www.cartaonline.nl/gebruiksvriendelijke-opleidingssoftware/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/help-ik-weet-niet-wat-ik-moet-kiezen/](https://www.cartaonline.nl/help-ik-weet-niet-wat-ik-moet-kiezen/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/keuzehulp/](https://www.cartaonline.nl/keuzehulp/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/koppelingen/leeroverzicht/](https://www.cartaonline.nl/koppelingen/leeroverzicht/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/learning-management-systeem/](https://www.cartaonline.nl/learning-management-systeem/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/nieuwe-features-in-carta-online/20-jaar-internationale-dag-rsi/](https://www.cartaonline.nl/nieuwe-features-in-carta-online/20-jaar-internationale-dag-rsi/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/nieuws/chatgpt-voor-opleiders/](https://www.cartaonline.nl/nieuws/chatgpt-voor-opleiders/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/ondersteuning/](https://www.cartaonline.nl/ondersteuning/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/onderwijs-en-ict/een-leven-lang-leren/](https://www.cartaonline.nl/onderwijs-en-ict/een-leven-lang-leren/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/ontwikkelingen-in-het-onderwijs/stap-budget-geautomatiseerd-in-carta-online/](https://www.cartaonline.nl/ontwikkelingen-in-het-onderwijs/stap-budget-geautomatiseerd-in-carta-online/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/onze-service/](https://www.cartaonline.nl/onze-service/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/opleidingsadministratie/](https://www.cartaonline.nl/opleidingsadministratie/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/opleidingssoftware/](https://www.cartaonline.nl/opleidingssoftware/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/organisatie-van-evenementen/](https://www.cartaonline.nl/organisatie-van-evenementen/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/projecten/](https://www.cartaonline.nl/projecten/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/projecten/project-11/](https://www.cartaonline.nl/projecten/project-11/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/quick-support/](https://www.cartaonline.nl/quick-support/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/releasenotes/](https://www.cartaonline.nl/releasenotes/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/start-test/](https://www.cartaonline.nl/start-test/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/vacatures/](https://www.cartaonline.nl/vacatures/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/vacatures/vacature-projectmanager/](https://www.cartaonline.nl/vacatures/vacature-projectmanager/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/vergelijk/](https://www.cartaonline.nl/vergelijk/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/vergelijk/op-maat/](https://www.cartaonline.nl/vergelijk/op-maat/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/vraag-en-antwoord/een-creditnota-aanmaken/](https://www.cartaonline.nl/vraag-en-antwoord/een-creditnota-aanmaken/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private
- [https://www.cartaonline.nl/wij-zijn-carta-online/](https://www.cartaonline.nl/wij-zijn-carta-online/) — Cache-Control: no-cache, must-revalidate, max-age=0, no-store, private

#### Low text-to-HTML ratio

- Rule: `content.low_ratio` · Category: Content · Occurrences: 4

- [https://www.cartaonline.nl/algemene-voorwaarden/](https://www.cartaonline.nl/algemene-voorwaarden/) — 4.7%
- [https://www.cartaonline.nl/projecten/project-11/](https://www.cartaonline.nl/projecten/project-11/) — 4.9%
- [https://www.cartaonline.nl/quick-support/](https://www.cartaonline.nl/quick-support/) — 5.0%
- [https://www.cartaonline.nl/vacatures/](https://www.cartaonline.nl/vacatures/) — 4.4%

#### Multiple <h1> elements

- Rule: `h1.multiple` · Category: Headings · Occurrences: 2

- [https://www.cartaonline.nl/projecten/project-11/](https://www.cartaonline.nl/projecten/project-11/) — 2 <h1> elements
- [https://www.cartaonline.nl/quick-support/](https://www.cartaonline.nl/quick-support/) — 2 <h1> elements

#### Likely hero image lacks fetchpriority=high

- Rule: `images.hero_no_fetchpriority` · Category: Performance · Occurrences: 46

- [https://www.cartaonline.nl/](https://www.cartaonline.nl/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/algemene-voorwaarden/](https://www.cartaonline.nl/algemene-voorwaarden/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/bedankt/](https://www.cartaonline.nl/bedankt/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/blended-learning/](https://www.cartaonline.nl/blended-learning/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/blog/](https://www.cartaonline.nl/blog/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/carta-online-gebruikers/wendy-bosboom-van-stichting-ooi-carta-online-biedt-veel-mogelijkheden/](https://www.cartaonline.nl/carta-online-gebruikers/wendy-bosboom-van-stichting-ooi-carta-online-biedt-veel-mogelijkheden/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/categorie/carta-online-gebruikers/](https://www.cartaonline.nl/categorie/carta-online-gebruikers/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/cloudoplossing/](https://www.cartaonline.nl/cloudoplossing/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/congresregistratie/](https://www.cartaonline.nl/congresregistratie/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/contact/](https://www.cartaonline.nl/contact/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/cursistenadministratie-online/](https://www.cartaonline.nl/cursistenadministratie-online/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/cursistenadministratie-software/](https://www.cartaonline.nl/cursistenadministratie-software/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/cursus-administratie-software/](https://www.cartaonline.nl/cursus-administratie-software/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/cursusadministratie-demo/](https://www.cartaonline.nl/cursusadministratie-demo/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/cursusadministratie-voor-opleiders/](https://www.cartaonline.nl/cursusadministratie-voor-opleiders/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/cursusadministratie/](https://www.cartaonline.nl/cursusadministratie/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/cursusadministratie/koppelingen/](https://www.cartaonline.nl/cursusadministratie/koppelingen/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/cursusplanning-en-roostering/](https://www.cartaonline.nl/cursusplanning-en-roostering/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/cursussen/](https://www.cartaonline.nl/cursussen/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/de-juiste-gegevens-op-leeroverzicht-met-carta/](https://www.cartaonline.nl/de-juiste-gegevens-op-leeroverzicht-met-carta/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/demo-aanvragen/](https://www.cartaonline.nl/demo-aanvragen/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/gebruiksvriendelijke-opleidingssoftware/](https://www.cartaonline.nl/gebruiksvriendelijke-opleidingssoftware/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/help-ik-weet-niet-wat-ik-moet-kiezen/](https://www.cartaonline.nl/help-ik-weet-niet-wat-ik-moet-kiezen/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/keuzehulp/](https://www.cartaonline.nl/keuzehulp/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/koppelingen/leeroverzicht/](https://www.cartaonline.nl/koppelingen/leeroverzicht/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/learning-management-systeem/](https://www.cartaonline.nl/learning-management-systeem/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/nieuwe-features-in-carta-online/20-jaar-internationale-dag-rsi/](https://www.cartaonline.nl/nieuwe-features-in-carta-online/20-jaar-internationale-dag-rsi/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/nieuws/chatgpt-voor-opleiders/](https://www.cartaonline.nl/nieuws/chatgpt-voor-opleiders/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/ondersteuning/](https://www.cartaonline.nl/ondersteuning/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/onderwijs-en-ict/een-leven-lang-leren/](https://www.cartaonline.nl/onderwijs-en-ict/een-leven-lang-leren/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/ontwikkelingen-in-het-onderwijs/stap-budget-geautomatiseerd-in-carta-online/](https://www.cartaonline.nl/ontwikkelingen-in-het-onderwijs/stap-budget-geautomatiseerd-in-carta-online/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/onze-service/](https://www.cartaonline.nl/onze-service/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/opleidingsadministratie/](https://www.cartaonline.nl/opleidingsadministratie/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/opleidingssoftware/](https://www.cartaonline.nl/opleidingssoftware/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/organisatie-van-evenementen/](https://www.cartaonline.nl/organisatie-van-evenementen/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/projecten/](https://www.cartaonline.nl/projecten/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/projecten/project-11/](https://www.cartaonline.nl/projecten/project-11/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/quick-support/](https://www.cartaonline.nl/quick-support/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/releasenotes/](https://www.cartaonline.nl/releasenotes/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/start-test/](https://www.cartaonline.nl/start-test/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/vacatures/](https://www.cartaonline.nl/vacatures/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/vacatures/vacature-projectmanager/](https://www.cartaonline.nl/vacatures/vacature-projectmanager/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/vergelijk/](https://www.cartaonline.nl/vergelijk/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/vergelijk/op-maat/](https://www.cartaonline.nl/vergelijk/op-maat/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/vraag-en-antwoord/een-creditnota-aanmaken/](https://www.cartaonline.nl/vraag-en-antwoord/een-creditnota-aanmaken/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.cartaonline.nl/wij-zijn-carta-online/](https://www.cartaonline.nl/wij-zijn-carta-online/) — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.

