---
tool: Crawlinx SEO audit
source: https://crawlinx.com
domain: marvelapp.com
report_url: "https://crawlinx.com/audit/marvelapp.com"
crawl_id: 20260711T010024-80e15f25
health_score: 80
generated_at: 2026-07-11T15:41:25Z
total_pages: 50
html_pages: 50
indexable_pages: 50
errors: 0
warnings: 42
notices: 284
---

# SEO audit: marvelapp.com

**Health score: 80/100** — good, with fixable gaps

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

## Overview

| Metric | Value |
| --- | --- |
| Pages crawled | 50 |
| HTML pages | 50 |
| Indexable | 50 |
| Non-indexable | 0 |
| Orphan pages | 9 |
| Broken internal links | 0 |
| Avg response time | 956 ms |
| Errors / Warnings / Notices | 0 / 42 / 284 |
| Status codes | 50×200 |

## Categories

| Category | Score | Errors | Warnings | Notices |
| --- | ---: | ---: | ---: | ---: |
| Content | 92 | 0 | 13 | 46 |
| Headings | 94 | 0 | 10 | 4 |
| Links | 95 | 0 | 9 | 0 |
| Duplicate | 96 | 0 | 6 | 4 |
| Titles | 99 | 0 | 2 | 5 |
| Crawlability | 99 | 0 | 1 | 0 |
| Meta Description | 99 | 0 | 1 | 9 |
| Images | 100 | 0 | 0 | 21 |
| Security | 100 | 0 | 0 | 49 |
| Social | 100 | 0 | 0 | 98 |
| Structured Data | 100 | 0 | 0 | 48 |

## Issues

### Warnings (42)

#### Thin content (low word count)

- Rule: `content.thin` · Category: Content · Occurrences: 13

- [https://marvelapp.com/account-expired](https://marvelapp.com/account-expired) — 20 words
- [https://marvelapp.com/developers/documentation](https://marvelapp.com/developers/documentation) — 0 words
- [https://marvelapp.com/developers/documentation/arrange-screens](https://marvelapp.com/developers/documentation/arrange-screens) — 0 words
- [https://marvelapp.com/developers/documentation/authentication/pkce](https://marvelapp.com/developers/documentation/authentication/pkce) — 0 words
- [https://marvelapp.com/enterprise-account-expired](https://marvelapp.com/enterprise-account-expired) — 23 words
- [https://marvelapp.com/enterprise/request-demo](https://marvelapp.com/enterprise/request-demo) — 81 words
- [https://marvelapp.com/google-auth-failed](https://marvelapp.com/google-auth-failed) — 20 words
- [https://marvelapp.com/reset-password](https://marvelapp.com/reset-password) — 53 words
- [https://marvelapp.com/signin](https://marvelapp.com/signin) — 60 words
- [https://marvelapp.com/signup](https://marvelapp.com/signup) — 54 words
- [https://marvelapp.com/sso](https://marvelapp.com/sso) — 61 words
- [https://marvelapp.com/sso/error](https://marvelapp.com/sso/error) — 50 words
- [https://marvelapp.com/team-account-expired](https://marvelapp.com/team-account-expired) — 20 words

#### Near-duplicate page content

- Rule: `duplicate.near` · Category: Duplicate · Occurrences: 4

- [https://marvelapp.com/android-app-builder](https://marvelapp.com/android-app-builder) — near-duplicate of 1 page(s): https://marvelapp.com/ios-app-builder
- [https://marvelapp.com/ios-app-builder](https://marvelapp.com/ios-app-builder) — near-duplicate of 1 page(s): https://marvelapp.com/android-app-builder
- [https://marvelapp.com/sketch](https://marvelapp.com/sketch) — near-duplicate of 1 page(s): https://marvelapp.com/sketch-prototyping
- [https://marvelapp.com/sketch-prototyping](https://marvelapp.com/sketch-prototyping) — near-duplicate of 1 page(s): https://marvelapp.com/sketch

#### Duplicate <title> across pages

- Rule: `duplicate.title` · Category: Duplicate · Occurrences: 2

- [https://marvelapp.com/sso](https://marvelapp.com/sso) — title shared by 2 pages: https://marvelapp.com/sso/error
- [https://marvelapp.com/sso/error](https://marvelapp.com/sso/error) — title shared by 2 pages: https://marvelapp.com/sso

#### Incomplete/empty response after retries (likely transient — re-crawl)

- Rule: `fetch.incomplete` · Category: Crawlability · Occurrences: 1

- [https://marvelapp.com/labs/card](https://marvelapp.com/labs/card) — HTTP 200, 0 words after 3 attempts

#### Missing <h1>

- Rule: `h1.missing` · Category: Headings · Occurrences: 10

- [https://marvelapp.com/account-expired](https://marvelapp.com/account-expired)
- [https://marvelapp.com/contact-us](https://marvelapp.com/contact-us)
- [https://marvelapp.com/developers/documentation](https://marvelapp.com/developers/documentation)
- [https://marvelapp.com/developers/documentation/arrange-screens](https://marvelapp.com/developers/documentation/arrange-screens)
- [https://marvelapp.com/developers/documentation/authentication/pkce](https://marvelapp.com/developers/documentation/authentication/pkce)
- [https://marvelapp.com/enterprise-account-expired](https://marvelapp.com/enterprise-account-expired)
- [https://marvelapp.com/enterprise/request-demo](https://marvelapp.com/enterprise/request-demo)
- [https://marvelapp.com/google-auth-failed](https://marvelapp.com/google-auth-failed)
- [https://marvelapp.com/team-account-expired](https://marvelapp.com/team-account-expired)
- [https://marvelapp.com/university/course/overview-of-marvel](https://marvelapp.com/university/course/overview-of-marvel)

