SEO audit for sisther.nl
The Cashflow Code – Woorden en zinnen die verkopen | SISTHER
Health 51/100 (fair) · 13 pages crawled · generated 2026-08-26
Download Markdown report (feed to ChatGPT / Claude / Cursor)Van "waarom kopen ze niet?" naar de rust van iemand die weet wat ze doet en dat in betalingsmeldingen terugziet. Leer de psychologie achter een aankoopbeslissing en schrijf woorden en zinnen die mense…
| Category | Score | Errors | Warnings | Notices |
|---|---|---|---|---|
| Links | 42 | 3 | 15 | 10 |
| Crawlability | 92 | 1 | 0 | 1 |
| Agent Readiness | 77 | 0 | 10 | 14 |
| Performance | 77 | 0 | 10 | 45 |
| Duplicate | 91 | 0 | 4 | 2 |
| Images | 95 | 0 | 2 | 28 |
| Indexability | 98 | 0 | 1 | 0 |
| Titles | 98 | 0 | 1 | 0 |
| Headings | 100 | 0 | 0 | 3 |
| Meta Description | 100 | 0 | 0 | 6 |
| Security | 100 | 0 | 0 | 21 |
| Structured Data | 100 | 0 | 0 | 10 |
| URL | 100 | 0 | 0 | 2 |
Errors (2 rules)
error Broken internal link (target 4xx/5xx)
Rule links.broken_internal · Links · 3 occurrence(s)
- https://sisther.nl/instant-insta-upgrade/ — https://sisther.nl/privacyverklaring (HTTP 404)
- https://sisther.nl/instarevolution/ — https://sisther.nl/privacyverklaring (HTTP 404)
- https://sisther.nl/reframe/ — https://sisther.nl/privacyverklaring (HTTP 404)
error Client error (4xx) response
Rule status.4xx · Crawlability · 1 occurrence(s)
- https://sisther.nl/privacyverklaring — HTTP 404
Warnings (9 rules)
warning Control has no accessible name
Rule agent.control_no_name · Agent Readiness · 10 occurrence(s)
- https://sisther.nl/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://sisther.nl/cashflow-code/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://sisther.nl/changemakers/ — 1 button/link(s) with no text or aria-label — an agent can't target them
- https://sisther.nl/home/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://sisther.nl/instant-insta-upgrade/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://sisther.nl/instarevolution/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://sisther.nl/over-mij/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://sisther.nl/reframe/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://sisther.nl/self-made-studio/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://sisther.nl/shop/ — 2 button/link(s) with no text or aria-label — an agent can't target them
warning Duplicate page content
Rule duplicate.content · Duplicate · 2 occurrence(s)
- https://sisther.nl/ — content shared by 2 pages: https://sisther.nl/cashflow-code/
- https://sisther.nl/cashflow-code/ — content shared by 2 pages: https://sisther.nl/
warning Duplicate <title> across pages
Rule duplicate.title · Duplicate · 2 occurrence(s)
- https://sisther.nl/ — title shared by 2 pages: https://sisther.nl/cashflow-code/
- https://sisther.nl/cashflow-code/ — title shared by 2 pages: https://sisther.nl/
warning Images missing alt text
Rule images.missing_alt · Images · 2 occurrence(s)
- https://sisther.nl/home/ — 2 of 20 images missing alt
- https://sisther.nl/shop/ — 1 of 34 images missing alt
warning Page is noindex
Rule index.noindex · Indexability · 1 occurrence(s)
- https://sisther.nl/privacyverklaring — meta/X-Robots: meta=noindex, follow
warning Orphan page (no internal inlinks)
Rule links.orphan · Links · 4 occurrence(s)
- https://sisther.nl/changemakers/ — no internal links point here
- https://sisther.nl/instant-insta-upgrade/ — no internal links point here
- https://sisther.nl/instarevolution/ — no internal links point here
- https://sisther.nl/self-made-studio/ — no internal links point here
warning Internal link points to a redirect
Rule links.redirect_target · Links · 11 occurrence(s)
- https://sisther.nl/ — https://sisther.nl/ → https://sisther.nl/cashflow-code/
- https://sisther.nl/cashflow-code/ — https://sisther.nl/ → https://sisther.nl/cashflow-code/
- https://sisther.nl/changemakers/ — https://sisther.nl/ → https://sisther.nl/cashflow-code/
- https://sisther.nl/home/ — https://sisther.nl/ → https://sisther.nl/cashflow-code/
- https://sisther.nl/instant-insta-upgrade/ — https://sisther.nl/ → https://sisther.nl/cashflow-code/
