Catalog / check24.net
65

SEO audit for check24.net

CHECK24 - Stromvergleich & Gasvergleich | Kfz-Versicherung, Kredit, DSL, Mobilfunk-Anbieter und Reisen im Vergleich

other

Health 65/100 (fair) · 46 pages crawled · generated 2026-08-26

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

Stromvergleich und Gasvergleich von CHECK24, Kfz-Versicherung wechseln, günstigen Kredit finden sowie DSL, Mobilfunk-Anbieter und Reisen vergleichen

Screenshot of check24.net
46
pages crawled
39
indexable pages
0
errors
62
warnings
402
notices
0
orphan pages
0
broken links
Category breakdown
CategoryScoreErrorsWarningsNotices
Structured Data 75 0 39 0
Budget 95 0 7 0
Indexability 95 0 7 0
Titles 97 0 4 8
Sitemap 98 0 3 1
Content 99 0 2 0
Agent Readiness 100 0 0 14
Cache 100 0 0 46
Canonical 100 0 0 1
Headings 100 0 0 10
Images 100 0 0 47
Links 100 0 0 2
Meta Description 100 0 0 5
Performance 100 0 0 136
Security 100 0 0 54
Social 100 0 0 78
Findings

Warnings (7 rules)

warning Noindex page receives internal links (crawl-budget waste)

Rule budget.noindex_linked · Budget · 7 occurrence(s)

  • https://www.check24.net/agb/ — this noindex page has 45 internal inlink(s) — Googlebot follows them, fetches the page, then drops it unindexed, spending crawl budget for no indexing benefit (and the links leak equity). Remove/redirect the links, or drop the noindex if the page should be indexed. Linked from: https://www.check24.net/, https://www.check24.net/agb/, https://www.check24.net/impressum/.
  • https://www.check24.net/barrierefreiheit/ — this noindex page has 45 internal inlink(s) — Googlebot follows them, fetches the page, then drops it unindexed, spending crawl budget for no indexing benefit (and the links leak equity). Remove/redirect the links, or drop the noindex if the page should be indexed. Linked from: https://www.check24.net/, https://www.check24.net/agb/, https://www.check24.net/impressum/.
  • https://www.check24.net/datenschutz/ — this noindex page has 46 internal inlink(s) — Googlebot follows them, fetches the page, then drops it unindexed, spending crawl budget for no indexing benefit (and the links leak equity). Remove/redirect the links, or drop the noindex if the page should be indexed. Linked from: https://www.check24.net/, https://www.check24.net/agb/, https://www.check24.net/impressum/.
  • https://www.check24.net/gasanbieter-vergleich/ — this noindex page has 2 internal inlink(s) — Googlebot follows them, fetches the page, then drops it unindexed, spending crawl budget for no indexing benefit (and the links leak equity). Remove/redirect the links, or drop the noindex if the page should be indexed. Linked from: https://www.check24.net/, https://www.check24.net/gasanbieter-wechseln/.
  • https://www.check24.net/impressum/ — this noindex page has 45 internal inlink(s) — Googlebot follows them, fetches the page, then drops it unindexed, spending crawl budget for no indexing benefit (and the links leak equity). Remove/redirect the links, or drop the noindex if the page should be indexed. Linked from: https://www.check24.net/, https://www.check24.net/agb/, https://www.check24.net/impressum/.
  • https://www.check24.net/oekostrom-vergleich/ — this noindex page has 1 internal inlink(s) — Googlebot follows them, fetches the page, then drops it unindexed, spending crawl budget for no indexing benefit (and the links leak equity). Remove/redirect the links, or drop the noindex if the page should be indexed. Linked from: https://www.check24.net/oekostrom/.
  • https://www.check24.net/system/drucken/?print=agb — this noindex page has 2 internal inlink(s) — Googlebot follows them, fetches the page, then drops it unindexed, spending crawl budget for no indexing benefit (and the links leak equity). Remove/redirect the links, or drop the noindex if the page should be indexed. Linked from: https://www.check24.net/agb/, https://www.check24.net/system/drucken/?print=agb.