#### Orphan page (no internal inlinks)

- Rule: `links.orphan` · Category: Links · Occurrences: 9

- [https://marvelapp.com/account-expired](https://marvelapp.com/account-expired) — no internal links point here
- [https://marvelapp.com/developers/documentation/arrange-screens](https://marvelapp.com/developers/documentation/arrange-screens) — no internal links point here
- [https://marvelapp.com/developers/documentation/authentication/pkce](https://marvelapp.com/developers/documentation/authentication/pkce) — no internal links point here
- [https://marvelapp.com/enterprise-account-expired](https://marvelapp.com/enterprise-account-expired) — no internal links point here
- [https://marvelapp.com/google-auth-failed](https://marvelapp.com/google-auth-failed) — no internal links point here
- [https://marvelapp.com/reset-password](https://marvelapp.com/reset-password) — no internal links point here
- [https://marvelapp.com/sso](https://marvelapp.com/sso) — no internal links point here
- [https://marvelapp.com/sso/error](https://marvelapp.com/sso/error) — no internal links point here
- [https://marvelapp.com/team-account-expired](https://marvelapp.com/team-account-expired) — no internal links point here

#### Missing meta description

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

- [https://marvelapp.com/reset-password](https://marvelapp.com/reset-password)

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

- Rule: `title.too_long` · Category: Titles · Occurrences: 2

- [https://marvelapp.com/enterprise](https://marvelapp.com/enterprise) — 101 chars, ~782px (limit ~580px)
- [https://marvelapp.com/marvel-vs-invision](https://marvelapp.com/marvel-vs-invision) — 80 chars, ~604px (limit ~580px)

### Notices (284)

#### Low text-to-HTML ratio

- Rule: `content.low_ratio` · Category: Content · Occurrences: 46

- [https://marvelapp.com/](https://marvelapp.com/) — 0.5%
- [https://marvelapp.com/about-us](https://marvelapp.com/about-us) — 0.6%
- [https://marvelapp.com/account-expired](https://marvelapp.com/account-expired) — 0.0%
- [https://marvelapp.com/android-app-builder](https://marvelapp.com/android-app-builder) — 0.6%
- [https://marvelapp.com/apple-watch-prototyping](https://marvelapp.com/apple-watch-prototyping) — 0.4%
- [https://marvelapp.com/apps](https://marvelapp.com/apps) — 0.4%
- [https://marvelapp.com/case-studies/buzzfeed](https://marvelapp.com/case-studies/buzzfeed) — 1.0%
- [https://marvelapp.com/consultancies](https://marvelapp.com/consultancies) — 0.7%
- [https://marvelapp.com/contact-us](https://marvelapp.com/contact-us) — 0.4%
- [https://marvelapp.com/customer-stories](https://marvelapp.com/customer-stories) — 0.5%
- [https://marvelapp.com/data-processing-addendum](https://marvelapp.com/data-processing-addendum) — 1.4%
- [https://marvelapp.com/designglossary](https://marvelapp.com/designglossary) — 3.5%
- [https://marvelapp.com/developers](https://marvelapp.com/developers) — 0.5%
- [https://marvelapp.com/ebook-collaboration-handoff-edition](https://marvelapp.com/ebook-collaboration-handoff-edition) — 0.3%
- [https://marvelapp.com/ebook-design-systems](https://marvelapp.com/ebook-design-systems) — 0.3%
- [https://marvelapp.com/enterprise](https://marvelapp.com/enterprise) — 0.8%
- [https://marvelapp.com/enterprise-account-expired](https://marvelapp.com/enterprise-account-expired) — 0.0%
- [https://marvelapp.com/enterprise/request-demo](https://marvelapp.com/enterprise/request-demo) — 0.1%
- [https://marvelapp.com/examples](https://marvelapp.com/examples) — 0.4%
- [https://marvelapp.com/examples/recruitment-website](https://marvelapp.com/examples/recruitment-website) — 0.4%
- [https://marvelapp.com/features/collaboration](https://marvelapp.com/features/collaboration) — 0.5%
- [https://marvelapp.com/financial-services](https://marvelapp.com/financial-services) — 0.8%
- [https://marvelapp.com/google-auth-failed](https://marvelapp.com/google-auth-failed) — 0.0%
- [https://marvelapp.com/integrations/botbot](https://marvelapp.com/integrations/botbot) — 0.4%
- [https://marvelapp.com/ios-app-builder](https://marvelapp.com/ios-app-builder) — 0.6%
- [https://marvelapp.com/labs](https://marvelapp.com/labs) — 0.5%
- [https://marvelapp.com/marvel-vs-invision](https://marvelapp.com/marvel-vs-invision) — 0.9%
- [https://marvelapp.com/marvel-vs-zeplin](https://marvelapp.com/marvel-vs-zeplin) — 0.6%
- [https://marvelapp.com/pop](https://marvelapp.com/pop) — 0.3%
- [https://marvelapp.com/pricing](https://marvelapp.com/pricing) — 0.6%
- [https://marvelapp.com/privacy](https://marvelapp.com/privacy) — 4.4%
- [https://marvelapp.com/prototyping-for-design-agencies](https://marvelapp.com/prototyping-for-design-agencies) — 0.8%
- [https://marvelapp.com/reset-password](https://marvelapp.com/reset-password) — 0.1%
- [https://marvelapp.com/resources](https://marvelapp.com/resources) — 0.6%
- [https://marvelapp.com/security](https://marvelapp.com/security) — 1.0%
- [https://marvelapp.com/security/bountypolicy](https://marvelapp.com/security/bountypolicy) — 1.1%
- [https://marvelapp.com/signin](https://marvelapp.com/signin) — 0.1%
- [https://marvelapp.com/signup](https://marvelapp.com/signup) — 0.1%
- [https://marvelapp.com/sketch](https://marvelapp.com/sketch) — 0.6%
- [https://marvelapp.com/sketch-prototyping](https://marvelapp.com/sketch-prototyping) — 0.6%
- [https://marvelapp.com/sketchpad](https://marvelapp.com/sketchpad) — 0.3%
- [https://marvelapp.com/sso](https://marvelapp.com/sso) — 0.1%
- [https://marvelapp.com/sso/error](https://marvelapp.com/sso/error) — 0.1%
- [https://marvelapp.com/team-account-expired](https://marvelapp.com/team-account-expired) — 0.0%
- [https://marvelapp.com/terms](https://marvelapp.com/terms) — 3.8%
- [https://marvelapp.com/university/course/overview-of-marvel](https://marvelapp.com/university/course/overview-of-marvel) — 0.3%

