Catalog / sebasvanderdonk.nl
66

SEO audit for sebasvanderdonk.nl

Sebas van der Donk

otherWordPress

Health 66/100 (fair) · 41 pages crawled · generated 2026-08-26

Download Markdown report (feed to ChatGPT / Claude / Cursor)

Ik ben Sebas van der Donk, een afgestudeerd toneeldocent. Mijn bezigheden zijn het doceren van groepen en het regisseren van producties.

Screenshot of sebasvanderdonk.nl
41
pages crawled
39
indexable pages
0
errors
189
warnings
420
notices
0
orphan pages
0
broken links
Category breakdown
CategoryScoreErrorsWarningsNotices
Performance 47 0 73 115
Duplicate 71 0 39 2
Meta Description 80 0 28 10
Content 80 0 27 5
Agent Readiness 85 0 21 41
Images 99 0 1 2
Headings 100 0 0 38
Links 100 0 0 57
Mobile 100 0 0 39
Security 100 0 0 39
Social 100 0 0 29
Structured Data 100 0 0 39
Titles 100 0 0 1
URL 100 0 0 3
Findings

Warnings (7 rules)

warning Control has no accessible name

Rule agent.control_no_name · Agent Readiness · 21 occurrence(s)

warning Thin content (low word count)

Rule content.thin · Content · 27 occurrence(s)

warning Duplicate <title> across pages

Rule duplicate.title · Duplicate · 39 occurrence(s)

warning Images missing alt text

Rule images.missing_alt · Images · 1 occurrence(s)

warning Hero/LCP image is lazy-loaded (loading=lazy delays LCP)

Rule images.no_lazy_lcp_candidate · Performance · 34 occurrence(s)

  • https://www.sebasvanderdonk.nl/acteur/allegria-2/ — the likely hero/LCP image (de-italianen-hoffman-cafe-theater-festival-2018-rikkert-15_39850260945_o-300x200.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
  • https://www.sebasvanderdonk.nl/acteur/app-even-mij/ — the likely hero/LCP image (cef38c3bd96673702562688636828718a0c94875-300x183.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
  • https://www.sebasvanderdonk.nl/acteur/cafe-covar/ — the likely hero/LCP image (240834855_4580183052001142_5317717350589578543_n-300x200.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
  • https://www.sebasvanderdonk.nl/acteur/de-italianen/ — the likely hero/LCP image (eppel_fotografie-414-300x200.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
  • https://www.sebasvanderdonk.nl/acteur/de-saaiste-schoolreis-2/ — the likely hero/LCP image (jm-20181030-1597-300x200.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
  • https://www.sebasvanderdonk.nl/acteur/de-veevoeder-fabriek/ — the likely hero/LCP image (hf3a7011-300x200.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
  • https://www.sebasvanderdonk.nl/acteur/f-c-fortinbras/ — the likely hero/LCP image (mpp_5770-300x200.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
  • https://www.sebasvanderdonk.nl/acteur/kosmos/ — the likely hero/LCP image (dsc03960-300x200.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
  • https://www.sebasvanderdonk.nl/acteur/oh-othello/ — the likely hero/LCP image (hum3955-kopie-300x169.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
  • https://www.sebasvanderdonk.nl/acteur/ongelofelijkmooileven/ — the likely hero/LCP image (file2-300x200.jpeg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
  • https://www.sebasvanderdonk.nl/acteur/pssst/ — the likely hero/LCP image (11057510_917281081683765_1083871874818869080_o-300x215.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
  • https://www.sebasvanderdonk.nl/acteur/pussy/ — the likely hero/LCP image (jm-20220422-6691-300x200.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
  • https://www.sebasvanderdonk.nl/acteur/theater-in-de-klas/ — the likely hero/LCP image (img_1257-300x200.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
  • https://www.sebasvanderdonk.nl/acteur/verhalenbank/ — the likely hero/LCP image (web-pijnackerplein-bankje-300x200.jpeg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
  • https://www.sebasvanderdonk.nl/over-mij/ — the likely hero/LCP image (img_3546-300x200.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
  • https://www.sebasvanderdonk.nl/projecten/ — the likely hero/LCP image (b928f881593903ab04586df30eba825362785571-1-e1659692757163.jpeg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
  • https://www.sebasvanderdonk.nl/regie/a-space-odyssey/ — the likely hero/LCP image (20210415-scenebeelden-talentlab_lowress-35_foto-bjorn-frins-300x200.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
  • https://www.sebasvanderdonk.nl/regie/de-backspace/ — the likely hero/LCP image (20230413-img_9971-300x200.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
  • https://www.sebasvanderdonk.nl/regie/duh-puberpodcast/ — the likely hero/LCP image (schermafbeelding-2020-04-07-om-18.30.56-300x236.png) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
  • https://www.sebasvanderdonk.nl/regie/een-wonder/ — the likely hero/LCP image (jm-202212160765--300x200.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
  • https://www.sebasvanderdonk.nl/regie/hemellichaam/ — the likely hero/LCP image (img_4395-300x200.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
  • https://www.sebasvanderdonk.nl/regie/hier-brandt-altijd-licht/ — the likely hero/LCP image (ee3d710c-ac45-4e62-b99d-c5db4da8955f-300x300.png) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
  • https://www.sebasvanderdonk.nl/regie/kasplant/ — the likely hero/LCP image (20230413-img_9628-300x200.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
  • https://www.sebasvanderdonk.nl/regie/super-nova/ — the likely hero/LCP image (img_4694-300x200.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
  • https://www.sebasvanderdonk.nl/regie/tragedie-vallende-puber/ — the likely hero/LCP image (img_3472-300x200.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.