- https://sisther.nl/instarevolution/ — https://sisther.nl/ → https://sisther.nl/cashflow-code/
- https://sisther.nl/over-mij/ — https://sisther.nl/ → https://sisther.nl/cashflow-code/
- https://sisther.nl/privacyverklaring — https://sisther.nl/ → https://sisther.nl/cashflow-code/
- https://sisther.nl/reframe/ — https://sisther.nl/ → https://sisther.nl/cashflow-code/
- https://sisther.nl/self-made-studio/ — https://sisther.nl/ → https://sisther.nl/cashflow-code/
- https://sisther.nl/shop/ — https://sisther.nl/ → https://sisther.nl/cashflow-code/
warning Render-blocking script in <head> (no defer/async)
Rule perf.render_blocking · Performance · 10 occurrence(s)
- https://sisther.nl/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://sisther.nl/cashflow-code/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://sisther.nl/changemakers/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://sisther.nl/home/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://sisther.nl/instant-insta-upgrade/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://sisther.nl/instarevolution/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://sisther.nl/over-mij/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://sisther.nl/reframe/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://sisther.nl/self-made-studio/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://sisther.nl/shop/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
warning Title likely truncated in SERP (too wide)
Rule title.too_long · Titles · 1 occurrence(s)
- https://sisther.nl/shop/ — 108 chars, ~834px (limit ~580px)
Notices (21 rules)
notice Heading levels skip a level
Rule agent.heading_skip · Agent Readiness · 10 occurrence(s)
- https://sisther.nl/ — h4 follows h1 — skips h2
- https://sisther.nl/cashflow-code/ — h4 follows h1 — skips h2
- https://sisther.nl/changemakers/ — h5 follows h1 — skips h2
- https://sisther.nl/home/ — h4 follows h1 — skips h2
- https://sisther.nl/instant-insta-upgrade/ — h6 follows h1 — skips h2
- https://sisther.nl/instarevolution/ — h6 follows h1 — skips h2
- https://sisther.nl/over-mij/ — h6 follows h1 — skips h2
- https://sisther.nl/reframe/ — h6 follows h1 — skips h2
- https://sisther.nl/self-made-studio/ — h6 follows h2 — skips h3
- https://sisther.nl/shop/ — h6 follows h1 — skips h2
notice No llms.txt for AI agents
Rule agent.llms_txt_missing · Agent Readiness · 1 occurrence(s)
- https://sisther.nl/ — no llms.txt found at the site root — add one so AI agents get a curated site summary
notice No main landmark for AI agents
Rule agent.no_main_landmark · Agent Readiness · 3 occurrence(s)
- https://sisther.nl/ — add a <main> element (or role=main) around the primary content
- https://sisther.nl/cashflow-code/ — add a <main> element (or role=main) around the primary content
- https://sisther.nl/self-made-studio/ — add a <main> element (or role=main) around the primary content
notice Duplicate meta description across pages
Rule duplicate.meta_desc · Duplicate · 2 occurrence(s)
- https://sisther.nl/ — meta description shared by 2 pages: https://sisther.nl/cashflow-code/
- https://sisther.nl/cashflow-code/ — meta description shared by 2 pages: https://sisther.nl/
notice Multiple <h1> elements
Rule h1.multiple · Headings · 3 occurrence(s)
- https://sisther.nl/instarevolution/ — 2 <h1> elements
- https://sisther.nl/over-mij/ — 8 <h1> elements
- https://sisther.nl/reframe/ — 2 <h1> elements
notice Image alt text is keyword-stuffed (repetition / low variety)
Rule images.alt_stuffed · Images · 9 occurrence(s)
- https://sisther.nl/ — 4 image(s) have keyword-stuffed alt text — the same word repeated several times, or a long low-variety keyword list. Google's image guidance asks for short, descriptive alt text, not keyword lists; rewrite it to describe the image.
- https://sisther.nl/cashflow-code/ — 4 image(s) have keyword-stuffed alt text — the same word repeated several times, or a long low-variety keyword list. Google's image guidance asks for short, descriptive alt text, not keyword lists; rewrite it to describe the image.