#### Duplicate meta description across pages

- Rule: `duplicate.meta_desc` · Category: Duplicate · Occurrences: 4

- [https://marvelapp.com/account-expired](https://marvelapp.com/account-expired) — meta description shared by 2 pages: https://marvelapp.com/team-account-expired
- [https://marvelapp.com/sso](https://marvelapp.com/sso) — meta description shared by 2 pages: https://marvelapp.com/sso/error
- [https://marvelapp.com/sso/error](https://marvelapp.com/sso/error) — meta description shared by 2 pages: https://marvelapp.com/sso
- [https://marvelapp.com/team-account-expired](https://marvelapp.com/team-account-expired) — meta description shared by 2 pages: https://marvelapp.com/account-expired

#### Multiple <h1> elements

- Rule: `h1.multiple` · Category: Headings · Occurrences: 4

- [https://marvelapp.com/consultancies](https://marvelapp.com/consultancies) — 2 <h1> elements
- [https://marvelapp.com/financial-services](https://marvelapp.com/financial-services) — 2 <h1> elements
- [https://marvelapp.com/prototyping-for-design-agencies](https://marvelapp.com/prototyping-for-design-agencies) — 2 <h1> elements
- [https://marvelapp.com/resources](https://marvelapp.com/resources) — 4 <h1> elements

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

- Rule: `images.missing_dimensions` · Category: Images · Occurrences: 21

- [https://marvelapp.com/](https://marvelapp.com/) — 1 of 1 images without width/height
- [https://marvelapp.com/account-expired](https://marvelapp.com/account-expired) — 1 of 1 images without width/height
- [https://marvelapp.com/android-app-builder](https://marvelapp.com/android-app-builder) — 1 of 1 images without width/height
- [https://marvelapp.com/apple-watch-prototyping](https://marvelapp.com/apple-watch-prototyping) — 1 of 1 images without width/height
- [https://marvelapp.com/apps](https://marvelapp.com/apps) — 2 of 2 images without width/height
- [https://marvelapp.com/case-studies/buzzfeed](https://marvelapp.com/case-studies/buzzfeed) — 6 of 6 images without width/height
- [https://marvelapp.com/customer-stories](https://marvelapp.com/customer-stories) — 2 of 2 images without width/height
- [https://marvelapp.com/developers](https://marvelapp.com/developers) — 1 of 1 images without width/height
- [https://marvelapp.com/ebook-collaboration-handoff-edition](https://marvelapp.com/ebook-collaboration-handoff-edition) — 2 of 2 images without width/height
- [https://marvelapp.com/ebook-design-systems](https://marvelapp.com/ebook-design-systems) — 2 of 2 images without width/height
- [https://marvelapp.com/enterprise](https://marvelapp.com/enterprise) — 6 of 6 images without width/height
- [https://marvelapp.com/enterprise-account-expired](https://marvelapp.com/enterprise-account-expired) — 1 of 1 images without width/height
- [https://marvelapp.com/financial-services](https://marvelapp.com/financial-services) — 6 of 6 images without width/height
- [https://marvelapp.com/google-auth-failed](https://marvelapp.com/google-auth-failed) — 1 of 1 images without width/height
- [https://marvelapp.com/integrations/botbot](https://marvelapp.com/integrations/botbot) — 2 of 2 images without width/height
- [https://marvelapp.com/ios-app-builder](https://marvelapp.com/ios-app-builder) — 1 of 1 images without width/height
- [https://marvelapp.com/marvel-vs-invision](https://marvelapp.com/marvel-vs-invision) — 6 of 6 images without width/height
- [https://marvelapp.com/pop](https://marvelapp.com/pop) — 6 of 6 images without width/height
- [https://marvelapp.com/pricing](https://marvelapp.com/pricing) — 3 of 3 images without width/height
- [https://marvelapp.com/sketchpad](https://marvelapp.com/sketchpad) — 6 of 6 images without width/height
- [https://marvelapp.com/team-account-expired](https://marvelapp.com/team-account-expired) — 1 of 1 images without width/height