warning Missing meta description

Rule meta_desc.missing · Meta Description · 28 occurrence(s)

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

Rule perf.render_blocking · Performance · 39 occurrence(s)

Notices (25 rules)

notice Heading levels skip a level

Rule agent.heading_skip · Agent Readiness · 2 occurrence(s)

notice No llms.txt for AI agents

Rule agent.llms_txt_missing · Agent Readiness · 1 occurrence(s)

notice No main landmark for AI agents

Rule agent.no_main_landmark · Agent Readiness · 38 occurrence(s)

notice Main text is hard to read (low Flesch Reading Ease)

Rule content.readability_poor · Content · 5 occurrence(s)

  • https://www.sebasvanderdonk.nl/acteur/cafe-covar/ — this page reads as difficult (Flesch Reading Ease 46, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.sebasvanderdonk.nl/acteur/de-veevoeder-fabriek/ — this page reads as difficult (Flesch Reading Ease 43, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.sebasvanderdonk.nl/projecten/ — this page reads as difficult (Flesch Reading Ease 45, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.sebasvanderdonk.nl/regie/a-space-odyssey/ — this page reads as very difficult (Flesch Reading Ease 27, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://www.sebasvanderdonk.nl/regie/gender-reveal-party/ — this page reads as difficult (Flesch Reading Ease 45, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.

notice Duplicate meta description across pages

Rule duplicate.meta_desc · Duplicate · 2 occurrence(s)

notice Multiple <h1> elements

Rule h1.multiple · Headings · 38 occurrence(s)

notice Missing html lang attribute

Rule i18n.lang_missing · Mobile · 39 occurrence(s)

notice Image filename is generic/auto-generated (missed image-search signal)

Rule images.generic_filename · Images · 1 occurrence(s)

  • https://www.sebasvanderdonk.nl/ — 1 image(s) use a generic/auto-generated filename (e.g. IMG_1234.jpg, photo1.png, a bare UUID). Google reads the filename as a signal of image content, so rename files descriptively (hyphen-separated words) before upload.

notice Likely hero image lacks fetchpriority=high

Rule images.hero_no_fetchpriority · Performance · 1 occurrence(s)

  • https://www.sebasvanderdonk.nl/ — the likely hero/LCP image (factorium_link_kumulus_hires-williamvandervoort-13-scaled.jpg) 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 · 1 occurrence(s)

notice Internal link has no anchor text / accessible name

Rule links.no_anchor_text · Links · 21 occurrence(s)

notice Page has only one internal inlink (fragile crawl path)

Rule links.single_inlink · Links · 36 occurrence(s)

notice Meta description too long

Rule meta_desc.too_long · Meta Description · 1 occurrence(s)

notice Meta description too short

Rule meta_desc.too_short · Meta Description · 9 occurrence(s)

notice Missing Open Graph tags

Rule og.missing · Social · 29 occurrence(s)

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

Rule perf.images_legacy_format · Performance · 35 occurrence(s)

notice Large HTML document

Rule perf.large_html · Performance · 1 occurrence(s)

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

Rule perf.no_etag · Performance · 39 occurrence(s)

