SEO audit for oudemuziek.nl
Home | Festival Oude Muziek Utrecht
Health 65/100 (fair) · 50 pages crawled · generated 2026-08-26
Download Markdown report (feed to ChatGPT / Claude / Cursor)Het grootste oudemuziekfestival ter wereld. Geniet het hele jaar door van de mooiste oude muziek uit de middeleeuwen, renaissance en barok.
| Category | Score | Errors | Warnings | Notices |
|---|---|---|---|---|
| Agent Readiness | 70 | 0 | 50 | 33 |
| Meta Description | 78 | 0 | 37 | 5 |
| Performance | 93 | 0 | 11 | 83 |
| Titles | 95 | 0 | 9 | 0 |
| Duplicate | 95 | 0 | 8 | 0 |
| Headings | 97 | 0 | 5 | 0 |
| AI Content | 99 | 0 | 1 | 0 |
| Canonical | 100 | 0 | 0 | 2 |
| Images | 100 | 0 | 0 | 3 |
| Links | 100 | 0 | 0 | 50 |
| Security | 100 | 0 | 0 | 50 |
| Social | 100 | 0 | 0 | 100 |
| Structured Data | 100 | 0 | 0 | 2 |
| URL | 100 | 0 | 0 | 2 |
Warnings (7 rules)
warning Control has no accessible name
Rule agent.control_no_name · Agent Readiness · 50 occurrence(s)
- https://oudemuziek.nl/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://oudemuziek.nl/agenda/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://oudemuziek.nl/agenda/alle-concerten-20232024/som232414-a-nocte-temporis-reinoud-van-mechelen/15-mei-de-waalse-kerk-amsterdam-2000/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://oudemuziek.nl/festival/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://oudemuziek.nl/festival/archief/fomu25/concert-camper/concert-camper-schema/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://oudemuziek.nl/festival/concours/publieksprijs/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://oudemuziek.nl/festival/festival-2026-giving-voice/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://oudemuziek.nl/festival/oude-muziek-markt/informatie-voor-standhouders/tivolivredenburg-own-risk-declaration/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://oudemuziek.nl/over-ons/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://oudemuziek.nl/over-ons/contact/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://oudemuziek.nl/over-ons/medewerkers/vacatures/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://oudemuziek.nl/plan-uw-bezoek/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://oudemuziek.nl/plan-uw-bezoek/kaartverkoop/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://oudemuziek.nl/plan-uw-bezoek/kaartverkoop/stappenplan/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://oudemuziek.nl/steun-ons/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://oudemuziek.nl/steun-ons/particulieren/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://oudemuziek.nl/steun-ons/particulieren/word-vriend/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://oudemuziek.nl/tournees/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://oudemuziek.nl/tournees/archief/tournees-20242025/tournees2425-cappella-pratensis-sollazzo-ensemble/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://oudemuziek.nl/tournees/tournees-20262027/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://oudemuziek.nl/tournees/tournees-20262027/t2627-tenebrae-choir/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://oudemuziek.nl/voor-musici/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://oudemuziek.nl/voor-musici/festival/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://oudemuziek.nl/voor-musici/fringe/fringe-reglement/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://oudemuziek.nl/zoeken/ — 2 button/link(s) with no text or aria-label — an agent can't target them
warning Unfilled template or prompt-leak text
Rule ai.prompt_leak · AI Content · 1 occurrence(s)
- https://oudemuziek.nl/festival/archief/fomu25/concert-camper/concert-camper-schema/ — The page contains unfilled template or prompt-echo text — e.g. "[[numberOfDays]]". This usually means a generation template was published without being completed or cleaned up. Fill in or remove the placeholder so readers and crawlers don't see the scaffolding.