- https://sisther.nl/home/ — 4 image(s) have keyword-stuffed alt text — the same word repeated several times, or a long low-variety keyword list. Google's image guidance asks for short, descriptive alt text, not keyword lists; rewrite it to describe the image.
- https://sisther.nl/instant-insta-upgrade/ — 4 image(s) have keyword-stuffed alt text — the same word repeated several times, or a long low-variety keyword list. Google's image guidance asks for short, descriptive alt text, not keyword lists; rewrite it to describe the image.
- https://sisther.nl/instarevolution/ — 4 image(s) have keyword-stuffed alt text — the same word repeated several times, or a long low-variety keyword list. Google's image guidance asks for short, descriptive alt text, not keyword lists; rewrite it to describe the image.
- https://sisther.nl/over-mij/ — 4 image(s) have keyword-stuffed alt text — the same word repeated several times, or a long low-variety keyword list. Google's image guidance asks for short, descriptive alt text, not keyword lists; rewrite it to describe the image.
- https://sisther.nl/reframe/ — 4 image(s) have keyword-stuffed alt text — the same word repeated several times, or a long low-variety keyword list. Google's image guidance asks for short, descriptive alt text, not keyword lists; rewrite it to describe the image.
- https://sisther.nl/self-made-studio/ — 4 image(s) have keyword-stuffed alt text — the same word repeated several times, or a long low-variety keyword list. Google's image guidance asks for short, descriptive alt text, not keyword lists; rewrite it to describe the image.
- https://sisther.nl/shop/ — 4 image(s) have keyword-stuffed alt text — the same word repeated several times, or a long low-variety keyword list. Google's image guidance asks for short, descriptive alt text, not keyword lists; rewrite it to describe the image.
notice Image alt text is very long (possible keyword stuffing)
Rule images.alt_too_long · Images · 9 occurrence(s)
- https://sisther.nl/ — 4 image(s) with alt text over 100 chars — shorten it to a concise description
- https://sisther.nl/cashflow-code/ — 4 image(s) with alt text over 100 chars — shorten it to a concise description
- https://sisther.nl/home/ — 4 image(s) with alt text over 100 chars — shorten it to a concise description
- https://sisther.nl/instant-insta-upgrade/ — 4 image(s) with alt text over 100 chars — shorten it to a concise description
- https://sisther.nl/instarevolution/ — 4 image(s) with alt text over 100 chars — shorten it to a concise description
- https://sisther.nl/over-mij/ — 4 image(s) with alt text over 100 chars — shorten it to a concise description
- https://sisther.nl/reframe/ — 4 image(s) with alt text over 100 chars — shorten it to a concise description
- https://sisther.nl/self-made-studio/ — 4 image(s) with alt text over 100 chars — shorten it to a concise description
- https://sisther.nl/shop/ — 4 image(s) with alt text over 100 chars — shorten it to a concise description
notice Likely hero image lacks fetchpriority=high
Rule images.hero_no_fetchpriority · Performance · 10 occurrence(s)
- https://sisther.nl/ — the likely hero/LCP image (logo-sisther-wietske-bakker.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://sisther.nl/cashflow-code/ — the likely hero/LCP image (logo-sisther-wietske-bakker.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://sisther.nl/changemakers/ — the likely hero/LCP image (logo-sisther-wietske-bakker.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://sisther.nl/home/ — the likely hero/LCP image (logo-sisther-wietske-bakker.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://sisther.nl/instant-insta-upgrade/ — the likely hero/LCP image (logo-sisther-wietske-bakker.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://sisther.nl/instarevolution/ — the likely hero/LCP image (logo-sisther-wietske-bakker.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://sisther.nl/over-mij/ — the likely hero/LCP image (logo-sisther-wietske-bakker.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://sisther.nl/reframe/ — the likely hero/LCP image (logo-sisther-wietske-bakker.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://sisther.nl/self-made-studio/ — the likely hero/LCP image (logo-sisther-wietske-bakker.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://sisther.nl/shop/ — the likely hero/LCP image (logo-sisther-wietske-bakker.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.
