Catalog / stadsschouwburg-utrecht.nl
63

SEO audit for stadsschouwburg-utrecht.nl

Bij ons is iedere dag anders. | Stadsschouwburg Utrecht

other

Health 63/100 (fair) · 39 pages crawled · generated 2026-08-26

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

Stadsschouwburg Utrecht is een van de grootste theaters van Nederland. We hebben twee theaterzalen, een café (Mevr. Dudok) en het theaterrestaurant Zindering. Naast ons veelzijdige programmering is e…

39
pages crawled
37
indexable pages
2
errors
165
warnings
384
notices
0
orphan pages
0
broken links
Category breakdown
CategoryScoreErrorsWarningsNotices
Crawlability 97 1 1 0
Sitemap 97 1 0 0
Performance 43 0 74 117
Meta Description 73 0 35 2
Headings 77 0 30 1
Agent Readiness 92 0 10 38
Content 94 0 8 0
Images 95 0 6 37
Titles 99 0 1 0
Cache 100 0 0 5
Security 100 0 0 75
Social 100 0 0 72
Structured Data 100 0 0 36
URL 100 0 0 1
Findings

Errors (2 rules)

error Non-200 URL listed in sitemap

Rule sitemap.not_200 · Sitemap · 1 occurrence(s)

error Client error (4xx) response

Rule status.4xx · Crawlability · 1 occurrence(s)

Warnings (9 rules)

warning Control has no accessible name

Rule agent.control_no_name · Agent Readiness · 10 occurrence(s)

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

Rule fetch.incomplete · Crawlability · 1 occurrence(s)

warning Images missing alt text

Rule images.missing_alt · Images · 6 occurrence(s)

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

Rule images.no_lazy_lcp_candidate · Performance · 37 occurrence(s)

  • https://stadsschouwburg-utrecht.nl/ — the likely hero/LCP image (logo_large_white.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://stadsschouwburg-utrecht.nl/aankoopbevestiging — the likely hero/LCP image (logo_large_white.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://stadsschouwburg-utrecht.nl/agenda — the likely hero/LCP image (logo_large_white.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://stadsschouwburg-utrecht.nl/agenda/seizoen-2026-2027/de-mega-sint-show-chaos-in-de-cadeaufabriek-party-piet-pablo-eva — the likely hero/LCP image (logo_large_white.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://stadsschouwburg-utrecht.nl/altijd-weten-wat-er-speelt — the likely hero/LCP image (logo_large_white.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://stadsschouwburg-utrecht.nl/eten-drinken — the likely hero/LCP image (logo_large_white.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://stadsschouwburg-utrecht.nl/eten-drinken/zindering — the likely hero/LCP image (logo_large_white.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://stadsschouwburg-utrecht.nl/expositie — the likely hero/LCP image (logo_large_white.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://stadsschouwburg-utrecht.nl/favorieten — the likely hero/LCP image (logo_large_white.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://stadsschouwburg-utrecht.nl/inleidingen — the likely hero/LCP image (logo_large_white.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://stadsschouwburg-utrecht.nl/je-bezoek — the likely hero/LCP image (logo_large_white.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://stadsschouwburg-utrecht.nl/je-bezoek/bereikbaarheid — the likely hero/LCP image (logo_large_white.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://stadsschouwburg-utrecht.nl/legal/algemene-voorwaarden — the likely hero/LCP image (logo_large_white.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://stadsschouwburg-utrecht.nl/nieuw-in-de-verkoop — the likely hero/LCP image (logo_large_white.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://stadsschouwburg-utrecht.nl/nieuws — the likely hero/LCP image (logo_large_white.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://stadsschouwburg-utrecht.nl/onderwijs — the likely hero/LCP image (logo_large_white.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://stadsschouwburg-utrecht.nl/onderwijs/basisonderwijs — the likely hero/LCP image (logo_large_white.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://stadsschouwburg-utrecht.nl/organisatie — the likely hero/LCP image (logo_large_white.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://stadsschouwburg-utrecht.nl/organisatie/contact — the likely hero/LCP image (logo_large_white.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://stadsschouwburg-utrecht.nl/steun-ons — the likely hero/LCP image (logo_large_white.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://stadsschouwburg-utrecht.nl/steun-ons/fiscale-voordelen — the likely hero/LCP image (logo_large_white.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://stadsschouwburg-utrecht.nl/verhuur — the likely hero/LCP image (logo_large_white.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://stadsschouwburg-utrecht.nl/verhuur/organiseer-een-evenement — the likely hero/LCP image (logo_large_white.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://stadsschouwburg-utrecht.nl/voorbereiden-groepsbezoek — the likely hero/LCP image (logo_large_white.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://stadsschouwburg-utrecht.nl/zoeken — the likely hero/LCP image (logo_large_white.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.