warning Thin content (low word count)

Rule content.thin · Content · 2 occurrence(s)

warning Page is noindex

Rule index.noindex · Indexability · 6 occurrence(s)

warning noindex + nofollow (blocks link equity flow)

Rule index.noindex_nofollow · Indexability · 1 occurrence(s)

warning BreadcrumbList present but structurally incomplete

Rule schema.breadcrumb_incomplete · Structured Data · 39 occurrence(s)

  • https://www.check24.net/ — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
  • https://www.check24.net/dsl-anbieterwechsel/ — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
  • https://www.check24.net/dsl-vergleich/ — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
  • https://www.check24.net/gasanbieter-wechseln/ — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
  • https://www.check24.net/gasvergleich/ — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
  • https://www.check24.net/gewerbekunden-gas/ — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
  • https://www.check24.net/gewerbekunden-strom/ — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
  • https://www.check24.net/girokonto/ — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
  • https://www.check24.net/handytarife/ — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
  • https://www.check24.net/kfz-versicherung/ — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
  • https://www.check24.net/kontakt/ — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
  • https://www.check24.net/kredit-vergleich/ — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
  • https://www.check24.net/kreditkarte/ — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
  • https://www.check24.net/last-minute/ — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
  • https://www.check24.net/mietwagen-preisvergleich/ — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
  • https://www.check24.net/oekostrom/ — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
  • https://www.check24.net/pauschalreisen-vergleich/ — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
  • https://www.check24.net/stellenangebote/ — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
  • https://www.check24.net/strom-haeufige-fragen/ — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
  • https://www.check24.net/stromanbieter-wechseln/ — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
  • https://www.check24.net/strompreise/ — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
  • https://www.check24.net/stromspartipps/ — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
  • https://www.check24.net/stromvergleich/ — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
  • https://www.check24.net/unternehmen/ — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
  • https://www.check24.net/urlaub-buchen/ — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.

warning Non-indexable URL listed in sitemap

Rule sitemap.non_indexable · Sitemap · 3 occurrence(s)

warning Title likely truncated in SERP (too wide)

Rule title.too_long · Titles · 4 occurrence(s)

Notices (21 rules)

notice Heading levels skip a level

Rule agent.heading_skip · Agent Readiness · 12 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 · 1 occurrence(s)

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

Rule cache.not_cacheable · Cache · 46 occurrence(s)

notice Canonical points to a different URL

Rule canonical.non_self · Canonical · 1 occurrence(s)

notice Title tag and meta description are identical

Rule content.title_meta_same · Meta Description · 4 occurrence(s)

notice Multiple <h1> elements

Rule h1.multiple · Headings · 10 occurrence(s)

notice Image alt text is very long (possible keyword stuffing)

Rule images.alt_too_long · Images · 2 occurrence(s)

notice Likely hero image lacks fetchpriority=high

Rule images.hero_no_fetchpriority · Performance · 45 occurrence(s)