warning Near-duplicate page content
Rule duplicate.near · Duplicate · 8 occurrence(s)
- https://oudemuziek.nl/bedankt-voor-uw-inschrijving/ — near-duplicate of 5 page(s): https://oudemuziek.nl/over-ons/medewerkers/vacatures/, https://oudemuziek.nl/festival/concours/publieksprijs/, https://oudemuziek.nl/plan-uw-bezoek/
- https://oudemuziek.nl/concertwijzer/ — near-duplicate of 5 page(s): https://oudemuziek.nl/over-ons/medewerkers/vacatures/, https://oudemuziek.nl/festival/concours/publieksprijs/, https://oudemuziek.nl/plan-uw-bezoek/
- https://oudemuziek.nl/festival/concours/publieksprijs/ — near-duplicate of 5 page(s): https://oudemuziek.nl/over-ons/medewerkers/vacatures/, https://oudemuziek.nl/plan-uw-bezoek/, https://oudemuziek.nl/zoeken/
- https://oudemuziek.nl/over-ons/medewerkers/vacatures/ — near-duplicate of 5 page(s): https://oudemuziek.nl/festival/concours/publieksprijs/, https://oudemuziek.nl/plan-uw-bezoek/, https://oudemuziek.nl/zoeken/
- https://oudemuziek.nl/plan-uw-bezoek/ — near-duplicate of 5 page(s): https://oudemuziek.nl/over-ons/medewerkers/vacatures/, https://oudemuziek.nl/festival/concours/publieksprijs/, https://oudemuziek.nl/zoeken/
- https://oudemuziek.nl/steun-ons/ — near-duplicate of 1 page(s): https://oudemuziek.nl/steun-ons/particulieren/
- https://oudemuziek.nl/steun-ons/particulieren/ — near-duplicate of 1 page(s): https://oudemuziek.nl/steun-ons/
- https://oudemuziek.nl/zoeken/ — near-duplicate of 5 page(s): https://oudemuziek.nl/over-ons/medewerkers/vacatures/, https://oudemuziek.nl/festival/concours/publieksprijs/, https://oudemuziek.nl/plan-uw-bezoek/
warning Missing <h1>
Rule h1.missing · Headings · 5 occurrence(s)
warning Hero/LCP image is lazy-loaded (loading=lazy delays LCP)
Rule images.no_lazy_lcp_candidate · Performance · 11 occurrence(s)
- https://oudemuziek.nl/app/ — the likely hero/LCP image (1.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://oudemuziek.nl/concertwijzer/ — the likely hero/LCP image (26-aug-1100-daria-spiridonova-marco-borggreve.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://oudemuziek.nl/early-music-television/ — the likely hero/LCP image (fom24-_hr_-foppe-schut-118900.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://oudemuziek.nl/fomu26/ — the likely hero/LCP image (1-sep-2000-98-art-house-nicola-milatovic.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://oudemuziek.nl/plan-uw-bezoek/ — the likely hero/LCP image (fomu22-hr-foppe-schut-_fs_4684.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://oudemuziek.nl/plan-uw-bezoek/kaartverkoop/stappenplan/ — the likely hero/LCP image (bestel-kaarten-stap-1-nl.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://oudemuziek.nl/steun-ons/ — the likely hero/LCP image (word-vriend.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://oudemuziek.nl/steun-ons/particulieren/ — the likely hero/LCP image (word-vriend.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://oudemuziek.nl/steun-ons/particulieren/word-vriend/ — the likely hero/LCP image (6k7a1958.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://oudemuziek.nl/voor-musici/ — the likely hero/LCP image (fom.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://oudemuziek.nl/vriendenaanbiedingen/ — the likely hero/LCP image (1-bomba-flamenca.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 Missing meta description
Rule meta_desc.missing · Meta Description · 37 occurrence(s)
- https://oudemuziek.nl/app/
- https://oudemuziek.nl/bedankt-voor-uw-inschrijving/
- https://oudemuziek.nl/bedankt-voor-uw-wijziging/
- https://oudemuziek.nl/byrd/
- https://oudemuziek.nl/concertwijzer/
- https://oudemuziek.nl/festival/archief/fomu25/concert-camper/concert-camper-schema/
- https://oudemuziek.nl/festival/concours/publieksprijs/
- https://oudemuziek.nl/festival/oude-muziek-markt/informatie-voor-standhouders/tivolivredenburg-own-risk-declaration/
- https://oudemuziek.nl/notredame/
- https://oudemuziek.nl/over-ons/
- https://oudemuziek.nl/over-ons/contact/
- https://oudemuziek.nl/over-ons/medewerkers/vacatures/
- https://oudemuziek.nl/plan-uw-bezoek/
- https://oudemuziek.nl/plan-uw-bezoek/kaartverkoop/
- https://oudemuziek.nl/plan-uw-bezoek/kaartverkoop/stappenplan/
- https://oudemuziek.nl/steun-ons/
- https://oudemuziek.nl/steun-ons/particulieren/
- https://oudemuziek.nl/steun-ons/particulieren/word-vriend/
- https://oudemuziek.nl/tournees/
- https://oudemuziek.nl/tournees/tournees-20262027/
- https://oudemuziek.nl/voor-musici/
- https://oudemuziek.nl/voor-musici/festival/
- https://oudemuziek.nl/voor-musici/fringe/fringe-reglement/
- https://oudemuziek.nl/vriendenaanbiedingen/
- https://oudemuziek.nl/zoeken/