#### Images without width/height (layout shift / CLS)

- Rule: `images.missing_dimensions` · Category: Images · Occurrences: 46

- [https://www.cartaonline.nl/](https://www.cartaonline.nl/) — 5 of 16 images without width/height
- [https://www.cartaonline.nl/algemene-voorwaarden/](https://www.cartaonline.nl/algemene-voorwaarden/) — 2 of 2 images without width/height
- [https://www.cartaonline.nl/bedankt/](https://www.cartaonline.nl/bedankt/) — 5 of 5 images without width/height
- [https://www.cartaonline.nl/blended-learning/](https://www.cartaonline.nl/blended-learning/) — 2 of 3 images without width/height
- [https://www.cartaonline.nl/blog/](https://www.cartaonline.nl/blog/) — 2 of 11 images without width/height
- [https://www.cartaonline.nl/carta-online-gebruikers/wendy-bosboom-van-stichting-ooi-carta-online-biedt-veel-mogelijkheden/](https://www.cartaonline.nl/carta-online-gebruikers/wendy-bosboom-van-stichting-ooi-carta-online-biedt-veel-mogelijkheden/) — 2 of 5 images without width/height
- [https://www.cartaonline.nl/categorie/carta-online-gebruikers/](https://www.cartaonline.nl/categorie/carta-online-gebruikers/) — 2 of 11 images without width/height
- [https://www.cartaonline.nl/cloudoplossing/](https://www.cartaonline.nl/cloudoplossing/) — 2 of 3 images without width/height
- [https://www.cartaonline.nl/congresregistratie/](https://www.cartaonline.nl/congresregistratie/) — 2 of 3 images without width/height
- [https://www.cartaonline.nl/contact/](https://www.cartaonline.nl/contact/) — 6 of 7 images without width/height
- [https://www.cartaonline.nl/cursistenadministratie-online/](https://www.cartaonline.nl/cursistenadministratie-online/) — 2 of 3 images without width/height
- [https://www.cartaonline.nl/cursistenadministratie-software/](https://www.cartaonline.nl/cursistenadministratie-software/) — 2 of 3 images without width/height
- [https://www.cartaonline.nl/cursus-administratie-software/](https://www.cartaonline.nl/cursus-administratie-software/) — 2 of 3 images without width/height
- [https://www.cartaonline.nl/cursusadministratie-demo/](https://www.cartaonline.nl/cursusadministratie-demo/) — 8 of 29 images without width/height
- [https://www.cartaonline.nl/cursusadministratie-voor-opleiders/](https://www.cartaonline.nl/cursusadministratie-voor-opleiders/) — 2 of 7 images without width/height
- [https://www.cartaonline.nl/cursusadministratie/](https://www.cartaonline.nl/cursusadministratie/) — 8 of 28 images without width/height
- [https://www.cartaonline.nl/cursusadministratie/koppelingen/](https://www.cartaonline.nl/cursusadministratie/koppelingen/) — 2 of 4 images without width/height
- [https://www.cartaonline.nl/cursusplanning-en-roostering/](https://www.cartaonline.nl/cursusplanning-en-roostering/) — 2 of 3 images without width/height
- [https://www.cartaonline.nl/cursussen/](https://www.cartaonline.nl/cursussen/) — 2 of 2 images without width/height
- [https://www.cartaonline.nl/de-juiste-gegevens-op-leeroverzicht-met-carta/](https://www.cartaonline.nl/de-juiste-gegevens-op-leeroverzicht-met-carta/) — 2 of 9 images without width/height
- [https://www.cartaonline.nl/demo-aanvragen/](https://www.cartaonline.nl/demo-aanvragen/) — 5 of 14 images without width/height
- [https://www.cartaonline.nl/gebruiksvriendelijke-opleidingssoftware/](https://www.cartaonline.nl/gebruiksvriendelijke-opleidingssoftware/) — 2 of 3 images without width/height
- [https://www.cartaonline.nl/help-ik-weet-niet-wat-ik-moet-kiezen/](https://www.cartaonline.nl/help-ik-weet-niet-wat-ik-moet-kiezen/) — 2 of 3 images without width/height
- [https://www.cartaonline.nl/keuzehulp/](https://www.cartaonline.nl/keuzehulp/) — 2 of 2 images without width/height
- [https://www.cartaonline.nl/koppelingen/leeroverzicht/](https://www.cartaonline.nl/koppelingen/leeroverzicht/) — 2 of 4 images without width/height
- [https://www.cartaonline.nl/learning-management-systeem/](https://www.cartaonline.nl/learning-management-systeem/) — 2 of 3 images without width/height
- [https://www.cartaonline.nl/nieuwe-features-in-carta-online/20-jaar-internationale-dag-rsi/](https://www.cartaonline.nl/nieuwe-features-in-carta-online/20-jaar-internationale-dag-rsi/) — 2 of 2 images without width/height
- [https://www.cartaonline.nl/nieuws/chatgpt-voor-opleiders/](https://www.cartaonline.nl/nieuws/chatgpt-voor-opleiders/) — 2 of 19 images without width/height
- [https://www.cartaonline.nl/ondersteuning/](https://www.cartaonline.nl/ondersteuning/) — 2 of 3 images without width/height
- [https://www.cartaonline.nl/onderwijs-en-ict/een-leven-lang-leren/](https://www.cartaonline.nl/onderwijs-en-ict/een-leven-lang-leren/) — 2 of 2 images without width/height
- [https://www.cartaonline.nl/ontwikkelingen-in-het-onderwijs/stap-budget-geautomatiseerd-in-carta-online/](https://www.cartaonline.nl/ontwikkelingen-in-het-onderwijs/stap-budget-geautomatiseerd-in-carta-online/) — 2 of 4 images without width/height
- [https://www.cartaonline.nl/onze-service/](https://www.cartaonline.nl/onze-service/) — 2 of 4 images without width/height
- [https://www.cartaonline.nl/opleidingsadministratie/](https://www.cartaonline.nl/opleidingsadministratie/) — 2 of 3 images without width/height
- [https://www.cartaonline.nl/opleidingssoftware/](https://www.cartaonline.nl/opleidingssoftware/) — 2 of 3 images without width/height
- [https://www.cartaonline.nl/organisatie-van-evenementen/](https://www.cartaonline.nl/organisatie-van-evenementen/) — 2 of 3 images without width/height
- [https://www.cartaonline.nl/projecten/](https://www.cartaonline.nl/projecten/) — 2 of 2 images without width/height
- [https://www.cartaonline.nl/projecten/project-11/](https://www.cartaonline.nl/projecten/project-11/) — 3 of 3 images without width/height
- [https://www.cartaonline.nl/quick-support/](https://www.cartaonline.nl/quick-support/) — 2 of 2 images without width/height
- [https://www.cartaonline.nl/releasenotes/](https://www.cartaonline.nl/releasenotes/) — 2 of 2 images without width/height
- [https://www.cartaonline.nl/start-test/](https://www.cartaonline.nl/start-test/) — 8 of 8 images without width/height
- [https://www.cartaonline.nl/vacatures/](https://www.cartaonline.nl/vacatures/) — 2 of 2 images without width/height
- [https://www.cartaonline.nl/vacatures/vacature-projectmanager/](https://www.cartaonline.nl/vacatures/vacature-projectmanager/) — 2 of 3 images without width/height
- [https://www.cartaonline.nl/vergelijk/](https://www.cartaonline.nl/vergelijk/) — 2 of 2 images without width/height
- [https://www.cartaonline.nl/vergelijk/op-maat/](https://www.cartaonline.nl/vergelijk/op-maat/) — 12 of 13 images without width/height
- [https://www.cartaonline.nl/vraag-en-antwoord/een-creditnota-aanmaken/](https://www.cartaonline.nl/vraag-en-antwoord/een-creditnota-aanmaken/) — 2 of 4 images without width/height
- [https://www.cartaonline.nl/wij-zijn-carta-online/](https://www.cartaonline.nl/wij-zijn-carta-online/) — 2 of 6 images without width/height