notice Images without width/height (layout shift / CLS)
Rule images.missing_dimensions · Images · 10 occurrence(s)
- https://sisther.nl/ — 11 of 28 images without width/height
- https://sisther.nl/cashflow-code/ — 11 of 28 images without width/height
- https://sisther.nl/changemakers/ — 6 of 45 images without width/height
- https://sisther.nl/home/ — 8 of 20 images without width/height
- https://sisther.nl/instant-insta-upgrade/ — 6 of 12 images without width/height
- https://sisther.nl/instarevolution/ — 6 of 22 images without width/height
- https://sisther.nl/over-mij/ — 6 of 21 images without width/height
- https://sisther.nl/reframe/ — 6 of 22 images without width/height
- https://sisther.nl/self-made-studio/ — 6 of 51 images without width/height
- https://sisther.nl/shop/ — 7 of 34 images without width/height
notice Internal link has no anchor text / accessible name
Rule links.no_anchor_text · Links · 10 occurrence(s)
- https://sisther.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://sisther.nl/cashflow-code/ — 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://sisther.nl/changemakers/ — 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://sisther.nl/home/ — 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://sisther.nl/instant-insta-upgrade/ — 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://sisther.nl/instarevolution/ — 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://sisther.nl/over-mij/ — 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://sisther.nl/reframe/ — 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://sisther.nl/self-made-studio/ — 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://sisther.nl/shop/ — 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.
notice Meta description too long
Rule meta_desc.too_long · Meta Description · 6 occurrence(s)
- https://sisther.nl/ — 218 chars
- https://sisther.nl/cashflow-code/ — 218 chars
- https://sisther.nl/home/ — 179 chars
- https://sisther.nl/instarevolution/ — 177 chars
- https://sisther.nl/over-mij/ — 201 chars
- https://sisther.nl/shop/ — 222 chars
notice Large DOM (over 1500 elements) slows rendering & interaction
Rule perf.dom_size_large · Performance · 4 occurrence(s)
- https://sisther.nl/ — the page has 1575 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.
- https://sisther.nl/cashflow-code/ — the page has 1575 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.
- https://sisther.nl/changemakers/ — the page has 1677 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.
- https://sisther.nl/self-made-studio/ — the page has 1971 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.
notice Legacy image format (jpg/png/gif) with no next-gen fallback
Rule perf.images_legacy_format · Performance · 10 occurrence(s)
- https://sisther.nl/ — 17 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://sisther.nl/cashflow-code/ — 17 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://sisther.nl/changemakers/ — 5 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://sisther.nl/home/ — 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://sisther.nl/instant-insta-upgrade/ — 8 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://sisther.nl/instarevolution/ — 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://sisther.nl/over-mij/ — 10 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://sisther.nl/reframe/ — 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://sisther.nl/self-made-studio/ — 28 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://sisther.nl/shop/ — 27 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.
notice No ETag header (no conditional GET for unchanged pages)
Rule perf.no_etag · Performance · 10 occurrence(s)
- https://sisther.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://sisther.nl/cashflow-code/ — 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://sisther.nl/changemakers/ — 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://sisther.nl/home/ — 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://sisther.nl/instant-insta-upgrade/ — 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://sisther.nl/instarevolution/ — 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://sisther.nl/over-mij/ — 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://sisther.nl/reframe/ — 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://sisther.nl/self-made-studio/ — 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://sisther.nl/shop/ — 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.
notice No Last-Modified header (no conditional GET for unchanged pages)
Rule perf.no_last_modified · Performance · 10 occurrence(s)
- https://sisther.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://sisther.nl/cashflow-code/ — 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://sisther.nl/changemakers/ — 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://sisther.nl/home/ — 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://sisther.nl/instant-insta-upgrade/ — 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://sisther.nl/instarevolution/ — 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://sisther.nl/over-mij/ — 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://sisther.nl/reframe/ — 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://sisther.nl/self-made-studio/ — 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://sisther.nl/shop/ — 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.
notice Slow server response
Rule perf.slow_response · Performance · 1 occurrence(s)
- https://sisther.nl/changemakers/ — 3848 ms
notice URL redirects to another URL
Rule redirect.single · Crawlability · 1 occurrence(s)
- https://sisther.nl/ — redirects to https://sisther.nl/cashflow-code/
notice Deprecated schema type with no Google rich result
Rule schema.deprecated_type · Structured Data · 10 occurrence(s)
- https://sisther.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.