warning Title likely truncated in SERP (too wide)
Rule title.too_long · Titles · 9 occurrence(s)
- https://oudemuziek.nl/agenda/ — 75 chars, ~590px (limit ~580px)
- https://oudemuziek.nl/festival/oude-muziek-markt/informatie-voor-standhouders/tivolivredenburg-own-risk-declaration/ — 99 chars, ~772px (limit ~580px)
- https://oudemuziek.nl/plan-uw-bezoek/ — 76 chars, ~597px (limit ~580px)
- https://oudemuziek.nl/plan-uw-bezoek/kaartverkoop/stappenplan/ — 94 chars, ~730px (limit ~580px)
- https://oudemuziek.nl/steun-ons/particulieren/ — 83 chars, ~631px (limit ~580px)
- https://oudemuziek.nl/tournees/archief/tournees-20242025/tournees2425-cappella-pratensis-sollazzo-ensemble/ — 101 chars, ~797px (limit ~580px)
- https://oudemuziek.nl/tournees/tournees-20262027/t2627-tenebrae-choir/ — 87 chars, ~696px (limit ~580px)
- https://oudemuziek.nl/voor-musici/fringe/fringe-reglement/ — 78 chars, ~605px (limit ~580px)
- https://oudemuziek.nl/vriendenaanbiedingen/ — 82 chars, ~642px (limit ~580px)
Notices (16 rules)
notice Heading levels skip a level
Rule agent.heading_skip · Agent Readiness · 32 occurrence(s)
- https://oudemuziek.nl/ — h4 follows h2 — skips h3
- https://oudemuziek.nl/agenda/ — h3 follows h1 — skips h2
- https://oudemuziek.nl/bedankt-voor-uw-inschrijving/ — h4 follows h1 — skips h2
- https://oudemuziek.nl/bedankt-voor-uw-wijziging/ — h4 follows h1 — skips h2
- https://oudemuziek.nl/early-music-television/ — h5 follows h2 — skips h3
- https://oudemuziek.nl/festival/ — h4 follows h2 — skips h3
- https://oudemuziek.nl/festival/concours/publieksprijs/ — h4 follows h1 — skips h2
- https://oudemuziek.nl/festival/festival-2026-giving-voice/ — h4 follows h2 — skips h3
- https://oudemuziek.nl/festival/oude-muziek-markt/informatie-voor-standhouders/tivolivredenburg-own-risk-declaration/ — h4 follows h1 — skips h2
- https://oudemuziek.nl/not-found/ — h4 follows h1 — skips h2
- https://oudemuziek.nl/over-ons/ — h4 follows h2 — skips h3
- https://oudemuziek.nl/over-ons/contact/ — h4 follows h2 — skips h3
- https://oudemuziek.nl/over-ons/medewerkers/vacatures/ — h4 follows h2 — skips h3
- https://oudemuziek.nl/plan-uw-bezoek/ — h3 follows h1 — skips h2
- https://oudemuziek.nl/plan-uw-bezoek/kaartverkoop/ — h4 follows h2 — skips h3
- https://oudemuziek.nl/plan-uw-bezoek/kaartverkoop/stappenplan/ — h4 follows h1 — skips h2
- https://oudemuziek.nl/steun-ons/ — h3 follows h1 — skips h2
- https://oudemuziek.nl/steun-ons/particulieren/ — h3 follows h1 — skips h2
- https://oudemuziek.nl/steun-ons/particulieren/word-vriend/ — h3 follows h1 — skips h2
- https://oudemuziek.nl/tournees/archief/tournees-20242025/tournees2425-cappella-pratensis-sollazzo-ensemble/ — h4 follows h2 — skips h3
- https://oudemuziek.nl/tournees/tournees-20262027/ — h4 follows h2 — skips h3
- https://oudemuziek.nl/tournees/tournees-20262027/t2627-tenebrae-choir/ — h4 follows h2 — skips h3
- https://oudemuziek.nl/voor-musici/festival/ — h4 follows h2 — skips h3
- https://oudemuziek.nl/voor-musici/fringe/fringe-reglement/ — h4 follows h1 — skips h2
- https://oudemuziek.nl/zoeken/ — h4 follows h1 — skips h2
notice No llms.txt for AI agents
Rule agent.llms_txt_missing · Agent Readiness · 1 occurrence(s)
- https://oudemuziek.nl/ — no llms.txt found at the site root — add one so AI agents get a curated site summary
notice Canonical points to a different URL
Rule canonical.non_self · Canonical · 2 occurrence(s)
- https://oudemuziek.nl/ — canonical=https://oudemuziek.nl/home/
- https://oudemuziek.nl/middeleeuwen/ — canonical=https://emtv.online/en/catalogue-all/fomu-2026-livestreams/202604-gli-angeli-geneve-ich-habe-genug-bach-voor-bass/
notice Image alt text is very long (possible keyword stuffing)
Rule images.alt_too_long · Images · 3 occurrence(s)
- https://oudemuziek.nl/ — 7 image(s) with alt text over 100 chars — shorten it to a concise description
- https://oudemuziek.nl/festival/ — 6 image(s) with alt text over 100 chars — shorten it to a concise description
- https://oudemuziek.nl/festival/festival-2026-giving-voice/ — 6 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 · 25 occurrence(s)
- https://oudemuziek.nl/ — the likely hero/LCP image (plafond_achtergrond_def_2-2.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.
- https://oudemuziek.nl/agenda/alle-concerten-20232024/som232414-a-nocte-temporis-reinoud-van-mechelen/15-mei-de-waalse-kerk-amsterdam-2000/ — the likely hero/LCP image (reinoud-van-mechelen-c-senne-van-der-ven_p-22.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.
- https://oudemuziek.nl/ayrton/ — the likely hero/LCP image (30-patrick-ayrton_wall.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.