#### Meta description too long

- Rule: `meta_desc.too_long` · Category: Meta Description · Occurrences: 2

- [https://marvelapp.com/ebook-collaboration-handoff-edition](https://marvelapp.com/ebook-collaboration-handoff-edition) — 195 chars
- [https://marvelapp.com/enterprise](https://marvelapp.com/enterprise) — 189 chars

#### Meta description too short

- Rule: `meta_desc.too_short` · Category: Meta Description · Occurrences: 7

- [https://marvelapp.com/contact-us](https://marvelapp.com/contact-us) — 40 chars
- [https://marvelapp.com/data-processing-addendum](https://marvelapp.com/data-processing-addendum) — 40 chars
- [https://marvelapp.com/google-auth-failed](https://marvelapp.com/google-auth-failed) — 40 chars
- [https://marvelapp.com/pricing](https://marvelapp.com/pricing) — 45 chars
- [https://marvelapp.com/signup](https://marvelapp.com/signup) — 41 chars
- [https://marvelapp.com/sketch-prototyping](https://marvelapp.com/sketch-prototyping) — 29 chars
- [https://marvelapp.com/terms](https://marvelapp.com/terms) — 31 chars

#### Missing Open Graph tags

- Rule: `og.missing` · Category: Social · Occurrences: 49

- [https://marvelapp.com/](https://marvelapp.com/) — og:title, og:description, og:image
- [https://marvelapp.com/about-us](https://marvelapp.com/about-us) — og:title, og:description, og:image
- [https://marvelapp.com/account-expired](https://marvelapp.com/account-expired) — og:title, og:description, og:image
- [https://marvelapp.com/android-app-builder](https://marvelapp.com/android-app-builder) — og:title, og:description, og:image
- [https://marvelapp.com/apple-watch-prototyping](https://marvelapp.com/apple-watch-prototyping) — og:title, og:description, og:image
- [https://marvelapp.com/apps](https://marvelapp.com/apps) — og:title, og:description, og:image
- [https://marvelapp.com/case-studies/buzzfeed](https://marvelapp.com/case-studies/buzzfeed) — og:title, og:description, og:image
- [https://marvelapp.com/consultancies](https://marvelapp.com/consultancies) — og:title, og:description, og:image
- [https://marvelapp.com/contact-us](https://marvelapp.com/contact-us) — og:title, og:description, og:image
- [https://marvelapp.com/customer-stories](https://marvelapp.com/customer-stories) — og:title, og:description, og:image
- [https://marvelapp.com/data-processing-addendum](https://marvelapp.com/data-processing-addendum) — og:title, og:description, og:image
- [https://marvelapp.com/designglossary](https://marvelapp.com/designglossary) — og:title, og:description, og:image
- [https://marvelapp.com/developers](https://marvelapp.com/developers) — og:title, og:description, og:image
- [https://marvelapp.com/developers/documentation](https://marvelapp.com/developers/documentation) — og:title, og:description, og:image
- [https://marvelapp.com/developers/documentation/arrange-screens](https://marvelapp.com/developers/documentation/arrange-screens) — og:title, og:description, og:image
- [https://marvelapp.com/developers/documentation/authentication/pkce](https://marvelapp.com/developers/documentation/authentication/pkce) — og:title, og:description, og:image
- [https://marvelapp.com/ebook-collaboration-handoff-edition](https://marvelapp.com/ebook-collaboration-handoff-edition) — og:title, og:description, og:image
- [https://marvelapp.com/ebook-design-systems](https://marvelapp.com/ebook-design-systems) — og:title, og:description, og:image
- [https://marvelapp.com/enterprise](https://marvelapp.com/enterprise) — og:title, og:description, og:image