- https://sisther.nl/cashflow-code/ — 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.
- https://sisther.nl/changemakers/ — 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.
- https://sisther.nl/home/ — 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.
- https://sisther.nl/instant-insta-upgrade/ — 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.
- https://sisther.nl/instarevolution/ — 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.
- https://sisther.nl/over-mij/ — 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.
- https://sisther.nl/reframe/ — 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.
- https://sisther.nl/self-made-studio/ — 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.
- https://sisther.nl/shop/ — 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.
notice Missing recommended security headers
Rule security.missing_headers · Security · 11 occurrence(s)
- https://sisther.nl/ — CSP, X-Content-Type-Options
- https://sisther.nl/cashflow-code/ — CSP, X-Content-Type-Options
- https://sisther.nl/changemakers/ — CSP, X-Content-Type-Options
- https://sisther.nl/home/ — CSP, X-Content-Type-Options
- https://sisther.nl/instant-insta-upgrade/ — X-Content-Type-Options, CSP
- https://sisther.nl/instarevolution/ — CSP, X-Content-Type-Options
- https://sisther.nl/over-mij/ — CSP, X-Content-Type-Options
- https://sisther.nl/privacyverklaring — X-Content-Type-Options, CSP
- https://sisther.nl/reframe/ — CSP, X-Content-Type-Options
- https://sisther.nl/self-made-studio/ — X-Content-Type-Options, CSP
- https://sisther.nl/shop/ — CSP, X-Content-Type-Options
notice target=_blank link without rel=noopener (tab-napping)
Rule security.unsafe_cross_origin_links · Security · 10 occurrence(s)
- https://sisther.nl/ — 7 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://sisther.nl/cashflow-code/ — 7 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://sisther.nl/changemakers/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://sisther.nl/home/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://sisther.nl/instant-insta-upgrade/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://sisther.nl/instarevolution/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://sisther.nl/over-mij/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://sisther.nl/reframe/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://sisther.nl/self-made-studio/ — 10 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://sisther.nl/shop/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
notice Uppercase letters in URL path
Rule url.uppercase · URL · 2 occurrence(s)
| URL | Status | Indexable | Words | In-links |
|---|---|---|---|---|
| https://sisther.nl/ The Cashflow Code – Woorden en zinnen die verkopen | SISTHER |
200 | yes | 5069 | 11 |
| https://sisther.nl/home/ Voor vrouwen met een missie | Leef en onderneem vanuit je hart | SISTHER |
200 | yes | 1649 | 11 |
| https://sisther.nl/over-mij/ Over Wietske Bakker | Oprichtster van SISTHER |
200 | yes | 1911 | 11 |
| https://sisther.nl/reframe/ Gratis download hoe je de mooiste klanten aantrekt I SISTHER.NL |
200 | yes | 969 | 11 |
| https://sisther.nl/shop/ Transformeer je leven met activerende meditaties, diepgaande cursussen en selfcare producten | Sisther Shop |
200 | yes | 2181 | 11 |
| https://sisther.nl/cashflow-code/ The Cashflow Code – Woorden en zinnen die verkopen | SISTHER |
200 | yes | 5069 | 0 |
| https://sisther.nl/changemakers/ In 100 dagen doorbreken met jouw business rooted in purpose |
200 | yes | 7064 | 0 |
| https://sisther.nl/instant-insta-upgrade/ 10 gratis tips die heel je Instagram een upgrade geeft I SISTHER.NL |
200 | yes | 1185 | 0 |
| https://sisther.nl/instarevolution/ Duizenden views op jouw verhalen I SISTHER.NL |
200 | yes | 1016 | 0 |
| https://sisther.nl/self-made-studio/ Self Made Studio – High‑End Content Creëren met Impact |
200 | yes | 5707 | 0 |
| https://sisther.nl/privacyverklaring Page not found - Sisther I Cursussen & Meditaties voor vrouwen |
404 | no | 523 | 3 |
| https://sisther.nl/wp-content/uploads/2024/07/Sisther-Algemene-Voorwaarden.pdf | 200 | no | 0 | 11 |
| https://sisther.nl/wp-content/uploads/2024/07/Sisther-Privacyverklaring.pdf | 200 | no | 0 | 11 |
Audit your own site — free
157 checks, internal PageRank, render-diff. No signup, results in ~30s.