- https://oudemuziek.nl/barok/ — the likely hero/LCP image (fomu25-foppe-schut-_socials_fs12293.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.
- https://oudemuziek.nl/beiaardfestival/ — the likely hero/LCP image (36-fomu25-_hr_-foppe-schut-_fs13405.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.
- https://oudemuziek.nl/breakfastshow/ — the likely hero/LCP image (40-early-music-breakfast-show-0029_mariekewijntjes.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.
- https://oudemuziek.nl/byrd/ — the likely hero/LCP image (16-william_byrd_-1543-1623.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.
- https://oudemuziek.nl/castelkorn/ — the likely hero/LCP image (28-aug-26-castelkorn-2.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.
- https://oudemuziek.nl/expo/ — the likely hero/LCP image (042-tentoonstelling.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.
- https://oudemuziek.nl/festival/ — the likely hero/LCP image (fom24-foppe-schut-_lowres_fs24_117975.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.
- https://oudemuziek.nl/festival/festival-2026-giving-voice/ — the likely hero/LCP image (fom24-foppe-schut-_lowres_fs24_117975.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.
- https://oudemuziek.nl/heidweiller/ — the likely hero/LCP image (32-co-curator-sjoerdderine.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.
- https://oudemuziek.nl/hifi/ — the likely hero/LCP image (034-hifi-sessions-7912_mariekewijntjes.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.
- https://oudemuziek.nl/klavecimbel/ — the likely hero/LCP image (boccalari-1699-sirene-poten.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.
- https://oudemuziek.nl/latecollection/ — the likely hero/LCP image (24-late-collection-marieke.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.
- https://oudemuziek.nl/lesalon/ — the likely hero/LCP image (kbw2015-47-of-53.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.
- https://oudemuziek.nl/locaties/s-hertogenbosch-diverse-locaties/ — the likely hero/LCP image (de-toonzaal.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.
- https://oudemuziek.nl/middeleeuwen/ — the likely hero/LCP image (fom24-foppe-schut-_lowres_fs24_117485.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.
- https://oudemuziek.nl/notredame/ — the likely hero/LCP image (14-notre-dame-img_8697-xavier-vandamme.jpeg) 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://oudemuziek.nl/renaissance/ — the likely hero/LCP image (fomu25-foppe-schut-_lowres_fs134741.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.
- https://oudemuziek.nl/tournees/ — the likely hero/LCP image (fom24-foppe-schut-_lowres_fs24_117526.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.
- https://oudemuziek.nl/tournees/archief/tournees-20242025/tournees2425-cappella-pratensis-sollazzo-ensemble/ — the likely hero/LCP image (cappella-pratensis-sollazzo-ensemble.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.
- https://oudemuziek.nl/tournees/tournees-20262027/ — the likely hero/LCP image (musica-temprana-foppe-schut-_fs24_112002.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.
- https://oudemuziek.nl/tournees/tournees-20262027/t2627-tenebrae-choir/ — the likely hero/LCP image (tenebrae-consort-promotional-photo-2-credit-nick-white.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.
- https://oudemuziek.nl/ukg/ — the likely hero/LCP image (24-aug-1200-klokgelui-klokkenwandelingen.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 Internal link has no anchor text / accessible name
Rule links.no_anchor_text · Links · 50 occurrence(s)
- https://oudemuziek.nl/ — 2 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://oudemuziek.nl/agenda/ — 2 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://oudemuziek.nl/agenda/alle-concerten-20232024/som232414-a-nocte-temporis-reinoud-van-mechelen/15-mei-de-waalse-kerk-amsterdam-2000/ — 2 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://oudemuziek.nl/festival/ — 2 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://oudemuziek.nl/festival/archief/fomu25/concert-camper/concert-camper-schema/ — 2 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://oudemuziek.nl/festival/concours/publieksprijs/ — 2 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://oudemuziek.nl/festival/festival-2026-giving-voice/ — 2 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://oudemuziek.nl/festival/oude-muziek-markt/informatie-voor-standhouders/tivolivredenburg-own-risk-declaration/ — 2 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://oudemuziek.nl/over-ons/ — 2 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://oudemuziek.nl/over-ons/contact/ — 2 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://oudemuziek.nl/over-ons/medewerkers/vacatures/ — 2 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://oudemuziek.nl/plan-uw-bezoek/ — 2 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://oudemuziek.nl/plan-uw-bezoek/kaartverkoop/ — 2 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://oudemuziek.nl/plan-uw-bezoek/kaartverkoop/stappenplan/ — 2 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://oudemuziek.nl/steun-ons/ — 2 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://oudemuziek.nl/steun-ons/particulieren/ — 2 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://oudemuziek.nl/steun-ons/particulieren/word-vriend/ — 2 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://oudemuziek.nl/tournees/ — 2 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://oudemuziek.nl/tournees/archief/tournees-20242025/tournees2425-cappella-pratensis-sollazzo-ensemble/ — 2 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://oudemuziek.nl/tournees/tournees-20262027/ — 2 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://oudemuziek.nl/tournees/tournees-20262027/t2627-tenebrae-choir/ — 2 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://oudemuziek.nl/voor-musici/ — 2 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://oudemuziek.nl/voor-musici/festival/ — 2 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://oudemuziek.nl/voor-musici/fringe/fringe-reglement/ — 2 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://oudemuziek.nl/zoeken/ — 2 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 · 2 occurrence(s)
notice Meta description too short
Rule meta_desc.too_short · Meta Description · 3 occurrence(s)
- https://oudemuziek.nl/festival/ — 43 chars
- https://oudemuziek.nl/locaties/s-hertogenbosch-diverse-locaties/ — 44 chars
- https://oudemuziek.nl/not-found/ — 3 chars
notice Missing Open Graph tags
Rule og.missing · Social · 50 occurrence(s)
- https://oudemuziek.nl/ — og:description, og:image
- https://oudemuziek.nl/agenda/ — og:description, og:image
- https://oudemuziek.nl/agenda/alle-concerten-20232024/som232414-a-nocte-temporis-reinoud-van-mechelen/15-mei-de-waalse-kerk-amsterdam-2000/ — og:description
- https://oudemuziek.nl/festival/ — og:description
- https://oudemuziek.nl/festival/archief/fomu25/concert-camper/concert-camper-schema/ — og:description, og:image
- https://oudemuziek.nl/festival/concours/publieksprijs/ — og:description, og:image
- https://oudemuziek.nl/festival/festival-2026-giving-voice/ — og:description, og:image
- https://oudemuziek.nl/festival/oude-muziek-markt/informatie-voor-standhouders/tivolivredenburg-own-risk-declaration/ — og:description, og:image
- https://oudemuziek.nl/over-ons/ — og:description, og:image
- https://oudemuziek.nl/over-ons/contact/ — og:description, og:image
- https://oudemuziek.nl/over-ons/medewerkers/vacatures/ — og:description, og:image
- https://oudemuziek.nl/plan-uw-bezoek/ — og:description, og:image
- https://oudemuziek.nl/plan-uw-bezoek/kaartverkoop/ — og:description, og:image
- https://oudemuziek.nl/plan-uw-bezoek/kaartverkoop/stappenplan/ — og:description, og:image
- https://oudemuziek.nl/steun-ons/ — og:description, og:image
- https://oudemuziek.nl/steun-ons/particulieren/ — og:description, og:image
- https://oudemuziek.nl/steun-ons/particulieren/word-vriend/ — og:description, og:image
- https://oudemuziek.nl/tournees/ — og:description, og:image
- https://oudemuziek.nl/tournees/archief/tournees-20242025/tournees2425-cappella-pratensis-sollazzo-ensemble/ — og:description
- https://oudemuziek.nl/tournees/tournees-20262027/ — og:description, og:image
- https://oudemuziek.nl/tournees/tournees-20262027/t2627-tenebrae-choir/ — og:description
- https://oudemuziek.nl/voor-musici/ — og:description, og:image
- https://oudemuziek.nl/voor-musici/festival/ — og:description, og:image
- https://oudemuziek.nl/voor-musici/fringe/fringe-reglement/ — og:description, og:image
- https://oudemuziek.nl/zoeken/ — og:description, og:image
notice Large DOM (over 1500 elements) slows rendering & interaction
Rule perf.dom_size_large · Performance · 5 occurrence(s)
- https://oudemuziek.nl/ — the page has 1964 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://oudemuziek.nl/festival/ — the page has 1802 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://oudemuziek.nl/festival/festival-2026-giving-voice/ — the page has 1801 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://oudemuziek.nl/fomu26/ — the page has 1504 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://oudemuziek.nl/vriendenaanbiedingen/ — the page has 2016 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 · 3 occurrence(s)