  • https://www.sebasvanderdonk.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.sebasvanderdonk.nl/acteur/allegria-2/ — 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.sebasvanderdonk.nl/acteur/app-even-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://www.sebasvanderdonk.nl/acteur/cafe-covar/ — 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.sebasvanderdonk.nl/acteur/de-italianen/ — 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.sebasvanderdonk.nl/acteur/de-saaiste-schoolreis-2/ — 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.sebasvanderdonk.nl/acteur/de-veevoeder-fabriek/ — 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.sebasvanderdonk.nl/acteur/f-c-fortinbras/ — 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.sebasvanderdonk.nl/acteur/kindermenu/ — 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.sebasvanderdonk.nl/acteur/kosmos/ — 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.sebasvanderdonk.nl/acteur/oh-othello/ — 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.sebasvanderdonk.nl/acteur/ongelofelijkmooileven/ — 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.sebasvanderdonk.nl/acteur/pssst/ — 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.sebasvanderdonk.nl/acteur/pussy/ — 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.sebasvanderdonk.nl/acteur/theater-in-de-klas/ — 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.sebasvanderdonk.nl/acteur/verhalenbank/ — 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.sebasvanderdonk.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://www.sebasvanderdonk.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.sebasvanderdonk.nl/regie/de-backspace/ — 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.sebasvanderdonk.nl/regie/een-wonder/ — 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.sebasvanderdonk.nl/regie/hemellichaam/ — 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.sebasvanderdonk.nl/regie/hier-brandt-altijd-licht/ — 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.sebasvanderdonk.nl/regie/kasplant/ — 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.sebasvanderdonk.nl/regie/super-nova/ — 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.sebasvanderdonk.nl/regie/voor-de-allerlaatste-keer/ — 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 · 39 occurrence(s)

  • https://www.sebasvanderdonk.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.sebasvanderdonk.nl/acteur/allegria-2/ — 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.sebasvanderdonk.nl/acteur/app-even-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://www.sebasvanderdonk.nl/acteur/cafe-covar/ — 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.sebasvanderdonk.nl/acteur/de-italianen/ — 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.sebasvanderdonk.nl/acteur/de-saaiste-schoolreis-2/ — 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.sebasvanderdonk.nl/acteur/de-veevoeder-fabriek/ — 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.sebasvanderdonk.nl/acteur/f-c-fortinbras/ — 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.sebasvanderdonk.nl/acteur/kindermenu/ — 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.sebasvanderdonk.nl/acteur/kosmos/ — 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.sebasvanderdonk.nl/acteur/oh-othello/ — 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.sebasvanderdonk.nl/acteur/ongelofelijkmooileven/ — 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.sebasvanderdonk.nl/acteur/pssst/ — 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.sebasvanderdonk.nl/acteur/pussy/ — 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.sebasvanderdonk.nl/acteur/theater-in-de-klas/ — 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.sebasvanderdonk.nl/acteur/verhalenbank/ — 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.sebasvanderdonk.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://www.sebasvanderdonk.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.sebasvanderdonk.nl/regie/de-backspace/ — 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.sebasvanderdonk.nl/regie/een-wonder/ — 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.sebasvanderdonk.nl/regie/hemellichaam/ — 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.sebasvanderdonk.nl/regie/hier-brandt-altijd-licht/ — 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.sebasvanderdonk.nl/regie/kasplant/ — 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.sebasvanderdonk.nl/regie/super-nova/ — 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.sebasvanderdonk.nl/regie/voor-de-allerlaatste-keer/ — 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 Deprecated schema type with no Google rich result

Rule schema.deprecated_type · Structured Data · 1 occurrence(s)

  • https://www.sebasvanderdonk.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.

notice No structured data detected

Rule schema.none · Structured Data · 38 occurrence(s)

notice Missing recommended security headers

Rule security.missing_headers · Security · 39 occurrence(s)

notice Title tag is identical to the H1 (missed keyword variation)

Rule title.same_as_h1 · Titles · 1 occurrence(s)

notice Underscores in URL path (prefer hyphens)

Rule url.underscores · URL · 1 occurrence(s)

notice Uppercase letters in URL path

Rule url.uppercase · URL · 2 occurrence(s)