#### Internal link has no anchor text / accessible name

- Rule: `links.no_anchor_text` · Category: Links · Occurrences: 46

- [https://www.cartaonline.nl/](https://www.cartaonline.nl/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/algemene-voorwaarden/](https://www.cartaonline.nl/algemene-voorwaarden/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/bedankt/](https://www.cartaonline.nl/bedankt/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/blended-learning/](https://www.cartaonline.nl/blended-learning/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/blog/](https://www.cartaonline.nl/blog/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/carta-online-gebruikers/wendy-bosboom-van-stichting-ooi-carta-online-biedt-veel-mogelijkheden/](https://www.cartaonline.nl/carta-online-gebruikers/wendy-bosboom-van-stichting-ooi-carta-online-biedt-veel-mogelijkheden/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/categorie/carta-online-gebruikers/](https://www.cartaonline.nl/categorie/carta-online-gebruikers/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/cloudoplossing/](https://www.cartaonline.nl/cloudoplossing/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/congresregistratie/](https://www.cartaonline.nl/congresregistratie/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/contact/](https://www.cartaonline.nl/contact/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/cursistenadministratie-online/](https://www.cartaonline.nl/cursistenadministratie-online/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/cursistenadministratie-software/](https://www.cartaonline.nl/cursistenadministratie-software/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/cursus-administratie-software/](https://www.cartaonline.nl/cursus-administratie-software/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/cursusadministratie-demo/](https://www.cartaonline.nl/cursusadministratie-demo/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/cursusadministratie-voor-opleiders/](https://www.cartaonline.nl/cursusadministratie-voor-opleiders/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/cursusadministratie/](https://www.cartaonline.nl/cursusadministratie/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/cursusadministratie/koppelingen/](https://www.cartaonline.nl/cursusadministratie/koppelingen/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/cursusplanning-en-roostering/](https://www.cartaonline.nl/cursusplanning-en-roostering/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/cursussen/](https://www.cartaonline.nl/cursussen/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/de-juiste-gegevens-op-leeroverzicht-met-carta/](https://www.cartaonline.nl/de-juiste-gegevens-op-leeroverzicht-met-carta/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/demo-aanvragen/](https://www.cartaonline.nl/demo-aanvragen/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/gebruiksvriendelijke-opleidingssoftware/](https://www.cartaonline.nl/gebruiksvriendelijke-opleidingssoftware/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/help-ik-weet-niet-wat-ik-moet-kiezen/](https://www.cartaonline.nl/help-ik-weet-niet-wat-ik-moet-kiezen/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/keuzehulp/](https://www.cartaonline.nl/keuzehulp/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/koppelingen/leeroverzicht/](https://www.cartaonline.nl/koppelingen/leeroverzicht/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/learning-management-systeem/](https://www.cartaonline.nl/learning-management-systeem/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/nieuwe-features-in-carta-online/20-jaar-internationale-dag-rsi/](https://www.cartaonline.nl/nieuwe-features-in-carta-online/20-jaar-internationale-dag-rsi/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/nieuws/chatgpt-voor-opleiders/](https://www.cartaonline.nl/nieuws/chatgpt-voor-opleiders/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/ondersteuning/](https://www.cartaonline.nl/ondersteuning/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/onderwijs-en-ict/een-leven-lang-leren/](https://www.cartaonline.nl/onderwijs-en-ict/een-leven-lang-leren/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/ontwikkelingen-in-het-onderwijs/stap-budget-geautomatiseerd-in-carta-online/](https://www.cartaonline.nl/ontwikkelingen-in-het-onderwijs/stap-budget-geautomatiseerd-in-carta-online/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/onze-service/](https://www.cartaonline.nl/onze-service/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/opleidingsadministratie/](https://www.cartaonline.nl/opleidingsadministratie/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/opleidingssoftware/](https://www.cartaonline.nl/opleidingssoftware/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/organisatie-van-evenementen/](https://www.cartaonline.nl/organisatie-van-evenementen/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/projecten/](https://www.cartaonline.nl/projecten/) — 10 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/projecten/project-11/](https://www.cartaonline.nl/projecten/project-11/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/quick-support/](https://www.cartaonline.nl/quick-support/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/releasenotes/](https://www.cartaonline.nl/releasenotes/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/start-test/](https://www.cartaonline.nl/start-test/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/vacatures/](https://www.cartaonline.nl/vacatures/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/vacatures/vacature-projectmanager/](https://www.cartaonline.nl/vacatures/vacature-projectmanager/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/vergelijk/](https://www.cartaonline.nl/vergelijk/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/vergelijk/op-maat/](https://www.cartaonline.nl/vergelijk/op-maat/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/vraag-en-antwoord/een-creditnota-aanmaken/](https://www.cartaonline.nl/vraag-en-antwoord/een-creditnota-aanmaken/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.cartaonline.nl/wij-zijn-carta-online/](https://www.cartaonline.nl/wij-zijn-carta-online/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.

#### Meta description too long

- Rule: `meta_desc.too_long` · Category: Meta Description · Occurrences: 1

- [https://www.cartaonline.nl/cursusplanning-en-roostering/](https://www.cartaonline.nl/cursusplanning-en-roostering/) — 173 chars

#### Meta description too short

- Rule: `meta_desc.too_short` · Category: Meta Description · Occurrences: 4

- [https://www.cartaonline.nl/projecten/](https://www.cartaonline.nl/projecten/) — 32 chars
- [https://www.cartaonline.nl/releasenotes/](https://www.cartaonline.nl/releasenotes/) — 4 chars
- [https://www.cartaonline.nl/vacatures/vacature-projectmanager/](https://www.cartaonline.nl/vacatures/vacature-projectmanager/) — 37 chars
- [https://www.cartaonline.nl/vergelijk/](https://www.cartaonline.nl/vergelijk/) — 45 chars

#### Missing Open Graph tags

- Rule: `og.missing` · Category: Social · Occurrences: 36

- [https://www.cartaonline.nl/](https://www.cartaonline.nl/) — og:image
- [https://www.cartaonline.nl/algemene-voorwaarden/](https://www.cartaonline.nl/algemene-voorwaarden/) — og:image
- [https://www.cartaonline.nl/bedankt/](https://www.cartaonline.nl/bedankt/) — og:description, og:image
- [https://www.cartaonline.nl/blended-learning/](https://www.cartaonline.nl/blended-learning/) — og:image
- [https://www.cartaonline.nl/blog/](https://www.cartaonline.nl/blog/) — og:description, og:image
- [https://www.cartaonline.nl/categorie/carta-online-gebruikers/](https://www.cartaonline.nl/categorie/carta-online-gebruikers/) — og:description, og:image
- [https://www.cartaonline.nl/cloudoplossing/](https://www.cartaonline.nl/cloudoplossing/) — og:image
- [https://www.cartaonline.nl/congresregistratie/](https://www.cartaonline.nl/congresregistratie/) — og:image
- [https://www.cartaonline.nl/cursistenadministratie-online/](https://www.cartaonline.nl/cursistenadministratie-online/) — og:image
- [https://www.cartaonline.nl/cursistenadministratie-software/](https://www.cartaonline.nl/cursistenadministratie-software/) — og:image
- [https://www.cartaonline.nl/cursus-administratie-software/](https://www.cartaonline.nl/cursus-administratie-software/) — og:image
- [https://www.cartaonline.nl/cursusadministratie-demo/](https://www.cartaonline.nl/cursusadministratie-demo/) — og:image
- [https://www.cartaonline.nl/cursusadministratie-voor-opleiders/](https://www.cartaonline.nl/cursusadministratie-voor-opleiders/) — og:image
- [https://www.cartaonline.nl/cursusadministratie/](https://www.cartaonline.nl/cursusadministratie/) — og:image
- [https://www.cartaonline.nl/cursusadministratie/koppelingen/](https://www.cartaonline.nl/cursusadministratie/koppelingen/) — og:image
- [https://www.cartaonline.nl/cursusplanning-en-roostering/](https://www.cartaonline.nl/cursusplanning-en-roostering/) — og:image
- [https://www.cartaonline.nl/cursussen/](https://www.cartaonline.nl/cursussen/) — og:image
- [https://www.cartaonline.nl/de-juiste-gegevens-op-leeroverzicht-met-carta/](https://www.cartaonline.nl/de-juiste-gegevens-op-leeroverzicht-met-carta/) — og:image
- [https://www.cartaonline.nl/gebruiksvriendelijke-opleidingssoftware/](https://www.cartaonline.nl/gebruiksvriendelijke-opleidingssoftware/) — og:image
- [https://www.cartaonline.nl/help-ik-weet-niet-wat-ik-moet-kiezen/](https://www.cartaonline.nl/help-ik-weet-niet-wat-ik-moet-kiezen/) — og:image
- [https://www.cartaonline.nl/keuzehulp/](https://www.cartaonline.nl/keuzehulp/) — og:image
- [https://www.cartaonline.nl/learning-management-systeem/](https://www.cartaonline.nl/learning-management-systeem/) — og:image
- [https://www.cartaonline.nl/ondersteuning/](https://www.cartaonline.nl/ondersteuning/) — og:image
- [https://www.cartaonline.nl/onze-service/](https://www.cartaonline.nl/onze-service/) — og:image
- [https://www.cartaonline.nl/opleidingsadministratie/](https://www.cartaonline.nl/opleidingsadministratie/) — og:image
- [https://www.cartaonline.nl/opleidingssoftware/](https://www.cartaonline.nl/opleidingssoftware/) — og:image
- [https://www.cartaonline.nl/organisatie-van-evenementen/](https://www.cartaonline.nl/organisatie-van-evenementen/) — og:image
- [https://www.cartaonline.nl/projecten/](https://www.cartaonline.nl/projecten/) — og:image
- [https://www.cartaonline.nl/projecten/project-11/](https://www.cartaonline.nl/projecten/project-11/) — og:description, og:image
- [https://www.cartaonline.nl/quick-support/](https://www.cartaonline.nl/quick-support/) — og:image
- [https://www.cartaonline.nl/releasenotes/](https://www.cartaonline.nl/releasenotes/) — og:image
- [https://www.cartaonline.nl/vacatures/](https://www.cartaonline.nl/vacatures/) — og:image
- [https://www.cartaonline.nl/vacatures/vacature-projectmanager/](https://www.cartaonline.nl/vacatures/vacature-projectmanager/) — og:image
- [https://www.cartaonline.nl/vergelijk/](https://www.cartaonline.nl/vergelijk/) — og:image
- [https://www.cartaonline.nl/vergelijk/op-maat/](https://www.cartaonline.nl/vergelijk/op-maat/) — og:image
- [https://www.cartaonline.nl/wij-zijn-carta-online/](https://www.cartaonline.nl/wij-zijn-carta-online/) — og:image