- https://oudemuziek.nl/agenda/alle-concerten-20232024/som232414-a-nocte-temporis-reinoud-van-mechelen/15-mei-de-waalse-kerk-amsterdam-2000/ — 1 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://oudemuziek.nl/plan-uw-bezoek/kaartverkoop/stappenplan/ — 1 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://oudemuziek.nl/tournees/archief/tournees-20242025/tournees2425-cappella-pratensis-sollazzo-ensemble/ — 1 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
notice No ETag header (no conditional GET for unchanged pages)
Rule perf.no_etag · Performance · 50 occurrence(s)
- https://oudemuziek.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://oudemuziek.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://oudemuziek.nl/agenda/alle-concerten-20232024/som232414-a-nocte-temporis-reinoud-van-mechelen/15-mei-de-waalse-kerk-amsterdam-2000/ — 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://oudemuziek.nl/festival/ — 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://oudemuziek.nl/festival/archief/fomu25/concert-camper/concert-camper-schema/ — 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://oudemuziek.nl/festival/concours/publieksprijs/ — 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://oudemuziek.nl/festival/festival-2026-giving-voice/ — 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://oudemuziek.nl/festival/oude-muziek-markt/informatie-voor-standhouders/tivolivredenburg-own-risk-declaration/ — 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://oudemuziek.nl/over-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://oudemuziek.nl/over-ons/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://oudemuziek.nl/over-ons/medewerkers/vacatures/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://oudemuziek.nl/plan-uw-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://oudemuziek.nl/plan-uw-bezoek/kaartverkoop/ — 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://oudemuziek.nl/plan-uw-bezoek/kaartverkoop/stappenplan/ — 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://oudemuziek.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://oudemuziek.nl/steun-ons/particulieren/ — 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://oudemuziek.nl/steun-ons/particulieren/word-vriend/ — 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://oudemuziek.nl/tournees/ — 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://oudemuziek.nl/tournees/archief/tournees-20242025/tournees2425-cappella-pratensis-sollazzo-ensemble/ — 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://oudemuziek.nl/tournees/tournees-20262027/ — 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://oudemuziek.nl/tournees/tournees-20262027/t2627-tenebrae-choir/ — 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://oudemuziek.nl/voor-musici/ — 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://oudemuziek.nl/voor-musici/festival/ — 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://oudemuziek.nl/voor-musici/fringe/fringe-reglement/ — 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://oudemuziek.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 structured data detected
Rule schema.none · Structured Data · 2 occurrence(s)
notice target=_blank link without rel=noopener (tab-napping)
Rule security.unsafe_cross_origin_links · Security · 50 occurrence(s)
- https://oudemuziek.nl/ — 4 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://oudemuziek.nl/agenda/ — 4 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://oudemuziek.nl/agenda/alle-concerten-20232024/som232414-a-nocte-temporis-reinoud-van-mechelen/15-mei-de-waalse-kerk-amsterdam-2000/ — 4 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://oudemuziek.nl/festival/ — 4 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://oudemuziek.nl/festival/archief/fomu25/concert-camper/concert-camper-schema/ — 4 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://oudemuziek.nl/festival/concours/publieksprijs/ — 4 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://oudemuziek.nl/festival/festival-2026-giving-voice/ — 4 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://oudemuziek.nl/festival/oude-muziek-markt/informatie-voor-standhouders/tivolivredenburg-own-risk-declaration/ — 4 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://oudemuziek.nl/over-ons/ — 4 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://oudemuziek.nl/over-ons/contact/ — 4 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://oudemuziek.nl/over-ons/medewerkers/vacatures/ — 4 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://oudemuziek.nl/plan-uw-bezoek/ — 4 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://oudemuziek.nl/plan-uw-bezoek/kaartverkoop/ — 4 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://oudemuziek.nl/plan-uw-bezoek/kaartverkoop/stappenplan/ — 4 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://oudemuziek.nl/steun-ons/ — 4 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://oudemuziek.nl/steun-ons/particulieren/ — 4 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://oudemuziek.nl/steun-ons/particulieren/word-vriend/ — 4 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://oudemuziek.nl/tournees/ — 4 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://oudemuziek.nl/tournees/archief/tournees-20242025/tournees2425-cappella-pratensis-sollazzo-ensemble/ — 4 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://oudemuziek.nl/tournees/tournees-20262027/ — 4 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://oudemuziek.nl/tournees/tournees-20262027/t2627-tenebrae-choir/ — 4 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://oudemuziek.nl/voor-musici/ — 4 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://oudemuziek.nl/voor-musici/festival/ — 4 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://oudemuziek.nl/voor-musici/fringe/fringe-reglement/ — 4 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://oudemuziek.nl/zoeken/ — 4 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
notice Missing Twitter Card tag
Rule twitter.missing · Social · 50 occurrence(s)
- https://oudemuziek.nl/
- https://oudemuziek.nl/agenda/
- https://oudemuziek.nl/agenda/alle-concerten-20232024/som232414-a-nocte-temporis-reinoud-van-mechelen/15-mei-de-waalse-kerk-amsterdam-2000/
- https://oudemuziek.nl/festival/
- https://oudemuziek.nl/festival/archief/fomu25/concert-camper/concert-camper-schema/
- https://oudemuziek.nl/festival/concours/publieksprijs/
- https://oudemuziek.nl/festival/festival-2026-giving-voice/
- https://oudemuziek.nl/festival/oude-muziek-markt/informatie-voor-standhouders/tivolivredenburg-own-risk-declaration/
- https://oudemuziek.nl/over-ons/
- https://oudemuziek.nl/over-ons/contact/
- https://oudemuziek.nl/over-ons/medewerkers/vacatures/
- https://oudemuziek.nl/plan-uw-bezoek/
- https://oudemuziek.nl/plan-uw-bezoek/kaartverkoop/
- https://oudemuziek.nl/plan-uw-bezoek/kaartverkoop/stappenplan/
- https://oudemuziek.nl/steun-ons/
- https://oudemuziek.nl/steun-ons/particulieren/
- https://oudemuziek.nl/steun-ons/particulieren/word-vriend/
- https://oudemuziek.nl/tournees/
- https://oudemuziek.nl/tournees/archief/tournees-20242025/tournees2425-cappella-pratensis-sollazzo-ensemble/
- https://oudemuziek.nl/tournees/tournees-20262027/
- https://oudemuziek.nl/tournees/tournees-20262027/t2627-tenebrae-choir/
- https://oudemuziek.nl/voor-musici/
- https://oudemuziek.nl/voor-musici/festival/
- https://oudemuziek.nl/voor-musici/fringe/fringe-reglement/
- https://oudemuziek.nl/zoeken/
notice URL is very long
Rule url.too_long · URL · 2 occurrence(s)
| URL | Status | Indexable | Words | In-links |
|---|---|---|---|---|
| https://oudemuziek.nl/ Home | Festival Oude Muziek Utrecht |
200 | yes | 1133 | 50 |
| https://oudemuziek.nl/agenda/ Concertagenda - Festival Oude Muziek Utrecht | Festival Oude Muziek Utrecht |
200 | yes | 374 | 50 |
| https://oudemuziek.nl/festival/ Festival Oude Muziek Utrecht | Festival Oude Muziek Utrecht |
200 | yes | 1663 | 50 |
| https://oudemuziek.nl/festival/festival-2026-giving-voice/ Festival 2026 - Giving Voice | Festival Oude Muziek Utrecht |
200 | yes | 1653 | 50 |
| https://oudemuziek.nl/over-ons/ Over Festival Oude Muziek Utrecht | Festival Oude Muziek Utrecht |
200 | yes | 755 | 50 |
| https://oudemuziek.nl/over-ons/contact/ Contact | Festival Oude Muziek Utrecht |
200 | yes | 460 | 50 |
| https://oudemuziek.nl/over-ons/medewerkers/vacatures/ Vacatures | Festival Oude Muziek Utrecht |
200 | yes | 385 | 50 |
| https://oudemuziek.nl/plan-uw-bezoek/ Plan uw bezoek - Festival Oude Muziek Utrecht | Festival Oude Muziek Utrecht |
200 | yes | 395 | 50 |
| https://oudemuziek.nl/plan-uw-bezoek/kaartverkoop/ Kaartverkoop - Festival Oude Muziek Utrecht | Festival Oude Muziek Utrecht |
200 | yes | 1494 | 50 |
| https://oudemuziek.nl/steun-ons/ Steun Festival Oude Muziek Utrecht | Festival Oude Muziek Utrecht |
200 | yes | 629 | 50 |
| https://oudemuziek.nl/steun-ons/particulieren/ Particuliere donaties - Festival Oude Muziek Utrecht | Festival Oude Muziek Utrecht |
200 | yes | 560 | 50 |
| https://oudemuziek.nl/steun-ons/particulieren/word-vriend/ Word Vriend - Festival Oude Muziek Utrecht | Festival Oude Muziek Utrecht |
200 | yes | 897 | 50 |
| https://oudemuziek.nl/tournees/ Festival Oude Muziek Tournees | Festival Oude Muziek Utrecht |
200 | yes | 814 | 50 |
| https://oudemuziek.nl/tournees/tournees-20262027/ Tournees 2026/2027 | Festival Oude Muziek Utrecht |
200 | yes | 631 | 50 |
| https://oudemuziek.nl/voor-musici/ Voor musici - Festival Oude Muziek Utrecht | Festival Oude Muziek Utrecht |
200 | yes | 552 | 50 |