  • https://www.check24.net/ — the likely hero/LCP image (check24-white.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.check24.net/agb/ — the likely hero/LCP image (check24-white.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.check24.net/datenschutz/ — the likely hero/LCP image (check24-white.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.check24.net/dsl-anbieterwechsel/ — the likely hero/LCP image (check24-white.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.check24.net/dsl-vergleich/ — the likely hero/LCP image (check24-white.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.check24.net/gasanbieter-wechseln/ — the likely hero/LCP image (check24-white.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.check24.net/gasvergleich/ — the likely hero/LCP image (check24-white.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.check24.net/gewerbekunden-gas/ — the likely hero/LCP image (check24-white.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.check24.net/gewerbekunden-strom/ — the likely hero/LCP image (check24-white.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.check24.net/girokonto/ — the likely hero/LCP image (check24-white.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.check24.net/handytarife/ — the likely hero/LCP image (check24-white.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.check24.net/impressum/ — the likely hero/LCP image (check24-white.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.check24.net/kfz-versicherung/ — the likely hero/LCP image (check24-white.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.check24.net/kontakt/ — the likely hero/LCP image (check24-white.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.check24.net/kredit-vergleich/ — the likely hero/LCP image (check24-white.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.check24.net/kreditkarte/ — the likely hero/LCP image (check24-white.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.check24.net/last-minute/ — the likely hero/LCP image (check24-white.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.check24.net/mietwagen-preisvergleich/ — the likely hero/LCP image (check24-white.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.check24.net/oekostrom/ — the likely hero/LCP image (check24-white.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.check24.net/pauschalreisen-vergleich/ — the likely hero/LCP image (check24-white.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.check24.net/stellenangebote/ — the likely hero/LCP image (check24-white.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.check24.net/stromanbieter-wechseln/ — the likely hero/LCP image (check24-white.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.check24.net/stromvergleich/ — the likely hero/LCP image (check24-white.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.check24.net/unternehmen/ — the likely hero/LCP image (check24-white.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
  • https://www.check24.net/urlaub-buchen/ — the likely hero/LCP image (check24-white.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.

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

Rule images.missing_dimensions · Images · 45 occurrence(s)

notice Internal link points to a noindex page

Rule links.to_noindex · Links · 2 occurrence(s)

notice Meta description too long

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

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

Rule perf.images_legacy_format · Performance · 45 occurrence(s)

  • https://www.check24.net/ — 7 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://www.check24.net/agb/ — 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://www.check24.net/datenschutz/ — 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://www.check24.net/dsl-anbieterwechsel/ — 26 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://www.check24.net/dsl-vergleich/ — 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://www.check24.net/gasanbieter-wechseln/ — 9 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://www.check24.net/gasvergleich/ — 9 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://www.check24.net/gewerbekunden-gas/ — 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://www.check24.net/gewerbekunden-strom/ — 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://www.check24.net/girokonto/ — 2 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://www.check24.net/handytarife/ — 2 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://www.check24.net/impressum/ — 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://www.check24.net/kfz-versicherung/ — 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://www.check24.net/kontakt/ — 3 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://www.check24.net/kredit-vergleich/ — 3 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://www.check24.net/kreditkarte/ — 2 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://www.check24.net/last-minute/ — 10 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
  • https://www.check24.net/mietwagen-preisvergleich/ — 23 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://www.check24.net/oekostrom/ — 9 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://www.check24.net/pauschalreisen-vergleich/ — 10 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
  • https://www.check24.net/stellenangebote/ — 4 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://www.check24.net/stromanbieter-wechseln/ — 3 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://www.check24.net/stromvergleich/ — 9 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://www.check24.net/unternehmen/ — 2 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://www.check24.net/urlaub-buchen/ — 10 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.

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

Rule perf.no_etag · Performance · 46 occurrence(s)

  • https://www.check24.net/ — 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.check24.net/agb/ — 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.check24.net/datenschutz/ — 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.check24.net/dsl-anbieterwechsel/ — 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.check24.net/dsl-vergleich/ — 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.check24.net/gasanbieter-wechseln/ — 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.check24.net/gasvergleich/ — 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.check24.net/gewerbekunden-gas/ — 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.check24.net/gewerbekunden-strom/ — 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.check24.net/girokonto/ — 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.check24.net/handytarife/ — 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.check24.net/impressum/ — 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.check24.net/kfz-versicherung/ — 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.check24.net/kontakt/ — 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.check24.net/kredit-vergleich/ — 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.check24.net/kreditkarte/ — 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.check24.net/last-minute/ — 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.check24.net/mietwagen-preisvergleich/ — 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.check24.net/oekostrom/ — 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.check24.net/pauschalreisen-vergleich/ — 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.check24.net/stellenangebote/ — 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.check24.net/stromanbieter-wechseln/ — 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.check24.net/stromvergleich/ — 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.check24.net/unternehmen/ — 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.check24.net/urlaub-buchen/ — 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 Missing recommended security headers