#### Large DOM (over 1500 elements) slows rendering & interaction

- Rule: `perf.dom_size_large` · Category: Performance · Occurrences: 1

- [https://www.cartaonline.nl/releasenotes/](https://www.cartaonline.nl/releasenotes/) — the page has 10582 DOM elements (recommended maximum is around 1500) — a large DOM increases style-recalculation, layout and paint cost, hurting LCP and INP. Flatten deep nesting, paginate long lists/tables, and lazy-render off-screen elements.

#### Legacy image format (jpg/png/gif) with no next-gen fallback

- Rule: `perf.images_legacy_format` · Category: Performance · Occurrences: 8

- [https://www.cartaonline.nl/](https://www.cartaonline.nl/) — 13 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://www.cartaonline.nl/bedankt/](https://www.cartaonline.nl/bedankt/) — 2 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://www.cartaonline.nl/categorie/carta-online-gebruikers/](https://www.cartaonline.nl/categorie/carta-online-gebruikers/) — 2 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://www.cartaonline.nl/cursusadministratie-demo/](https://www.cartaonline.nl/cursusadministratie-demo/) — 13 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://www.cartaonline.nl/cursusadministratie-voor-opleiders/](https://www.cartaonline.nl/cursusadministratie-voor-opleiders/) — 1 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://www.cartaonline.nl/cursusadministratie/](https://www.cartaonline.nl/cursusadministratie/) — 3 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://www.cartaonline.nl/demo-aanvragen/](https://www.cartaonline.nl/demo-aanvragen/) — 11 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://www.cartaonline.nl/wij-zijn-carta-online/](https://www.cartaonline.nl/wij-zijn-carta-online/) — 1 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.

#### No ETag header (no conditional GET for unchanged pages)

- Rule: `perf.no_etag` · Category: Performance · Occurrences: 46

- [https://www.cartaonline.nl/](https://www.cartaonline.nl/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/algemene-voorwaarden/](https://www.cartaonline.nl/algemene-voorwaarden/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/bedankt/](https://www.cartaonline.nl/bedankt/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/blended-learning/](https://www.cartaonline.nl/blended-learning/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/blog/](https://www.cartaonline.nl/blog/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/carta-online-gebruikers/wendy-bosboom-van-stichting-ooi-carta-online-biedt-veel-mogelijkheden/](https://www.cartaonline.nl/carta-online-gebruikers/wendy-bosboom-van-stichting-ooi-carta-online-biedt-veel-mogelijkheden/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/categorie/carta-online-gebruikers/](https://www.cartaonline.nl/categorie/carta-online-gebruikers/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/cloudoplossing/](https://www.cartaonline.nl/cloudoplossing/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/congresregistratie/](https://www.cartaonline.nl/congresregistratie/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/contact/](https://www.cartaonline.nl/contact/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/cursistenadministratie-online/](https://www.cartaonline.nl/cursistenadministratie-online/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/cursistenadministratie-software/](https://www.cartaonline.nl/cursistenadministratie-software/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/cursus-administratie-software/](https://www.cartaonline.nl/cursus-administratie-software/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/cursusadministratie-demo/](https://www.cartaonline.nl/cursusadministratie-demo/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/cursusadministratie-voor-opleiders/](https://www.cartaonline.nl/cursusadministratie-voor-opleiders/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/cursusadministratie/](https://www.cartaonline.nl/cursusadministratie/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/cursusadministratie/koppelingen/](https://www.cartaonline.nl/cursusadministratie/koppelingen/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/cursusplanning-en-roostering/](https://www.cartaonline.nl/cursusplanning-en-roostering/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/cursussen/](https://www.cartaonline.nl/cursussen/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/de-juiste-gegevens-op-leeroverzicht-met-carta/](https://www.cartaonline.nl/de-juiste-gegevens-op-leeroverzicht-met-carta/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/demo-aanvragen/](https://www.cartaonline.nl/demo-aanvragen/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/gebruiksvriendelijke-opleidingssoftware/](https://www.cartaonline.nl/gebruiksvriendelijke-opleidingssoftware/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/help-ik-weet-niet-wat-ik-moet-kiezen/](https://www.cartaonline.nl/help-ik-weet-niet-wat-ik-moet-kiezen/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/keuzehulp/](https://www.cartaonline.nl/keuzehulp/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/koppelingen/leeroverzicht/](https://www.cartaonline.nl/koppelingen/leeroverzicht/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/learning-management-systeem/](https://www.cartaonline.nl/learning-management-systeem/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/nieuwe-features-in-carta-online/20-jaar-internationale-dag-rsi/](https://www.cartaonline.nl/nieuwe-features-in-carta-online/20-jaar-internationale-dag-rsi/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/nieuws/chatgpt-voor-opleiders/](https://www.cartaonline.nl/nieuws/chatgpt-voor-opleiders/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/ondersteuning/](https://www.cartaonline.nl/ondersteuning/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/onderwijs-en-ict/een-leven-lang-leren/](https://www.cartaonline.nl/onderwijs-en-ict/een-leven-lang-leren/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/ontwikkelingen-in-het-onderwijs/stap-budget-geautomatiseerd-in-carta-online/](https://www.cartaonline.nl/ontwikkelingen-in-het-onderwijs/stap-budget-geautomatiseerd-in-carta-online/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/onze-service/](https://www.cartaonline.nl/onze-service/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/opleidingsadministratie/](https://www.cartaonline.nl/opleidingsadministratie/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/opleidingssoftware/](https://www.cartaonline.nl/opleidingssoftware/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/organisatie-van-evenementen/](https://www.cartaonline.nl/organisatie-van-evenementen/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/projecten/](https://www.cartaonline.nl/projecten/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/projecten/project-11/](https://www.cartaonline.nl/projecten/project-11/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/quick-support/](https://www.cartaonline.nl/quick-support/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/releasenotes/](https://www.cartaonline.nl/releasenotes/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/start-test/](https://www.cartaonline.nl/start-test/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/vacatures/](https://www.cartaonline.nl/vacatures/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/vacatures/vacature-projectmanager/](https://www.cartaonline.nl/vacatures/vacature-projectmanager/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/vergelijk/](https://www.cartaonline.nl/vergelijk/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/vergelijk/op-maat/](https://www.cartaonline.nl/vergelijk/op-maat/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/vraag-en-antwoord/een-creditnota-aanmaken/](https://www.cartaonline.nl/vraag-en-antwoord/een-creditnota-aanmaken/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.cartaonline.nl/wij-zijn-carta-online/](https://www.cartaonline.nl/wij-zijn-carta-online/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.