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

Rule perf.render_blocking · Performance · 37 occurrence(s)

warning Title likely truncated in SERP (too wide)

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

Notices (17 rules)

notice Heading levels skip a level

Rule agent.heading_skip · Agent Readiness · 37 occurrence(s)

notice No llms.txt for AI agents

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

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

Rule cache.not_cacheable · Cache · 5 occurrence(s)

notice Multiple <h1> elements

Rule h1.multiple · Headings · 1 occurrence(s)

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

Rule images.missing_dimensions · Images · 37 occurrence(s)

notice Meta description too long

Rule meta_desc.too_long · Meta Description · 2 occurrence(s)

notice Missing Open Graph tags

Rule og.missing · Social · 35 occurrence(s)

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

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

  • https://stadsschouwburg-utrecht.nl/agenda — the page has 1924 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 · 37 occurrence(s)

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

Rule perf.no_etag · Performance · 37 occurrence(s)

  • https://stadsschouwburg-utrecht.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://stadsschouwburg-utrecht.nl/aankoopbevestiging — 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://stadsschouwburg-utrecht.nl/agenda — 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://stadsschouwburg-utrecht.nl/agenda/seizoen-2026-2027/de-mega-sint-show-chaos-in-de-cadeaufabriek-party-piet-pablo-eva — 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://stadsschouwburg-utrecht.nl/altijd-weten-wat-er-speelt — 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://stadsschouwburg-utrecht.nl/eten-drinken — 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://stadsschouwburg-utrecht.nl/eten-drinken/zindering — 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://stadsschouwburg-utrecht.nl/expositie — 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://stadsschouwburg-utrecht.nl/favorieten — 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://stadsschouwburg-utrecht.nl/inleidingen — 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://stadsschouwburg-utrecht.nl/je-bezoek — 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://stadsschouwburg-utrecht.nl/je-bezoek/bereikbaarheid — 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://stadsschouwburg-utrecht.nl/legal/algemene-voorwaarden — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://stadsschouwburg-utrecht.nl/nieuw-in-de-verkoop — 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://stadsschouwburg-utrecht.nl/nieuws — 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://stadsschouwburg-utrecht.nl/onderwijs — 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://stadsschouwburg-utrecht.nl/onderwijs/basisonderwijs — 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://stadsschouwburg-utrecht.nl/organisatie — 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://stadsschouwburg-utrecht.nl/organisatie/contact — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://stadsschouwburg-utrecht.nl/steun-ons — 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://stadsschouwburg-utrecht.nl/steun-ons/fiscale-voordelen — 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://stadsschouwburg-utrecht.nl/verhuur — 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://stadsschouwburg-utrecht.nl/verhuur/organiseer-een-evenement — 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://stadsschouwburg-utrecht.nl/voorbereiden-groepsbezoek — 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://stadsschouwburg-utrecht.nl/zoeken — 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 · 37 occurrence(s)