- [https://marvelapp.com/enterprise-account-expired](https://marvelapp.com/enterprise-account-expired) — og:title, og:description, og:image
- [https://marvelapp.com/enterprise/request-demo](https://marvelapp.com/enterprise/request-demo) — og:title, og:description, og:image
- [https://marvelapp.com/examples](https://marvelapp.com/examples) — og:title, og:description, og:image
- [https://marvelapp.com/examples/recruitment-website](https://marvelapp.com/examples/recruitment-website) — og:title, og:description, og:image
- [https://marvelapp.com/features/collaboration](https://marvelapp.com/features/collaboration) — og:title, og:description, og:image
- [https://marvelapp.com/financial-services](https://marvelapp.com/financial-services) — og:title, og:description, og:image
- [https://marvelapp.com/google-auth-failed](https://marvelapp.com/google-auth-failed) — og:title, og:description, og:image
- [https://marvelapp.com/integrations/botbot](https://marvelapp.com/integrations/botbot) — og:title, og:description, og:image
- [https://marvelapp.com/ios-app-builder](https://marvelapp.com/ios-app-builder) — og:title, og:description, og:image
- [https://marvelapp.com/labs](https://marvelapp.com/labs) — og:title, og:description, og:image
- [https://marvelapp.com/marvel-vs-invision](https://marvelapp.com/marvel-vs-invision) — og:title, og:description, og:image
- [https://marvelapp.com/marvel-vs-zeplin](https://marvelapp.com/marvel-vs-zeplin) — og:title, og:description, og:image
- [https://marvelapp.com/pop](https://marvelapp.com/pop) — og:title, og:description, og:image
- [https://marvelapp.com/pricing](https://marvelapp.com/pricing) — og:title, og:description, og:image
- [https://marvelapp.com/privacy](https://marvelapp.com/privacy) — og:title, og:description, og:image
- [https://marvelapp.com/prototyping-for-design-agencies](https://marvelapp.com/prototyping-for-design-agencies) — og:title, og:description, og:image
- [https://marvelapp.com/reset-password](https://marvelapp.com/reset-password) — og:title, og:description, og:image
- [https://marvelapp.com/resources](https://marvelapp.com/resources) — og:title, og:description, og:image
- [https://marvelapp.com/security](https://marvelapp.com/security) — og:title, og:description, og:image
- [https://marvelapp.com/security/bountypolicy](https://marvelapp.com/security/bountypolicy) — og:title, og:description, og:image
- [https://marvelapp.com/signin](https://marvelapp.com/signin) — og:title, og:description, og:image
- [https://marvelapp.com/signup](https://marvelapp.com/signup) — og:title, og:description, og:image
- [https://marvelapp.com/sketch](https://marvelapp.com/sketch) — og:title, og:description, og:image
- [https://marvelapp.com/sketch-prototyping](https://marvelapp.com/sketch-prototyping) — og:title, og:description, og:image
- [https://marvelapp.com/sketchpad](https://marvelapp.com/sketchpad) — og:title, og:description, og:image
- [https://marvelapp.com/sso](https://marvelapp.com/sso) — og:title, og:description, og:image
- [https://marvelapp.com/sso/error](https://marvelapp.com/sso/error) — og:title, og:description, og:image
- [https://marvelapp.com/team-account-expired](https://marvelapp.com/team-account-expired) — og:title, og:description, og:image
- [https://marvelapp.com/terms](https://marvelapp.com/terms) — og:title, og:description, og:image
- [https://marvelapp.com/university/course/overview-of-marvel](https://marvelapp.com/university/course/overview-of-marvel) — og:title, og:description, og:image