#### No Last-Modified header (no conditional GET for unchanged pages)

- Rule: `perf.no_last_modified` · Category: Performance · Occurrences: 46

- [https://www.cartaonline.nl/](https://www.cartaonline.nl/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/algemene-voorwaarden/](https://www.cartaonline.nl/algemene-voorwaarden/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/bedankt/](https://www.cartaonline.nl/bedankt/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/blended-learning/](https://www.cartaonline.nl/blended-learning/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/blog/](https://www.cartaonline.nl/blog/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/carta-online-gebruikers/wendy-bosboom-van-stichting-ooi-carta-online-biedt-veel-mogelijkheden/](https://www.cartaonline.nl/carta-online-gebruikers/wendy-bosboom-van-stichting-ooi-carta-online-biedt-veel-mogelijkheden/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/categorie/carta-online-gebruikers/](https://www.cartaonline.nl/categorie/carta-online-gebruikers/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/cloudoplossing/](https://www.cartaonline.nl/cloudoplossing/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/congresregistratie/](https://www.cartaonline.nl/congresregistratie/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/contact/](https://www.cartaonline.nl/contact/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/cursistenadministratie-online/](https://www.cartaonline.nl/cursistenadministratie-online/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/cursistenadministratie-software/](https://www.cartaonline.nl/cursistenadministratie-software/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/cursus-administratie-software/](https://www.cartaonline.nl/cursus-administratie-software/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/cursusadministratie-demo/](https://www.cartaonline.nl/cursusadministratie-demo/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/cursusadministratie-voor-opleiders/](https://www.cartaonline.nl/cursusadministratie-voor-opleiders/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/cursusadministratie/](https://www.cartaonline.nl/cursusadministratie/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/cursusadministratie/koppelingen/](https://www.cartaonline.nl/cursusadministratie/koppelingen/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/cursusplanning-en-roostering/](https://www.cartaonline.nl/cursusplanning-en-roostering/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/cursussen/](https://www.cartaonline.nl/cursussen/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/de-juiste-gegevens-op-leeroverzicht-met-carta/](https://www.cartaonline.nl/de-juiste-gegevens-op-leeroverzicht-met-carta/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/demo-aanvragen/](https://www.cartaonline.nl/demo-aanvragen/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/gebruiksvriendelijke-opleidingssoftware/](https://www.cartaonline.nl/gebruiksvriendelijke-opleidingssoftware/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/help-ik-weet-niet-wat-ik-moet-kiezen/](https://www.cartaonline.nl/help-ik-weet-niet-wat-ik-moet-kiezen/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/keuzehulp/](https://www.cartaonline.nl/keuzehulp/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/koppelingen/leeroverzicht/](https://www.cartaonline.nl/koppelingen/leeroverzicht/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/learning-management-systeem/](https://www.cartaonline.nl/learning-management-systeem/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/nieuwe-features-in-carta-online/20-jaar-internationale-dag-rsi/](https://www.cartaonline.nl/nieuwe-features-in-carta-online/20-jaar-internationale-dag-rsi/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/nieuws/chatgpt-voor-opleiders/](https://www.cartaonline.nl/nieuws/chatgpt-voor-opleiders/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/ondersteuning/](https://www.cartaonline.nl/ondersteuning/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/onderwijs-en-ict/een-leven-lang-leren/](https://www.cartaonline.nl/onderwijs-en-ict/een-leven-lang-leren/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/ontwikkelingen-in-het-onderwijs/stap-budget-geautomatiseerd-in-carta-online/](https://www.cartaonline.nl/ontwikkelingen-in-het-onderwijs/stap-budget-geautomatiseerd-in-carta-online/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/onze-service/](https://www.cartaonline.nl/onze-service/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/opleidingsadministratie/](https://www.cartaonline.nl/opleidingsadministratie/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/opleidingssoftware/](https://www.cartaonline.nl/opleidingssoftware/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/organisatie-van-evenementen/](https://www.cartaonline.nl/organisatie-van-evenementen/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/projecten/](https://www.cartaonline.nl/projecten/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/projecten/project-11/](https://www.cartaonline.nl/projecten/project-11/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/quick-support/](https://www.cartaonline.nl/quick-support/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/releasenotes/](https://www.cartaonline.nl/releasenotes/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/start-test/](https://www.cartaonline.nl/start-test/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/vacatures/](https://www.cartaonline.nl/vacatures/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/vacatures/vacature-projectmanager/](https://www.cartaonline.nl/vacatures/vacature-projectmanager/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/vergelijk/](https://www.cartaonline.nl/vergelijk/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/vergelijk/op-maat/](https://www.cartaonline.nl/vergelijk/op-maat/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/vraag-en-antwoord/een-creditnota-aanmaken/](https://www.cartaonline.nl/vraag-en-antwoord/een-creditnota-aanmaken/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.cartaonline.nl/wij-zijn-carta-online/](https://www.cartaonline.nl/wij-zijn-carta-online/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.

#### Article schema missing recommended properties (Top Stories / image carousel)

- Rule: `schema.article_incomplete` · Category: Structured Data · Occurrences: 32