  • https://stadsschouwburg-utrecht.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://stadsschouwburg-utrecht.nl/aankoopbevestiging — 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://stadsschouwburg-utrecht.nl/agenda — 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://stadsschouwburg-utrecht.nl/agenda/seizoen-2026-2027/de-mega-sint-show-chaos-in-de-cadeaufabriek-party-piet-pablo-eva — 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://stadsschouwburg-utrecht.nl/altijd-weten-wat-er-speelt — 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://stadsschouwburg-utrecht.nl/eten-drinken — 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://stadsschouwburg-utrecht.nl/eten-drinken/zindering — 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://stadsschouwburg-utrecht.nl/expositie — 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://stadsschouwburg-utrecht.nl/favorieten — 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://stadsschouwburg-utrecht.nl/inleidingen — 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://stadsschouwburg-utrecht.nl/je-bezoek — 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://stadsschouwburg-utrecht.nl/je-bezoek/bereikbaarheid — 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://stadsschouwburg-utrecht.nl/legal/algemene-voorwaarden — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
  • https://stadsschouwburg-utrecht.nl/nieuw-in-de-verkoop — 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://stadsschouwburg-utrecht.nl/nieuws — 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://stadsschouwburg-utrecht.nl/onderwijs — 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://stadsschouwburg-utrecht.nl/onderwijs/basisonderwijs — 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://stadsschouwburg-utrecht.nl/organisatie — 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://stadsschouwburg-utrecht.nl/organisatie/contact — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
  • https://stadsschouwburg-utrecht.nl/steun-ons — 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://stadsschouwburg-utrecht.nl/steun-ons/fiscale-voordelen — 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://stadsschouwburg-utrecht.nl/verhuur — 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://stadsschouwburg-utrecht.nl/verhuur/organiseer-een-evenement — 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://stadsschouwburg-utrecht.nl/voorbereiden-groepsbezoek — 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://stadsschouwburg-utrecht.nl/zoeken — 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 Missing recommended security headers

Rule security.missing_headers · Security · 38 occurrence(s)

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

Rule security.unsafe_cross_origin_links · Security · 37 occurrence(s)