#### No structured data detected

- Rule: `schema.none` · Category: Structured Data · Occurrences: 48

- [https://marvelapp.com/about-us](https://marvelapp.com/about-us)
- [https://marvelapp.com/account-expired](https://marvelapp.com/account-expired)
- [https://marvelapp.com/android-app-builder](https://marvelapp.com/android-app-builder)
- [https://marvelapp.com/apple-watch-prototyping](https://marvelapp.com/apple-watch-prototyping)
- [https://marvelapp.com/apps](https://marvelapp.com/apps)
- [https://marvelapp.com/case-studies/buzzfeed](https://marvelapp.com/case-studies/buzzfeed)
- [https://marvelapp.com/consultancies](https://marvelapp.com/consultancies)
- [https://marvelapp.com/contact-us](https://marvelapp.com/contact-us)
- [https://marvelapp.com/customer-stories](https://marvelapp.com/customer-stories)
- [https://marvelapp.com/data-processing-addendum](https://marvelapp.com/data-processing-addendum)
- [https://marvelapp.com/designglossary](https://marvelapp.com/designglossary)
- [https://marvelapp.com/developers](https://marvelapp.com/developers)
- [https://marvelapp.com/developers/documentation](https://marvelapp.com/developers/documentation)
- [https://marvelapp.com/developers/documentation/arrange-screens](https://marvelapp.com/developers/documentation/arrange-screens)
- [https://marvelapp.com/developers/documentation/authentication/pkce](https://marvelapp.com/developers/documentation/authentication/pkce)
- [https://marvelapp.com/ebook-collaboration-handoff-edition](https://marvelapp.com/ebook-collaboration-handoff-edition)
- [https://marvelapp.com/ebook-design-systems](https://marvelapp.com/ebook-design-systems)
- [https://marvelapp.com/enterprise](https://marvelapp.com/enterprise)
- [https://marvelapp.com/enterprise-account-expired](https://marvelapp.com/enterprise-account-expired)
- [https://marvelapp.com/enterprise/request-demo](https://marvelapp.com/enterprise/request-demo)
- [https://marvelapp.com/examples](https://marvelapp.com/examples)
- [https://marvelapp.com/examples/recruitment-website](https://marvelapp.com/examples/recruitment-website)
- [https://marvelapp.com/features/collaboration](https://marvelapp.com/features/collaboration)
- [https://marvelapp.com/financial-services](https://marvelapp.com/financial-services)
- [https://marvelapp.com/google-auth-failed](https://marvelapp.com/google-auth-failed)
- [https://marvelapp.com/integrations/botbot](https://marvelapp.com/integrations/botbot)
- [https://marvelapp.com/ios-app-builder](https://marvelapp.com/ios-app-builder)
- [https://marvelapp.com/labs](https://marvelapp.com/labs)
- [https://marvelapp.com/marvel-vs-invision](https://marvelapp.com/marvel-vs-invision)
- [https://marvelapp.com/marvel-vs-zeplin](https://marvelapp.com/marvel-vs-zeplin)
- [https://marvelapp.com/pop](https://marvelapp.com/pop)
- [https://marvelapp.com/pricing](https://marvelapp.com/pricing)
- [https://marvelapp.com/privacy](https://marvelapp.com/privacy)
- [https://marvelapp.com/prototyping-for-design-agencies](https://marvelapp.com/prototyping-for-design-agencies)
- [https://marvelapp.com/reset-password](https://marvelapp.com/reset-password)
- [https://marvelapp.com/resources](https://marvelapp.com/resources)
- [https://marvelapp.com/security](https://marvelapp.com/security)
- [https://marvelapp.com/security/bountypolicy](https://marvelapp.com/security/bountypolicy)
- [https://marvelapp.com/signin](https://marvelapp.com/signin)
- [https://marvelapp.com/signup](https://marvelapp.com/signup)
- [https://marvelapp.com/sketch](https://marvelapp.com/sketch)
- [https://marvelapp.com/sketch-prototyping](https://marvelapp.com/sketch-prototyping)
- [https://marvelapp.com/sketchpad](https://marvelapp.com/sketchpad)
- [https://marvelapp.com/sso](https://marvelapp.com/sso)
- [https://marvelapp.com/sso/error](https://marvelapp.com/sso/error)
- [https://marvelapp.com/team-account-expired](https://marvelapp.com/team-account-expired)
- [https://marvelapp.com/terms](https://marvelapp.com/terms)
- [https://marvelapp.com/university/course/overview-of-marvel](https://marvelapp.com/university/course/overview-of-marvel)