Rule security.missing_headers · Security · 46 occurrence(s)

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

Rule security.unsafe_cross_origin_links · Security · 8 occurrence(s)

  • https://www.check24.net/datenschutz/ — 47 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://www.check24.net/girokonto/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://www.check24.net/impressum/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://www.check24.net/kfz-versicherung/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://www.check24.net/kontakt/ — 9 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://www.check24.net/kreditkarte/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://www.check24.net/stromvergleich/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://www.check24.net/unternehmen/ — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".

notice Indexable page not listed in sitemap

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

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

Rule title.same_as_h1 · Titles · 7 occurrence(s)

notice Title is very short

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

Pages (showing 46 of 46)
URLStatusIndexableWordsIn-links
https://www.check24.net/datenschutz/
Datenschutz
200 no 6702 46
https://www.check24.net/kontakt/
Hilfe und Kontakt | CHECK24.net
200 yes 341 46
https://www.check24.net/
CHECK24 - Stromvergleich & Gasvergleich | Kfz-Versicherung, Kredit, DSL, Mobilfunk-Anbieter und Reisen im Vergleich
200 yes 2522 45
https://www.check24.net/agb/
AGB – die allgemeinen Geschäftsbedingungen von CHECK24
200 no 2166 45
https://www.check24.net/barrierefreiheit/
Informationen zur Barrierefreiheit
200 no 697 45
https://www.check24.net/dsl-anbieterwechsel/
DSL-Anbieter wechseln – über 2500 Tarife vergleichen – CHECK24
200 yes 742 45
https://www.check24.net/dsl-haeufige-fragen/
Häufige Fragen rund um den Wechsel des DSL-Anbieters
200 yes 522 45
https://www.check24.net/dsl-ratgeber/
DSL Ratgeber - Wissenswerte Informationen rund um den DSL-Anschluss
200 yes 452 45
https://www.check24.net/dsl-vergleich/
DSL-Vergleich - CHECK24
200 yes 192 45
https://www.check24.net/gas-haeufige-fragen/
Häufige Fragen rund um den Wechsel des Gasanbieters
200 yes 559 45
https://www.check24.net/gasanbieter-wechseln/
Gasanbieter wechseln & bis zu 1.250 € pro Jahr sparen - CHECK24
200 yes 886 45
https://www.check24.net/gaspreise/
Gaspreisvergleich - Bis zu 1,25 Euro im Jahr sparen - CHECK24
200 yes 585 45
https://www.check24.net/gasspartipps/
Tipps zur Reduzierung des Gasverbrauchs in der Küche und beim Heizen
200 yes 540 45
https://www.check24.net/gasvergleich/
Gasvergleich online - Bis zu 1.250 € im Jahr sparen - CHECK24
200 yes 1024 45
https://www.check24.net/gewerbekunden-gas/
check24 - Gewerbegas Vergleich für Gewerbekunden
200 yes 279 45
https://www.check24.net/gewerbekunden-strom/
CHECK24 - Gewerbestrom Vergleich für Gewerbekunden
200 yes 282 45
https://www.check24.net/girokonto/
Girokonto Vergleich 08/2026 | CHECK24
200 yes 865 45
https://www.check24.net/handytarife/
SIM-Only-Tarife vergleichen – Handytarife im Überblick | CHECK24
200 yes 808 45
https://www.check24.net/impressum/
Impressum – Informationen zu unserem Online-Angebot