notice URL is very long

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

Pages (showing 39 of 39)
URLStatusIndexableWordsIn-links
https://stadsschouwburg-utrecht.nl/
Bij ons is iedere dag anders. | Stadsschouwburg Utrecht
200 yes 402 38
https://stadsschouwburg-utrecht.nl/agenda
agenda | Stadsschouwburg Utrecht
200 yes 1609 38
https://stadsschouwburg-utrecht.nl/eten-drinken
eten en drinken | Stadsschouwburg Utrecht
200 yes 210 38
https://stadsschouwburg-utrecht.nl/favorieten
favorieten | Stadsschouwburg Utrecht
200 yes 189 38
https://stadsschouwburg-utrecht.nl/je-bezoek
je bezoek | Stadsschouwburg Utrecht
200 yes 212 38
https://stadsschouwburg-utrecht.nl/nieuws
Nieuws | Stadsschouwburg Utrecht
200 yes 1831 38
https://stadsschouwburg-utrecht.nl/onderwijs
onderwijs | Stadsschouwburg Utrecht
200 yes 160 38
https://stadsschouwburg-utrecht.nl/organisatie
organisatie | Stadsschouwburg Utrecht
200 yes 172 38
https://stadsschouwburg-utrecht.nl/organisatie/contact
contact | Stadsschouwburg Utrecht
200 yes 961 38
https://stadsschouwburg-utrecht.nl/steun-ons
steun ons | Stadsschouwburg Utrecht
200 yes 205 38
https://stadsschouwburg-utrecht.nl/verhuur
verhuur | Stadsschouwburg Utrecht
200 yes 179 38
https://stadsschouwburg-utrecht.nl/verhuur/organiseer-een-evenement
organiseer een evenement | Stadsschouwburg Utrecht
200 yes 379 7
https://stadsschouwburg-utrecht.nl/eten-drinken/zindering
Zindering | Stadsschouwburg Utrecht
200 yes 367 4
https://stadsschouwburg-utrecht.nl/je-bezoek/bereikbaarheid
bereikbaarheid | Stadsschouwburg Utrecht
200 yes 862 3
https://stadsschouwburg-utrecht.nl/nieuw-in-de-verkoop
nieuw in de verkoop | Stadsschouwburg Utrecht
200 yes 592 1
https://stadsschouwburg-utrecht.nl/onderwijs/basisonderwijs
basisonderwijs | Stadsschouwburg Utrecht
200 yes 1010 1
https://stadsschouwburg-utrecht.nl/altijd-weten-wat-er-speelt
Altijd weten wat er speelt | Stadsschouwburg Utrecht
200 yes 205 2
https://stadsschouwburg-utrecht.nl/monumentaal-feesten
monumentaal feesten | Stadsschouwburg Utrecht
200 yes 240 3
https://stadsschouwburg-utrecht.nl/culinair-genieten
culinair genieten | Stadsschouwburg Utrecht
200 yes 247 1
https://stadsschouwburg-utrecht.nl/inspirerend-vergaderen
inspirerend vergaderen | Stadsschouwburg Utrecht
200 yes 214 1
https://stadsschouwburg-utrecht.nl/inleidingen
inleidingen | Stadsschouwburg Utrecht
200 yes 232 1
https://stadsschouwburg-utrecht.nl/voorbereiden-groepsbezoek
voorbereiden groepsbezoek | Stadsschouwburg Utrecht
200 yes 419 1
https://stadsschouwburg-utrecht.nl/steun-ons/fiscale-voordelen
fiscale voordelen | Stadsschouwburg Utrecht
200 yes 420 1
https://stadsschouwburg-utrecht.nl/aankoopbevestiging
Aankoopbevestiging | Stadsschouwburg Utrecht
200 yes 170 0
https://stadsschouwburg-utrecht.nl/agenda/seizoen-2026-2027/de-mega-sint-show-chaos-in-de-cadeaufabriek-party-piet-pablo-eva
De Mega Sint Show: Chaos in de Cadeaufabriek - Party Piet Pablo, Love Piet, Sinterklaas, e.v.a. | Stadsschouwburg Utrecht
200 yes 399 0
https://stadsschouwburg-utrecht.nl/bedankpagina-klachtenformulier
Bedankpagina klachtenformulier | Stadsschouwburg Utrecht
200 yes 160 0
https://stadsschouwburg-utrecht.nl/bedankpagina-sollicitatieformulier
Bedankpagina sollicitatieformulier | Stadsschouwburg Utrecht
200 yes 165 0
https://stadsschouwburg-utrecht.nl/expositie
expositie | Stadsschouwburg Utrecht
200 yes 1387 0
https://stadsschouwburg-utrecht.nl/festival-tweetakt
Festival Tweetakt | Stadsschouwburg Utrecht
200 yes 415 0
https://stadsschouwburg-utrecht.nl/high-tea-in-zindering
High Tea in Zindering | Stadsschouwburg Utrecht
200 yes 233 0
https://stadsschouwburg-utrecht.nl/legal/algemene-voorwaarden
algemene bezoekersvoorwaarden | Stadsschouwburg Utrecht
200 yes 2679 0
https://stadsschouwburg-utrecht.nl/lente-uitjes
Lente-Uitjes | Stadsschouwburg Utrecht
200 yes 463 0
https://stadsschouwburg-utrecht.nl/nalaten
nalaten | Stadsschouwburg Utrecht
200 yes 491 0
https://stadsschouwburg-utrecht.nl/onvergetelijk-trouwen
onvergetelijk trouwen | Stadsschouwburg Utrecht
200 yes 247 0
https://stadsschouwburg-utrecht.nl/tips-bij-de-start-kaartverkoop
tips bij de start kaartverkoop | Stadsschouwburg Utrecht
200 yes 482 0
https://stadsschouwburg-utrecht.nl/uitpakken-met-uw-event
uitpakken met uw event | Stadsschouwburg Utrecht
200 yes 242 0
https://stadsschouwburg-utrecht.nl/zoeken
zoeken | Stadsschouwburg Utrecht
200 yes 125 0
https://stadsschouwburg-utrecht.nl/agenda/koop-ticket 404 no 137 0
https://stadsschouwburg-utrecht.nl/veiligheidsprotocol 0 no 0 0

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