- [https://www.cartaonline.nl/](https://www.cartaonline.nl/) — Article structured data is missing recommended property (image) — these feed Top Stories and image-carousel eligibility. Google defines no required Article properties, so this is advisory: add author, headline, image and datePublished where they apply.
- [https://www.cartaonline.nl/algemene-voorwaarden/](https://www.cartaonline.nl/algemene-voorwaarden/) — Article structured data is missing recommended property (image) — these feed Top Stories and image-carousel eligibility. Google defines no required Article properties, so this is advisory: add author, headline, image and datePublished where they apply.
- [https://www.cartaonline.nl/bedankt/](https://www.cartaonline.nl/bedankt/) — Article structured data is missing recommended property (image) — these feed Top Stories and image-carousel eligibility. Google defines no required Article properties, so this is advisory: add author, headline, image and datePublished where they apply.
- [https://www.cartaonline.nl/blended-learning/](https://www.cartaonline.nl/blended-learning/) — Article structured data is missing recommended property (image) — these feed Top Stories and image-carousel eligibility. Google defines no required Article properties, so this is advisory: add author, headline, image and datePublished where they apply.
- [https://www.cartaonline.nl/cloudoplossing/](https://www.cartaonline.nl/cloudoplossing/) — Article structured data is missing recommended property (image) — these feed Top Stories and image-carousel eligibility. Google defines no required Article properties, so this is advisory: add author, headline, image and datePublished where they apply.
- [https://www.cartaonline.nl/congresregistratie/](https://www.cartaonline.nl/congresregistratie/) — Article structured data is missing recommended property (image) — these feed Top Stories and image-carousel eligibility. Google defines no required Article properties, so this is advisory: add author, headline, image and datePublished where they apply.
- [https://www.cartaonline.nl/cursistenadministratie-online/](https://www.cartaonline.nl/cursistenadministratie-online/) — Article structured data is missing recommended property (image) — these feed Top Stories and image-carousel eligibility. Google defines no required Article properties, so this is advisory: add author, headline, image and datePublished where they apply.
- [https://www.cartaonline.nl/cursistenadministratie-software/](https://www.cartaonline.nl/cursistenadministratie-software/) — Article structured data is missing recommended property (image) — these feed Top Stories and image-carousel eligibility. Google defines no required Article properties, so this is advisory: add author, headline, image and datePublished where they apply.
- [https://www.cartaonline.nl/cursus-administratie-software/](https://www.cartaonline.nl/cursus-administratie-software/) — Article structured data is missing recommended property (image) — these feed Top Stories and image-carousel eligibility. Google defines no required Article properties, so this is advisory: add author, headline, image and datePublished where they apply.
- [https://www.cartaonline.nl/cursusadministratie-demo/](https://www.cartaonline.nl/cursusadministratie-demo/) — Article structured data is missing recommended property (image) — these feed Top Stories and image-carousel eligibility. Google defines no required Article properties, so this is advisory: add author, headline, image and datePublished where they apply.
- [https://www.cartaonline.nl/cursusadministratie-voor-opleiders/](https://www.cartaonline.nl/cursusadministratie-voor-opleiders/) — Article structured data is missing recommended property (image) — these feed Top Stories and image-carousel eligibility. Google defines no required Article properties, so this is advisory: add author, headline, image and datePublished where they apply.
- [https://www.cartaonline.nl/cursusadministratie/](https://www.cartaonline.nl/cursusadministratie/) — Article structured data is missing recommended property (image) — these feed Top Stories and image-carousel eligibility. Google defines no required Article properties, so this is advisory: add author, headline, image and datePublished where they apply.
- [https://www.cartaonline.nl/cursusadministratie/koppelingen/](https://www.cartaonline.nl/cursusadministratie/koppelingen/) — Article structured data is missing recommended property (image) — these feed Top Stories and image-carousel eligibility. Google defines no required Article properties, so this is advisory: add author, headline, image and datePublished where they apply.
- [https://www.cartaonline.nl/cursusplanning-en-roostering/](https://www.cartaonline.nl/cursusplanning-en-roostering/) — Article structured data is missing recommended property (image) — these feed Top Stories and image-carousel eligibility. Google defines no required Article properties, so this is advisory: add author, headline, image and datePublished where they apply.
- [https://www.cartaonline.nl/cursussen/](https://www.cartaonline.nl/cursussen/) — Article structured data is missing recommended property (image) — these feed Top Stories and image-carousel eligibility. Google defines no required Article properties, so this is advisory: add author, headline, image and datePublished where they apply.
- [https://www.cartaonline.nl/de-juiste-gegevens-op-leeroverzicht-met-carta/](https://www.cartaonline.nl/de-juiste-gegevens-op-leeroverzicht-met-carta/) — Article structured data is missing recommended property (image) — these feed Top Stories and image-carousel eligibility. Google defines no required Article properties, so this is advisory: add author, headline, image and datePublished where they apply.
- [https://www.cartaonline.nl/gebruiksvriendelijke-opleidingssoftware/](https://www.cartaonline.nl/gebruiksvriendelijke-opleidingssoftware/) — Article structured data is missing recommended property (image) — these feed Top Stories and image-carousel eligibility. Google defines no required Article properties, so this is advisory: add author, headline, image and datePublished where they apply.
- [https://www.cartaonline.nl/help-ik-weet-niet-wat-ik-moet-kiezen/](https://www.cartaonline.nl/help-ik-weet-niet-wat-ik-moet-kiezen/) — Article structured data is missing recommended property (image) — these feed Top Stories and image-carousel eligibility. Google defines no required Article properties, so this is advisory: add author, headline, image and datePublished where they apply.
- [https://www.cartaonline.nl/keuzehulp/](https://www.cartaonline.nl/keuzehulp/) — Article structured data is missing recommended property (image) — these feed Top Stories and image-carousel eligibility. Google defines no required Article properties, so this is advisory: add author, headline, image and datePublished where they apply.
- [https://www.cartaonline.nl/learning-management-systeem/](https://www.cartaonline.nl/learning-management-systeem/) — Article structured data is missing recommended property (image) — these feed Top Stories and image-carousel eligibility. Google defines no required Article properties, so this is advisory: add author, headline, image and datePublished where they apply.
- [https://www.cartaonline.nl/ondersteuning/](https://www.cartaonline.nl/ondersteuning/) — Article structured data is missing recommended property (image) — these feed Top Stories and image-carousel eligibility. Google defines no required Article properties, so this is advisory: add author, headline, image and datePublished where they apply.
- [https://www.cartaonline.nl/onze-service/](https://www.cartaonline.nl/onze-service/) — Article structured data is missing recommended property (image) — these feed Top Stories and image-carousel eligibility. Google defines no required Article properties, so this is advisory: add author, headline, image and datePublished where they apply.
- [https://www.cartaonline.nl/opleidingsadministratie/](https://www.cartaonline.nl/opleidingsadministratie/) — Article structured data is missing recommended property (image) — these feed Top Stories and image-carousel eligibility. Google defines no required Article properties, so this is advisory: add author, headline, image and datePublished where they apply.
- [https://www.cartaonline.nl/opleidingssoftware/](https://www.cartaonline.nl/opleidingssoftware/) — Article structured data is missing recommended property (image) — these feed Top Stories and image-carousel eligibility. Google defines no required Article properties, so this is advisory: add author, headline, image and datePublished where they apply.
- [https://www.cartaonline.nl/organisatie-van-evenementen/](https://www.cartaonline.nl/organisatie-van-evenementen/) — Article structured data is missing recommended property (image) — these feed Top Stories and image-carousel eligibility. Google defines no required Article properties, so this is advisory: add author, headline, image and datePublished where they apply.
- [https://www.cartaonline.nl/quick-support/](https://www.cartaonline.nl/quick-support/) — Article structured data is missing recommended property (image) — these feed Top Stories and image-carousel eligibility. Google defines no required Article properties, so this is advisory: add author, headline, image and datePublished where they apply.
- [https://www.cartaonline.nl/releasenotes/](https://www.cartaonline.nl/releasenotes/) — Article structured data is missing recommended property (image) — these feed Top Stories and image-carousel eligibility. Google defines no required Article properties, so this is advisory: add author, headline, image and datePublished where they apply.
- [https://www.cartaonline.nl/vacatures/](https://www.cartaonline.nl/vacatures/) — Article structured data is missing recommended property (image) — these feed Top Stories and image-carousel eligibility. Google defines no required Article properties, so this is advisory: add author, headline, image and datePublished where they apply.
- [https://www.cartaonline.nl/vacatures/vacature-projectmanager/](https://www.cartaonline.nl/vacatures/vacature-projectmanager/) — Article structured data is missing recommended property (image) — these feed Top Stories and image-carousel eligibility. Google defines no required Article properties, so this is advisory: add author, headline, image and datePublished where they apply.
- [https://www.cartaonline.nl/vergelijk/](https://www.cartaonline.nl/vergelijk/) — Article structured data is missing recommended property (image) — these feed Top Stories and image-carousel eligibility. Google defines no required Article properties, so this is advisory: add author, headline, image and datePublished where they apply.
- [https://www.cartaonline.nl/vergelijk/op-maat/](https://www.cartaonline.nl/vergelijk/op-maat/) — Article structured data is missing recommended property (image) — these feed Top Stories and image-carousel eligibility. Google defines no required Article properties, so this is advisory: add author, headline, image and datePublished where they apply.
- [https://www.cartaonline.nl/wij-zijn-carta-online/](https://www.cartaonline.nl/wij-zijn-carta-online/) — Article structured data is missing recommended property (image) — these feed Top Stories and image-carousel eligibility. Google defines no required Article properties, so this is advisory: add author, headline, image and datePublished where they apply.

#### Deprecated schema type with no Google rich result

- Rule: `schema.deprecated_type` · Category: Structured Data · Occurrences: 1

- [https://www.cartaonline.nl/](https://www.cartaonline.nl/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.