200 no 307 45
https://www.check24.net/kfz-versicherung/
Kfz-Versicherung Vergleich - Über 330 Tarife - Autoversicherung - CHECK24
200 yes 623 45
https://www.check24.net/kredit-vergleich/
Kredit-Vergleich online durchführen & günstige Zinsen sichern: CHECK24
200 yes 1069 45
https://www.check24.net/kreditkarte/
Kreditkarten Vergleich 08/2026 | CHECK24
200 yes 759 45
https://www.check24.net/last-minute/
Last Minute Reisen & Urlaub - CHECK24
200 yes 1268 45
https://www.check24.net/mietwagen-preisvergleich/
Mietwagen Preisvergleich - billige Mietwagen buchen - CHECK24
200 yes 930 45
https://www.check24.net/oekostrom/
Ökostrom Anbieter Vergleich - CHECK24
200 yes 971 45
https://www.check24.net/pauschalreisen-vergleich/
Pauschalreisen im Vergleich - Günstig Urlaub buchen - CHECK24
200 yes 1340 45
https://www.check24.net/sitemap/
Sitemap – online Tarife vergleichen und sparen – mit CHECK24
200 yes 338 45
https://www.check24.net/stellenangebote/
Stellenangebote
200 yes 424 45
https://www.check24.net/strom-haeufige-fragen/
Häufige Fragen rund um den Wechsel des Stromanbieters
200 yes 539 45
https://www.check24.net/stromanbieter-wechseln/
Stromanbieter wechseln & bis zu 850,00 € im Jahr sparen - CHECK24
200 yes 869 45
https://www.check24.net/strompreise/
Strompreisvergleich - Bis zu 500 Euro im Jahr sparen - CHECK24
200 yes 550 45
https://www.check24.net/stromspartipps/
Stromspartipps für Ihren Haushalt – Kosten sparen ohne Komfortverlust
200 yes 552 45
https://www.check24.net/stromvergleich/
Stromvergleich online - Bis zu 301 € Bonus - CHECK24
200 yes 1000 45
https://www.check24.net/unternehmen/
Unternehmensinformationen
200 yes 641 45
https://www.check24.net/urlaub-buchen/
Günstig Urlaub buchen - Reise buchen - CHECK24
200 yes 1298 45
https://www.check24.net/der-gasmarkt-und-seine-liberalisierung/
Der Gasmarkt und seine Liberalisierung
200 yes 387 8
https://www.check24.net/die-oelpreisbindung-an-den-gaspreis/
Die Ölpreisbindung an den Gaspreis
200 yes 419 8
https://www.check24.net/so-funktioniert-der-wechsel-des-gasanbieters/
So funktioniert der Wechsel des Gasanbieters
200 yes 602 8
https://www.check24.net/der-strommarkt-und-seine-liberalisierung/
Der Strommarkt und seine Liberalisierung
200 yes 465 8
https://www.check24.net/kann-ich-den-stromanbieter-wechseln/
Kann ich den Stromanbieter wechseln?
200 yes 480 8
https://www.check24.net/so-funktioniert-der-wechsel-des-stromanbieters/
So funktioniert der Wechsel des Stromanbieters
200 yes 533 8
https://www.check24.net/so-setzt-sich-der-strompreis-zusammen/
So setzt sich der Strompreis zusammen
200 yes 420 8
https://www.check24.net/system/drucken/?print=agb
Allgemeine Geschäfts­bedingungen drucken
200 no 1915 2
https://www.check24.net/gasanbieter-vergleich/
CHECK24 - Kostenlos und risikolos den Gasanbieter wechseln und bis zu 500 Euro sparen
200 no 192 2
https://www.check24.net/strom-vergleich/
CHECK24 - einfach und schnell online den Stromanbieter wechseln
200 yes 192 2
https://www.check24.net/oekostrom-vergleich/
check24 - Ökostrom - Informationen zu erneuerbaren Energien und Ökostromtarifen
200 no 192 1

Audit your own site — free

157 checks, internal PageRank, render-diff. No signup, results in ~30s.

Scan your site →