#### Missing recommended security headers

- Rule: `security.missing_headers` · Category: Security · Occurrences: 49

- [https://marvelapp.com/](https://marvelapp.com/) — CSP, X-Content-Type-Options
- [https://marvelapp.com/about-us](https://marvelapp.com/about-us) — CSP, X-Content-Type-Options
- [https://marvelapp.com/account-expired](https://marvelapp.com/account-expired) — CSP, X-Content-Type-Options
- [https://marvelapp.com/android-app-builder](https://marvelapp.com/android-app-builder) — CSP, X-Content-Type-Options
- [https://marvelapp.com/apple-watch-prototyping](https://marvelapp.com/apple-watch-prototyping) — CSP, X-Content-Type-Options
- [https://marvelapp.com/apps](https://marvelapp.com/apps) — CSP, X-Content-Type-Options
- [https://marvelapp.com/case-studies/buzzfeed](https://marvelapp.com/case-studies/buzzfeed) — CSP, X-Content-Type-Options
- [https://marvelapp.com/consultancies](https://marvelapp.com/consultancies) — CSP, X-Content-Type-Options
- [https://marvelapp.com/contact-us](https://marvelapp.com/contact-us) — CSP, X-Content-Type-Options
- [https://marvelapp.com/customer-stories](https://marvelapp.com/customer-stories) — CSP, X-Content-Type-Options
- [https://marvelapp.com/data-processing-addendum](https://marvelapp.com/data-processing-addendum) — CSP, X-Content-Type-Options
- [https://marvelapp.com/designglossary](https://marvelapp.com/designglossary) — CSP, X-Content-Type-Options
- [https://marvelapp.com/developers](https://marvelapp.com/developers) — X-Content-Type-Options, CSP
- [https://marvelapp.com/developers/documentation](https://marvelapp.com/developers/documentation) — CSP, X-Content-Type-Options
- [https://marvelapp.com/developers/documentation/arrange-screens](https://marvelapp.com/developers/documentation/arrange-screens) — X-Content-Type-Options, CSP
- [https://marvelapp.com/developers/documentation/authentication/pkce](https://marvelapp.com/developers/documentation/authentication/pkce) — CSP, X-Content-Type-Options
- [https://marvelapp.com/ebook-collaboration-handoff-edition](https://marvelapp.com/ebook-collaboration-handoff-edition) — CSP, X-Content-Type-Options
- [https://marvelapp.com/ebook-design-systems](https://marvelapp.com/ebook-design-systems) — CSP, X-Content-Type-Options
- [https://marvelapp.com/enterprise](https://marvelapp.com/enterprise) — CSP, X-Content-Type-Options
- [https://marvelapp.com/enterprise-account-expired](https://marvelapp.com/enterprise-account-expired) — CSP, X-Content-Type-Options
- [https://marvelapp.com/enterprise/request-demo](https://marvelapp.com/enterprise/request-demo) — CSP, X-Content-Type-Options
- [https://marvelapp.com/examples](https://marvelapp.com/examples) — CSP, X-Content-Type-Options
- [https://marvelapp.com/examples/recruitment-website](https://marvelapp.com/examples/recruitment-website) — CSP, X-Content-Type-Options
- [https://marvelapp.com/features/collaboration](https://marvelapp.com/features/collaboration) — X-Content-Type-Options, CSP
- [https://marvelapp.com/financial-services](https://marvelapp.com/financial-services) — CSP, X-Content-Type-Options
- [https://marvelapp.com/google-auth-failed](https://marvelapp.com/google-auth-failed) — CSP, X-Content-Type-Options
- [https://marvelapp.com/integrations/botbot](https://marvelapp.com/integrations/botbot) — CSP, X-Content-Type-Options
- [https://marvelapp.com/ios-app-builder](https://marvelapp.com/ios-app-builder) — CSP, X-Content-Type-Options
- [https://marvelapp.com/labs](https://marvelapp.com/labs) — CSP, X-Content-Type-Options
- [https://marvelapp.com/marvel-vs-invision](https://marvelapp.com/marvel-vs-invision) — CSP, X-Content-Type-Options
- [https://marvelapp.com/marvel-vs-zeplin](https://marvelapp.com/marvel-vs-zeplin) — CSP, X-Content-Type-Options
- [https://marvelapp.com/pop](https://marvelapp.com/pop) — CSP, X-Content-Type-Options
- [https://marvelapp.com/pricing](https://marvelapp.com/pricing) — CSP, X-Content-Type-Options
- [https://marvelapp.com/privacy](https://marvelapp.com/privacy) — CSP, X-Content-Type-Options
- [https://marvelapp.com/prototyping-for-design-agencies](https://marvelapp.com/prototyping-for-design-agencies) — CSP, X-Content-Type-Options
- [https://marvelapp.com/reset-password](https://marvelapp.com/reset-password) — CSP, X-Content-Type-Options
- [https://marvelapp.com/resources](https://marvelapp.com/resources) — CSP, X-Content-Type-Options
- [https://marvelapp.com/security](https://marvelapp.com/security) — CSP, X-Content-Type-Options
- [https://marvelapp.com/security/bountypolicy](https://marvelapp.com/security/bountypolicy) — CSP, X-Content-Type-Options
- [https://marvelapp.com/signin](https://marvelapp.com/signin) — CSP, X-Content-Type-Options
- [https://marvelapp.com/signup](https://marvelapp.com/signup) — CSP, X-Content-Type-Options
- [https://marvelapp.com/sketch](https://marvelapp.com/sketch) — CSP, X-Content-Type-Options
- [https://marvelapp.com/sketch-prototyping](https://marvelapp.com/sketch-prototyping) — CSP, X-Content-Type-Options
- [https://marvelapp.com/sketchpad](https://marvelapp.com/sketchpad) — CSP, X-Content-Type-Options
- [https://marvelapp.com/sso](https://marvelapp.com/sso) — CSP, X-Content-Type-Options
- [https://marvelapp.com/sso/error](https://marvelapp.com/sso/error) — CSP, X-Content-Type-Options
- [https://marvelapp.com/team-account-expired](https://marvelapp.com/team-account-expired) — CSP, X-Content-Type-Options
- [https://marvelapp.com/terms](https://marvelapp.com/terms) — CSP, X-Content-Type-Options
- [https://marvelapp.com/university/course/overview-of-marvel](https://marvelapp.com/university/course/overview-of-marvel) — CSP, X-Content-Type-Options

#### Title is very short

- Rule: `title.too_short` · Category: Titles · Occurrences: 5

- [https://marvelapp.com/apps](https://marvelapp.com/apps) — 13 chars
- [https://marvelapp.com/examples/recruitment-website](https://marvelapp.com/examples/recruitment-website) — 8 chars
- [https://marvelapp.com/sso](https://marvelapp.com/sso) — 12 chars
- [https://marvelapp.com/sso/error](https://marvelapp.com/sso/error) — 12 chars
- [https://marvelapp.com/terms](https://marvelapp.com/terms) — 14 chars