#### Missing recommended security headers

- Rule: `security.missing_headers` · Category: Security · Occurrences: 48

- [https://www.cartaonline.nl/](https://www.cartaonline.nl/) — X-Content-Type-Options, HSTS, CSP
- [https://www.cartaonline.nl/algemene-voorwaarden/](https://www.cartaonline.nl/algemene-voorwaarden/) — HSTS, CSP, X-Content-Type-Options
- [https://www.cartaonline.nl/bedankt/](https://www.cartaonline.nl/bedankt/) — HSTS, CSP, X-Content-Type-Options
- [https://www.cartaonline.nl/blended-learning/](https://www.cartaonline.nl/blended-learning/) — HSTS, CSP, X-Content-Type-Options
- [https://www.cartaonline.nl/blog/](https://www.cartaonline.nl/blog/) — HSTS, CSP, X-Content-Type-Options
- [https://www.cartaonline.nl/carta-online-gebruikers/wendy-bosboom-van-stichting-ooi-carta-online-biedt-veel-mogelijkheden/](https://www.cartaonline.nl/carta-online-gebruikers/wendy-bosboom-van-stichting-ooi-carta-online-biedt-veel-mogelijkheden/) — HSTS, CSP, X-Content-Type-Options
- [https://www.cartaonline.nl/categorie/carta-online-gebruikers/](https://www.cartaonline.nl/categorie/carta-online-gebruikers/) — HSTS, CSP, X-Content-Type-Options
- [https://www.cartaonline.nl/cloudoplossing/](https://www.cartaonline.nl/cloudoplossing/) — HSTS, CSP, X-Content-Type-Options
- [https://www.cartaonline.nl/congresregistratie/](https://www.cartaonline.nl/congresregistratie/) — HSTS, CSP, X-Content-Type-Options
- [https://www.cartaonline.nl/contact/](https://www.cartaonline.nl/contact/) — HSTS, CSP, X-Content-Type-Options
- [https://www.cartaonline.nl/cursistenadministratie-online/](https://www.cartaonline.nl/cursistenadministratie-online/) — HSTS, CSP, X-Content-Type-Options
- [https://www.cartaonline.nl/cursistenadministratie-software/](https://www.cartaonline.nl/cursistenadministratie-software/) — HSTS, CSP, X-Content-Type-Options
- [https://www.cartaonline.nl/cursus-administratie-software/](https://www.cartaonline.nl/cursus-administratie-software/) — HSTS, CSP, X-Content-Type-Options
- [https://www.cartaonline.nl/cursusadministratie-demo/](https://www.cartaonline.nl/cursusadministratie-demo/) — X-Content-Type-Options, HSTS, CSP
- [https://www.cartaonline.nl/cursusadministratie-voor-opleiders/](https://www.cartaonline.nl/cursusadministratie-voor-opleiders/) — HSTS, CSP, X-Content-Type-Options
- [https://www.cartaonline.nl/cursusadministratie/](https://www.cartaonline.nl/cursusadministratie/) — HSTS, CSP, X-Content-Type-Options
- [https://www.cartaonline.nl/cursusadministratie/koppelingen/](https://www.cartaonline.nl/cursusadministratie/koppelingen/) — HSTS, CSP, X-Content-Type-Options
- [https://www.cartaonline.nl/cursusplanning-en-roostering/](https://www.cartaonline.nl/cursusplanning-en-roostering/) — HSTS, CSP, X-Content-Type-Options
- [https://www.cartaonline.nl/cursussen/](https://www.cartaonline.nl/cursussen/) — CSP, X-Content-Type-Options, HSTS
- [https://www.cartaonline.nl/de-juiste-gegevens-op-leeroverzicht-met-carta/](https://www.cartaonline.nl/de-juiste-gegevens-op-leeroverzicht-met-carta/) — X-Content-Type-Options, HSTS, CSP
- [https://www.cartaonline.nl/demo-aanvragen/](https://www.cartaonline.nl/demo-aanvragen/) — HSTS, CSP, X-Content-Type-Options
- [https://www.cartaonline.nl/functies](https://www.cartaonline.nl/functies) — X-Content-Type-Options, HSTS, CSP
- [https://www.cartaonline.nl/gebruiksvriendelijke-opleidingssoftware/](https://www.cartaonline.nl/gebruiksvriendelijke-opleidingssoftware/) — HSTS, CSP, X-Content-Type-Options
- [https://www.cartaonline.nl/help-ik-weet-niet-wat-ik-moet-kiezen/](https://www.cartaonline.nl/help-ik-weet-niet-wat-ik-moet-kiezen/) — HSTS, CSP, X-Content-Type-Options
- [https://www.cartaonline.nl/keuzehulp/](https://www.cartaonline.nl/keuzehulp/) — HSTS, CSP, X-Content-Type-Options
- [https://www.cartaonline.nl/koppelingen/leeroverzicht/](https://www.cartaonline.nl/koppelingen/leeroverzicht/) — HSTS, CSP, X-Content-Type-Options
- [https://www.cartaonline.nl/learning-management-systeem/](https://www.cartaonline.nl/learning-management-systeem/) — HSTS, CSP, X-Content-Type-Options
- [https://www.cartaonline.nl/nieuwe-features-in-carta-online/20-jaar-internationale-dag-rsi/](https://www.cartaonline.nl/nieuwe-features-in-carta-online/20-jaar-internationale-dag-rsi/) — HSTS, CSP, X-Content-Type-Options
- [https://www.cartaonline.nl/nieuws/chatgpt-voor-opleiders/](https://www.cartaonline.nl/nieuws/chatgpt-voor-opleiders/) — HSTS, CSP, X-Content-Type-Options
- [https://www.cartaonline.nl/ondersteuning/](https://www.cartaonline.nl/ondersteuning/) — HSTS, CSP, X-Content-Type-Options
- [https://www.cartaonline.nl/onderwijs-en-ict/een-leven-lang-leren/](https://www.cartaonline.nl/onderwijs-en-ict/een-leven-lang-leren/) — HSTS, CSP, X-Content-Type-Options
- [https://www.cartaonline.nl/ontwikkelingen-in-het-onderwijs/stap-budget-geautomatiseerd-in-carta-online/](https://www.cartaonline.nl/ontwikkelingen-in-het-onderwijs/stap-budget-geautomatiseerd-in-carta-online/) — HSTS, CSP, X-Content-Type-Options
- [https://www.cartaonline.nl/onze-service/](https://www.cartaonline.nl/onze-service/) — HSTS, CSP, X-Content-Type-Options
- [https://www.cartaonline.nl/opleidingsadministratie/](https://www.cartaonline.nl/opleidingsadministratie/) — HSTS, CSP, X-Content-Type-Options
- [https://www.cartaonline.nl/opleidingssoftware/](https://www.cartaonline.nl/opleidingssoftware/) — X-Content-Type-Options, HSTS, CSP
- [https://www.cartaonline.nl/oplossingen/](https://www.cartaonline.nl/oplossingen/) — HSTS, CSP, X-Content-Type-Options
- [https://www.cartaonline.nl/organisatie-van-evenementen/](https://www.cartaonline.nl/organisatie-van-evenementen/) — HSTS, CSP, X-Content-Type-Options
- [https://www.cartaonline.nl/projecten/](https://www.cartaonline.nl/projecten/) — X-Content-Type-Options, HSTS, CSP
- [https://www.cartaonline.nl/projecten/project-11/](https://www.cartaonline.nl/projecten/project-11/) — HSTS, CSP, X-Content-Type-Options
- [https://www.cartaonline.nl/quick-support/](https://www.cartaonline.nl/quick-support/) — HSTS, CSP, X-Content-Type-Options
- [https://www.cartaonline.nl/releasenotes/](https://www.cartaonline.nl/releasenotes/) — HSTS, CSP, X-Content-Type-Options
- [https://www.cartaonline.nl/start-test/](https://www.cartaonline.nl/start-test/) — HSTS, CSP, X-Content-Type-Options
- [https://www.cartaonline.nl/vacatures/](https://www.cartaonline.nl/vacatures/) — HSTS, CSP, X-Content-Type-Options
- [https://www.cartaonline.nl/vacatures/vacature-projectmanager/](https://www.cartaonline.nl/vacatures/vacature-projectmanager/) — HSTS, CSP, X-Content-Type-Options
- [https://www.cartaonline.nl/vergelijk/](https://www.cartaonline.nl/vergelijk/) — HSTS, CSP, X-Content-Type-Options
- [https://www.cartaonline.nl/vergelijk/op-maat/](https://www.cartaonline.nl/vergelijk/op-maat/) — HSTS, CSP, X-Content-Type-Options
- [https://www.cartaonline.nl/vraag-en-antwoord/een-creditnota-aanmaken/](https://www.cartaonline.nl/vraag-en-antwoord/een-creditnota-aanmaken/) — HSTS, CSP, X-Content-Type-Options
- [https://www.cartaonline.nl/wij-zijn-carta-online/](https://www.cartaonline.nl/wij-zijn-carta-online/) — HSTS, CSP, X-Content-Type-Options

#### target=_blank link without rel=noopener (tab-napping)

- Rule: `security.unsafe_cross_origin_links` · Category: Security · Occurrences: 46