| https://oudemuziek.nl/voor-musici/festival/ Festivalinformatie voor musici | Festival Oude Muziek Utrecht |
200 | yes | 1957 | 50 |
| https://oudemuziek.nl/concertwijzer/ Concertwijzer | Festival Oude Muziek Utrecht |
200 | yes | 375 | 8 |
| https://oudemuziek.nl/tournees/tournees-20262027/t2627-tenebrae-choir/ Tenebrae Choir - Festival Oude Muziek Tournees 2026/2027 | Festival Oude Muziek Utrecht |
200 | yes | 722 | 4 |
| https://oudemuziek.nl/plan-uw-bezoek/kaartverkoop/stappenplan/ Stappenplan online kaarten kopen - Festival Oude Muziek Utrecht | Festival Oude Muziek Utrecht |
200 | yes | 953 | 2 |
| https://oudemuziek.nl/barok/ Barok | Festival Oude Muziek Utrecht |
200 | yes | 521 | 2 |
| https://oudemuziek.nl/middeleeuwen/ Gli Angeli Genève - Ich habe genug: Bach voor Bass | Early Music Television |
200 | yes | 497 | 2 |
| https://oudemuziek.nl/renaissance/ Renaissance | Festival Oude Muziek Utrecht |
200 | yes | 537 | 2 |
| https://oudemuziek.nl/agenda/alle-concerten-20232024/som232414-a-nocte-temporis-reinoud-van-mechelen/15-mei-de-waalse-kerk-amsterdam-2000/ a nocte temporis: Oh, ma belle brunette | Festival Oude Muziek Utrecht |
200 | yes | 921 | 1 |
| https://oudemuziek.nl/app/ Festivalapp | Festival Oude Muziek Utrecht |
200 | yes | 411 | 1 |
| https://oudemuziek.nl/ayrton/ Artist in residence: Patrick Ayrton | Festival Oude Muziek Utrecht |
200 | yes | 584 | 1 |
| https://oudemuziek.nl/bedankt-voor-uw-inschrijving/ Bedankt voor uw inschrijving | Festival Oude Muziek Utrecht |
200 | yes | 428 | 1 |
| https://oudemuziek.nl/bedankt-voor-uw-wijziging/ Bedankt voor uw wijziging | Festival Oude Muziek Utrecht |
200 | yes | 404 | 1 |
| https://oudemuziek.nl/beiaardfestival/ Beiaardfestival | Festival Oude Muziek Utrecht |
200 | yes | 628 | 1 |
| https://oudemuziek.nl/breakfastshow/ The Early Music Breakfast Show | Festival Oude Muziek Utrecht |
200 | yes | 653 | 1 |
| https://oudemuziek.nl/byrd/ William Byrd | Festival Oude Muziek Utrecht |
200 | yes | 843 | 1 |
| https://oudemuziek.nl/castelkorn/ Artist in residence: Ensemble Castelkorn | Festival Oude Muziek Utrecht |
200 | yes | 551 | 1 |
| https://oudemuziek.nl/early-music-television/ Early Music Television | Festival Oude Muziek Utrecht |
200 | yes | 1243 | 1 |
| https://oudemuziek.nl/expo/ Expo-installatie | Festival Oude Muziek Utrecht |
200 | yes | 723 | 1 |
| https://oudemuziek.nl/festival/archief/fomu25/concert-camper/concert-camper-schema/ Concert Camper schema |
200 | yes | 397 | 1 |
| https://oudemuziek.nl/festival/concours/publieksprijs/ Otto van Wassenaer Audience Award | Festival Oude Muziek Utrecht |
200 | yes | 412 | 1 |
| https://oudemuziek.nl/festival/oude-muziek-markt/informatie-voor-standhouders/tivolivredenburg-own-risk-declaration/ Own Risk Declaration TivoliVredenburg - Festival Oude Muziek Utrecht | Festival Oude Muziek Utrecht |
200 | yes | 727 | 1 |
| https://oudemuziek.nl/heidweiller/ Co-curator: Anthony Heidweiller | Festival Oude Muziek Utrecht |
200 | yes | 570 | 1 |
| https://oudemuziek.nl/hifi/ The Early Music Hifi Sessions | Festival Oude Muziek Utrecht |
200 | yes | 605 | 1 |
| https://oudemuziek.nl/klavecimbel/ Instrument in residence | Festival Oude Muziek Utrecht |
200 | yes | 688 | 1 |
| https://oudemuziek.nl/latecollection/ The Late Collection | Festival Oude Muziek Utrecht |
200 | yes | 603 | 1 |
| https://oudemuziek.nl/lesalon/ Le Salon | Festival Oude Muziek Utrecht |
200 | yes | 628 | 1 |
| https://oudemuziek.nl/locaties/s-hertogenbosch-diverse-locaties/ 's-Hertogenbosch, diverse locaties | Festival Oude Muziek Utrecht |
200 | yes | 458 | 1 |
| https://oudemuziek.nl/not-found/ Page not found | Festival Oude Muziek Utrecht |
200 | yes | 387 | 1 |
| https://oudemuziek.nl/notredame/ Muziek in de Notre-Dame van Parijs | Festival Oude Muziek Utrecht |
200 | yes | 637 | 1 |
| https://oudemuziek.nl/tournees/archief/tournees-20242025/tournees2425-cappella-pratensis-sollazzo-ensemble/ Cappella Pratensis & Sollazzo Ensemble - Festival Oude Muziek Tournees | Festival Oude Muziek Utrecht |
200 | yes | 890 | 1 |
| https://oudemuziek.nl/ukg/ Utrechts Klokkenluiders Gilde | Festival Oude Muziek Utrecht |
200 | yes | 429 | 1 |
| https://oudemuziek.nl/voor-musici/fringe/fringe-reglement/ Fringe reglement - Festival Oude Muziek Utrecht | Festival Oude Muziek Utrecht |
200 | yes | 757 | 1 |
| https://oudemuziek.nl/vriendenaanbiedingen/ Vriendenaanbiedingen - Festival Oude Muziek Utrecht | Festival Oude Muziek Utrecht |
200 | yes | 3426 | 1 |
| https://oudemuziek.nl/zoeken/ Zoeken | Festival Oude Muziek Utrecht |
200 | yes | 381 | 1 |
| https://oudemuziek.nl/fomu26/ Maak kennis | Festival Oude Muziek Utrecht |
200 | yes | 1022 | 1 |
Audit your own site — free
157 checks, internal PageRank, render-diff. No signup, results in ~30s.