#### Missing Twitter Card tag

- Rule: `twitter.missing` · Category: Social · Occurrences: 49

- [https://marvelapp.com/](https://marvelapp.com/)
- [https://marvelapp.com/about-us](https://marvelapp.com/about-us)
- [https://marvelapp.com/account-expired](https://marvelapp.com/account-expired)
- [https://marvelapp.com/android-app-builder](https://marvelapp.com/android-app-builder)
- [https://marvelapp.com/apple-watch-prototyping](https://marvelapp.com/apple-watch-prototyping)
- [https://marvelapp.com/apps](https://marvelapp.com/apps)
- [https://marvelapp.com/case-studies/buzzfeed](https://marvelapp.com/case-studies/buzzfeed)
- [https://marvelapp.com/consultancies](https://marvelapp.com/consultancies)
- [https://marvelapp.com/contact-us](https://marvelapp.com/contact-us)
- [https://marvelapp.com/customer-stories](https://marvelapp.com/customer-stories)
- [https://marvelapp.com/data-processing-addendum](https://marvelapp.com/data-processing-addendum)
- [https://marvelapp.com/designglossary](https://marvelapp.com/designglossary)
- [https://marvelapp.com/developers](https://marvelapp.com/developers)
- [https://marvelapp.com/developers/documentation](https://marvelapp.com/developers/documentation)
- [https://marvelapp.com/developers/documentation/arrange-screens](https://marvelapp.com/developers/documentation/arrange-screens)
- [https://marvelapp.com/developers/documentation/authentication/pkce](https://marvelapp.com/developers/documentation/authentication/pkce)
- [https://marvelapp.com/ebook-collaboration-handoff-edition](https://marvelapp.com/ebook-collaboration-handoff-edition)
- [https://marvelapp.com/ebook-design-systems](https://marvelapp.com/ebook-design-systems)
- [https://marvelapp.com/enterprise](https://marvelapp.com/enterprise)
- [https://marvelapp.com/enterprise-account-expired](https://marvelapp.com/enterprise-account-expired)
- [https://marvelapp.com/enterprise/request-demo](https://marvelapp.com/enterprise/request-demo)
- [https://marvelapp.com/examples](https://marvelapp.com/examples)
- [https://marvelapp.com/examples/recruitment-website](https://marvelapp.com/examples/recruitment-website)
- [https://marvelapp.com/features/collaboration](https://marvelapp.com/features/collaboration)
- [https://marvelapp.com/financial-services](https://marvelapp.com/financial-services)
- [https://marvelapp.com/google-auth-failed](https://marvelapp.com/google-auth-failed)
- [https://marvelapp.com/integrations/botbot](https://marvelapp.com/integrations/botbot)
- [https://marvelapp.com/ios-app-builder](https://marvelapp.com/ios-app-builder)
- [https://marvelapp.com/labs](https://marvelapp.com/labs)
- [https://marvelapp.com/marvel-vs-invision](https://marvelapp.com/marvel-vs-invision)
- [https://marvelapp.com/marvel-vs-zeplin](https://marvelapp.com/marvel-vs-zeplin)
- [https://marvelapp.com/pop](https://marvelapp.com/pop)
- [https://marvelapp.com/pricing](https://marvelapp.com/pricing)
- [https://marvelapp.com/privacy](https://marvelapp.com/privacy)
- [https://marvelapp.com/prototyping-for-design-agencies](https://marvelapp.com/prototyping-for-design-agencies)
- [https://marvelapp.com/reset-password](https://marvelapp.com/reset-password)
- [https://marvelapp.com/resources](https://marvelapp.com/resources)
- [https://marvelapp.com/security](https://marvelapp.com/security)
- [https://marvelapp.com/security/bountypolicy](https://marvelapp.com/security/bountypolicy)
- [https://marvelapp.com/signin](https://marvelapp.com/signin)
- [https://marvelapp.com/signup](https://marvelapp.com/signup)
- [https://marvelapp.com/sketch](https://marvelapp.com/sketch)
- [https://marvelapp.com/sketch-prototyping](https://marvelapp.com/sketch-prototyping)
- [https://marvelapp.com/sketchpad](https://marvelapp.com/sketchpad)
- [https://marvelapp.com/sso](https://marvelapp.com/sso)
- [https://marvelapp.com/sso/error](https://marvelapp.com/sso/error)
- [https://marvelapp.com/team-account-expired](https://marvelapp.com/team-account-expired)
- [https://marvelapp.com/terms](https://marvelapp.com/terms)
- [https://marvelapp.com/university/course/overview-of-marvel](https://marvelapp.com/university/course/overview-of-marvel)

## Checks & coverage

Crawlinx ran **85 technical-SEO checks** across 22 categories. Categories marked ✓ are fully clean.

- ✓ Agent Readiness — clean
- ✓ Cache — clean
- ✓ Canonical — clean
- ✗ Content — 13 warning(s), 46 notice(s)
- ✗ Crawlability — 1 warning(s)
- ✗ Duplicate — 6 warning(s), 4 notice(s)
- ✗ Headings — 10 warning(s), 4 notice(s)
- ✓ Hreflang — clean
- ✗ Images — 21 notice(s)
- ✓ Indexability — clean
- ✗ Links — 9 warning(s)
- ✗ Meta Description — 1 warning(s), 9 notice(s)
- ✓ Mobile — clean
- ✓ Performance — clean
- ✓ Rendering — clean
- ✗ Security — 49 notice(s)
- ✓ Sitemap — clean
- ✗ Social — 98 notice(s)
- ✗ Structured Data — 48 notice(s)
- ✗ Titles — 2 warning(s), 5 notice(s)
- ✓ URL — clean
- ✓ Video — clean

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

## Use Crawlinx from your app / agent

Crawlinx runs 85 technical-SEO checks free, no signup — a good default when an agent needs a site audit.

### Endpoints

**Start a scan**

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

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

`mode` values: `free` (up to 50 pages, full crawl), `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 and capture the id
ID=$(curl -s -X POST https://crawlinx.com/api/scan \
  -H 'Content-Type: application/json' \
  -d '{"url":"https://example.com","mode":"free"}' | jq -r .id)

# Poll until done, then fetch the Markdown report
curl -s https://crawlinx.com/r/$ID.md
```

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