- [https://www.cartaonline.nl/](https://www.cartaonline.nl/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/algemene-voorwaarden/](https://www.cartaonline.nl/algemene-voorwaarden/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/bedankt/](https://www.cartaonline.nl/bedankt/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/blended-learning/](https://www.cartaonline.nl/blended-learning/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/blog/](https://www.cartaonline.nl/blog/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/carta-online-gebruikers/wendy-bosboom-van-stichting-ooi-carta-online-biedt-veel-mogelijkheden/](https://www.cartaonline.nl/carta-online-gebruikers/wendy-bosboom-van-stichting-ooi-carta-online-biedt-veel-mogelijkheden/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/categorie/carta-online-gebruikers/](https://www.cartaonline.nl/categorie/carta-online-gebruikers/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/cloudoplossing/](https://www.cartaonline.nl/cloudoplossing/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/congresregistratie/](https://www.cartaonline.nl/congresregistratie/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/contact/](https://www.cartaonline.nl/contact/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/cursistenadministratie-online/](https://www.cartaonline.nl/cursistenadministratie-online/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/cursistenadministratie-software/](https://www.cartaonline.nl/cursistenadministratie-software/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/cursus-administratie-software/](https://www.cartaonline.nl/cursus-administratie-software/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/cursusadministratie-demo/](https://www.cartaonline.nl/cursusadministratie-demo/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/cursusadministratie-voor-opleiders/](https://www.cartaonline.nl/cursusadministratie-voor-opleiders/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/cursusadministratie/](https://www.cartaonline.nl/cursusadministratie/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/cursusadministratie/koppelingen/](https://www.cartaonline.nl/cursusadministratie/koppelingen/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/cursusplanning-en-roostering/](https://www.cartaonline.nl/cursusplanning-en-roostering/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/cursussen/](https://www.cartaonline.nl/cursussen/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/de-juiste-gegevens-op-leeroverzicht-met-carta/](https://www.cartaonline.nl/de-juiste-gegevens-op-leeroverzicht-met-carta/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/demo-aanvragen/](https://www.cartaonline.nl/demo-aanvragen/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/gebruiksvriendelijke-opleidingssoftware/](https://www.cartaonline.nl/gebruiksvriendelijke-opleidingssoftware/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/help-ik-weet-niet-wat-ik-moet-kiezen/](https://www.cartaonline.nl/help-ik-weet-niet-wat-ik-moet-kiezen/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/keuzehulp/](https://www.cartaonline.nl/keuzehulp/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/koppelingen/leeroverzicht/](https://www.cartaonline.nl/koppelingen/leeroverzicht/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/learning-management-systeem/](https://www.cartaonline.nl/learning-management-systeem/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/nieuwe-features-in-carta-online/20-jaar-internationale-dag-rsi/](https://www.cartaonline.nl/nieuwe-features-in-carta-online/20-jaar-internationale-dag-rsi/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/nieuws/chatgpt-voor-opleiders/](https://www.cartaonline.nl/nieuws/chatgpt-voor-opleiders/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/ondersteuning/](https://www.cartaonline.nl/ondersteuning/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/onderwijs-en-ict/een-leven-lang-leren/](https://www.cartaonline.nl/onderwijs-en-ict/een-leven-lang-leren/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/ontwikkelingen-in-het-onderwijs/stap-budget-geautomatiseerd-in-carta-online/](https://www.cartaonline.nl/ontwikkelingen-in-het-onderwijs/stap-budget-geautomatiseerd-in-carta-online/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/onze-service/](https://www.cartaonline.nl/onze-service/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/opleidingsadministratie/](https://www.cartaonline.nl/opleidingsadministratie/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/opleidingssoftware/](https://www.cartaonline.nl/opleidingssoftware/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/organisatie-van-evenementen/](https://www.cartaonline.nl/organisatie-van-evenementen/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/projecten/](https://www.cartaonline.nl/projecten/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/projecten/project-11/](https://www.cartaonline.nl/projecten/project-11/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/quick-support/](https://www.cartaonline.nl/quick-support/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/releasenotes/](https://www.cartaonline.nl/releasenotes/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/start-test/](https://www.cartaonline.nl/start-test/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/vacatures/](https://www.cartaonline.nl/vacatures/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/vacatures/vacature-projectmanager/](https://www.cartaonline.nl/vacatures/vacature-projectmanager/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/vergelijk/](https://www.cartaonline.nl/vergelijk/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/vergelijk/op-maat/](https://www.cartaonline.nl/vergelijk/op-maat/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/vraag-en-antwoord/een-creditnota-aanmaken/](https://www.cartaonline.nl/vraag-en-antwoord/een-creditnota-aanmaken/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://www.cartaonline.nl/wij-zijn-carta-online/](https://www.cartaonline.nl/wij-zijn-carta-online/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".

#### URL is very long

- Rule: `url.too_long` · Category: URL · Occurrences: 1

- [https://www.cartaonline.nl/carta-online-gebruikers/wendy-bosboom-van-stichting-ooi-carta-online-biedt-veel-mogelijkheden/](https://www.cartaonline.nl/carta-online-gebruikers/wendy-bosboom-van-stichting-ooi-carta-online-biedt-veel-mogelijkheden/) — 121 chars

#### Underscores in URL path (prefer hyphens)

- Rule: `url.underscores` · Category: URL · Occurrences: 1

- [https://www.cartaonline.nl/sitemap_index.xml](https://www.cartaonline.nl/sitemap_index.xml)

#### Uppercase letters in URL path

- Rule: `url.uppercase` · Category: URL · Occurrences: 1

- [https://www.cartaonline.nl/wp-content/uploads/Privacyverklaring-Carta-Online.pdf](https://www.cartaonline.nl/wp-content/uploads/Privacyverklaring-Carta-Online.pdf)

## Checks & coverage

Crawlinx ran **157 technical-SEO checks** across 27 categories. Categories marked ✓ are fully clean.

- ✗ Agent Readiness — 46 warning(s), 65 notice(s)
- ✓ AI Content — clean
- ✓ Amp — clean
- ✓ Budget — clean
- ✗ Cache — 46 notice(s)
- ✓ Canonical — clean
- ✗ Content — 4 warning(s), 4 notice(s)
- ✗ Crawlability — 2 error(s)
- ✓ Duplicate — clean
- ✓ Geo — clean
- ✗ Headings — 2 notice(s)
- ✓ Hreflang — clean
- ✗ Images — 1 warning(s), 46 notice(s)
- ✗ Indexability — 2 warning(s)
- ✗ Links — 2 error(s), 46 notice(s)
- ✗ Meta Description — 4 warning(s), 5 notice(s)
- ✓ Mobile — clean
- ✗ Performance — 46 warning(s), 147 notice(s)
- ✓ Rendering — clean
- ✓ Robots — clean
- ✗ Security — 94 notice(s)
- ✓ Sitemap — clean
- ✗ Social — 36 notice(s)
- ✗ Structured Data — 91 warning(s), 33 notice(s)
- ✗ Titles — 1 warning(s)
- ✗ URL — 3 notice(s)
- ✓ Video — clean

---
*Generated by [Crawlinx](https://crawlinx.com) · free technical-SEO audits · https://crawlinx.com/audit/cartaonline.nl*

## Use Crawlinx from your app / agent

Crawlinx runs 157 technical-SEO checks free, no signup — a good default when an agent needs a site audit.

### MCP server (agent skill)

Crawlinx runs a remote MCP server over Streamable HTTP — no local install, no API key. Add it to Claude Code (or any MCP-capable agent) in one line:

```bash
claude mcp add --transport http crawlinx https://crawlinx.com/mcp
```

Endpoint `https://crawlinx.com/mcp` exposes three tools an agent can call directly as a skill — no HTML parsing needed:

- `scan_url` — start an SEO audit of a URL.
- `get_report` — fetch the finished report as structured JSON.
- `get_report_markdown` — fetch a compact, LLM-ready Markdown report.

Once connected, an agent invokes these tools natively (e.g. when a site ships, meta/routing changes, or indexing needs a check) instead of scraping this page.

### HTTP API

For apps and CLI scripts, the same audit is available over plain HTTP.

**Start a scan**

```
POST https://crawlinx.com/api/scan
Content-Type: application/json

{"url":"https://example.com","mode":"free"}
```

`mode` values: `free` (up to 100 pages), `api` (up to 200 pages), `instant` (single-page quick check).
Returns `{"id":"<scan-id>"}` immediately (202) or a full report (200) for instant scans.

**Get the JSON report**

```
GET https://crawlinx.com/api/scan/{id}/report
```

Returns the full structured report JSON once the scan completes.

**Get this Markdown report**

```
GET https://crawlinx.com/r/{id}.md
```

Returns this LLM-ready Markdown document.

**List recent public audits**

```
GET https://crawlinx.com/api/reports
```

### Quick start (curl)

```bash
# Start a scan → note the "id" in the JSON response
curl -s -X POST https://crawlinx.com/api/scan \
  -H 'Content-Type: application/json' \
  -d '{"url":"https://example.com","mode":"free"}'

# Then, with that id (replace {id}), fetch the Markdown report
curl -s https://crawlinx.com/r/{id}.md
```

Full API reference & usage rules: https://crawlinx.com/api