Pages (showing 41 of 41)
URLStatusIndexableWordsIn-links
https://www.sebasvanderdonk.nl/
Sebas van der Donk		 200 yes 44 39
https://www.sebasvanderdonk.nl/over-mij/
Sebas van der Donk		 200 yes 340 39
https://www.sebasvanderdonk.nl/projecten/
Sebas van der Donk		 200 yes 266 39
https://www.sebasvanderdonk.nl/acteur/allegria-2/
Sebas van der Donk		 200 yes 139 1
https://www.sebasvanderdonk.nl/acteur/app-even-mij/
Sebas van der Donk		 200 yes 212 1
https://www.sebasvanderdonk.nl/acteur/cafe-covar/
Sebas van der Donk		 200 yes 275 1
https://www.sebasvanderdonk.nl/acteur/de-italianen/
Sebas van der Donk		 200 yes 112 1
https://www.sebasvanderdonk.nl/acteur/de-saaiste-schoolreis-2/
Sebas van der Donk		 200 yes 243 1
https://www.sebasvanderdonk.nl/acteur/de-veevoeder-fabriek/
Sebas van der Donk		 200 yes 170 1
https://www.sebasvanderdonk.nl/acteur/f-c-fortinbras/
Sebas van der Donk		 200 yes 209 1
https://www.sebasvanderdonk.nl/acteur/kindermenu/
Sebas van der Donk		 200 yes 126 1
https://www.sebasvanderdonk.nl/acteur/kosmos/
Sebas van der Donk		 200 yes 265 1
https://www.sebasvanderdonk.nl/acteur/oh-othello/
Sebas van der Donk		 200 yes 116 1
https://www.sebasvanderdonk.nl/acteur/ongelofelijkmooileven/
Sebas van der Donk		 200 yes 143 1
https://www.sebasvanderdonk.nl/acteur/pssst/
Sebas van der Donk		 200 yes 135 1
https://www.sebasvanderdonk.nl/acteur/pussy/
Sebas van der Donk		 200 yes 316 1
https://www.sebasvanderdonk.nl/acteur/theater-in-de-klas/
Sebas van der Donk		 200 yes 95 1
https://www.sebasvanderdonk.nl/acteur/verhalenbank/
Sebas van der Donk		 200 yes 95 1
https://www.sebasvanderdonk.nl/regie/a-space-odyssey/
Sebas van der Donk		 200 yes 193 1
https://www.sebasvanderdonk.nl/regie/atalanta-kussen-als-15-bent/
Sebas van der Donk		 200 yes 187 1
https://www.sebasvanderdonk.nl/regie/de-backspace/
Sebas van der Donk		 200 yes 169 1
https://www.sebasvanderdonk.nl/regie/de-kleine-prins/
Sebas van der Donk		 200 yes 147 1
https://www.sebasvanderdonk.nl/regie/duh-puberpodcast/
Sebas van der Donk		 200 yes 177 1
https://www.sebasvanderdonk.nl/regie/een-wonder/
Sebas van der Donk		 200 yes 91 1
https://www.sebasvanderdonk.nl/regie/gender-reveal-party/
Sebas van der Donk		 200 yes 138 1
https://www.sebasvanderdonk.nl/regie/hemellichaam/
Sebas van der Donk		 200 yes 204 1
https://www.sebasvanderdonk.nl/regie/hier-brandt-altijd-licht/
Sebas van der Donk		 200 yes 164 1
https://www.sebasvanderdonk.nl/regie/horizon/
Sebas van der Donk		 200 yes 115 1
https://www.sebasvanderdonk.nl/regie/instagrammable/
Sebas van der Donk		 200 yes 188 1
https://www.sebasvanderdonk.nl/regie/kasplant/
Sebas van der Donk		 200 yes 132 1
https://www.sebasvanderdonk.nl/regie/mijn-ubu/
Sebas van der Donk		 200 yes 96 1
https://www.sebasvanderdonk.nl/regie/qreatertocht/
Sebas van der Donk		 200 yes 80 1
https://www.sebasvanderdonk.nl/regie/spruitjes/
Sebas van der Donk		 200 yes 238 1
https://www.sebasvanderdonk.nl/regie/super-nova/
Sebas van der Donk		 200 yes 166 1
https://www.sebasvanderdonk.nl/regie/tragedie-vallende-puber/
Sebas van der Donk		 200 yes 123 1
https://www.sebasvanderdonk.nl/regie/voor-de-allerlaatste-keer/
Sebas van der Donk		 200 yes 97 1
https://www.sebasvanderdonk.nl/regie/waarom-slapen/
Sebas van der Donk		 200 yes 206 1
https://www.sebasvanderdonk.nl/regie/wij-zijn-boos-2/
Sebas van der Donk		 200 yes 104 1
https://www.sebasvanderdonk.nl/regie/wolk/
Sebas van der Donk		 200 yes 243 1
https://www.sebasvanderdonk.nl/wp-content/uploads/2020/11/IMG_3546.jpg 200 no 0 1
https://www.sebasvanderdonk.nl/wp-content/uploads/2022/03/cv-Sebas-van-der-Donk-2022.pdf 200 no 0 1

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