65
SEO audit for renaturiert.org
Die Renaturierung der Diemel
Health 65/100 (fair) · 6 pages crawled · generated 2026-08-26
Download Markdown report (feed to ChatGPT / Claude / Cursor)Überblick über die Renaturierung der Diemel mit Ausgangslage, Maßnahmen, Ergebnissen und Möglichkeiten zur Beteiligung.
6
pages crawled
6
indexable pages
0
errors
22
warnings
35
notices
0
orphan pages
0
broken links
Category breakdown
| Category | Score | Errors | Warnings | Notices |
|---|---|---|---|---|
| Canonical | 70 | 0 | 6 | 0 |
| Performance | 70 | 0 | 6 | 11 |
| Agent Readiness | 80 | 0 | 4 | 2 |
| Images | 85 | 0 | 3 | 6 |
| Meta Description | 90 | 0 | 2 | 0 |
| Content | 95 | 0 | 1 | 1 |
| Headings | 100 | 0 | 0 | 1 |
| Robots | 100 | 0 | 0 | 1 |
| Security | 100 | 0 | 0 | 9 |
| Social | 100 | 0 | 0 | 4 |
Findings
Warnings (6 rules)
warning Control has no accessible name
Rule agent.control_no_name · Agent Readiness · 4 occurrence(s)
- https://diemel.renaturiert.org/ — 4 button/link(s) with no text or aria-label — an agent can't target them
- https://diemel.renaturiert.org/hinter-dem-projekt — 19 button/link(s) with no text or aria-label — an agent can't target them
- https://diemel.renaturiert.org/kontakt — 4 button/link(s) with no text or aria-label — an agent can't target them
- https://diemel.renaturiert.org/renaturierung — 12 button/link(s) with no text or aria-label — an agent can't target them
warning Missing canonical tag
Rule canonical.missing · Canonical · 6 occurrence(s)
warning Thin content (low word count)
Rule content.thin · Content · 1 occurrence(s)
- https://diemel.renaturiert.org/impressum — 144 words
warning Images missing alt text
Rule images.missing_alt · Images · 3 occurrence(s)
- https://diemel.renaturiert.org/ — 3 of 27 images missing alt
- https://diemel.renaturiert.org/hinter-dem-projekt — 1 of 39 images missing alt
- https://diemel.renaturiert.org/renaturierung — 14 of 74 images missing alt
warning Hero/LCP image is lazy-loaded (loading=lazy delays LCP)
Rule images.no_lazy_lcp_candidate · Performance · 6 occurrence(s)
- https://diemel.renaturiert.org/ — the likely hero/LCP image (251009_station-2_wv-flaeche-min.avif) 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://diemel.renaturiert.org/datenschutz — the likely hero/LCP image (251009_station-2_wv-flaeche-min.avif) 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://diemel.renaturiert.org/hinter-dem-projekt — the likely hero/LCP image (251009_station-2_wv-flaeche-min.avif) 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://diemel.renaturiert.org/impressum — the likely hero/LCP image (251009_station-2_wv-flaeche-min.avif) 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://diemel.renaturiert.org/kontakt — the likely hero/LCP image (251009_station-2_wv-flaeche-min.avif) 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://diemel.renaturiert.org/renaturierung — the likely hero/LCP image (251009_station-2_wv-flaeche-min.avif) 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 · 2 occurrence(s)
Notices (14 rules)
notice Heading levels skip a level
Rule agent.heading_skip · Agent Readiness · 1 occurrence(s)
- https://diemel.renaturiert.org/kontakt — h3 follows h1 — skips h2
notice No llms.txt for AI agents
Rule agent.llms_txt_missing · Agent Readiness · 1 occurrence(s)
- https://diemel.renaturiert.org/ — no llms.txt found at the site root — add one so AI agents get a curated site summary
notice Low text-to-HTML ratio
Rule content.low_ratio · Content · 1 occurrence(s)
notice Multiple <h1> elements
Rule h1.multiple · Headings · 1 occurrence(s)
- https://diemel.renaturiert.org/renaturierung — 2 <h1> elements
notice Images without width/height (layout shift / CLS)
Rule images.missing_dimensions · Images · 6 occurrence(s)
- https://diemel.renaturiert.org/ — 27 of 27 images without width/height
- https://diemel.renaturiert.org/datenschutz — 5 of 5 images without width/height
- https://diemel.renaturiert.org/hinter-dem-projekt — 39 of 39 images without width/height
- https://diemel.renaturiert.org/impressum — 5 of 5 images without width/height
- https://diemel.renaturiert.org/kontakt — 9 of 9 images without width/height
- https://diemel.renaturiert.org/renaturierung — 74 of 74 images without width/height
notice Missing Open Graph tags
Rule og.missing · Social · 2 occurrence(s)
- https://diemel.renaturiert.org/datenschutz — og:description
- https://diemel.renaturiert.org/impressum — og:description
notice Large DOM (over 1500 elements) slows rendering & interaction
Rule perf.dom_size_large · Performance · 1 occurrence(s)
- https://diemel.renaturiert.org/renaturierung — the page has 2511 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://diemel.renaturiert.org/ — 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://diemel.renaturiert.org/hinter-dem-projekt — 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://diemel.renaturiert.org/renaturierung — 14 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 Large HTML document
Rule perf.large_html · Performance · 1 occurrence(s)
notice No Last-Modified header (no conditional GET for unchanged pages)
Rule perf.no_last_modified · Performance · 6 occurrence(s)
- https://diemel.renaturiert.org/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- https://diemel.renaturiert.org/datenschutz — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- https://diemel.renaturiert.org/hinter-dem-projekt — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- https://diemel.renaturiert.org/impressum — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- https://diemel.renaturiert.org/kontakt — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- https://diemel.renaturiert.org/renaturierung — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
notice robots.txt missing (root returns 404/none)
Rule robots.txt_missing · Robots · 1 occurrence(s)
- https://diemel.renaturiert.org/ — robots.txt did not return a 200 at the site root — a healthy site should serve one (declare your sitemap and confirm the host serves root files)
notice Missing recommended security headers
Rule security.missing_headers · Security · 6 occurrence(s)
- https://diemel.renaturiert.org/ — CSP, X-Content-Type-Options
- https://diemel.renaturiert.org/datenschutz — CSP, X-Content-Type-Options
- https://diemel.renaturiert.org/hinter-dem-projekt — CSP, X-Content-Type-Options
- https://diemel.renaturiert.org/impressum — CSP, X-Content-Type-Options
- https://diemel.renaturiert.org/kontakt — CSP, X-Content-Type-Options
- https://diemel.renaturiert.org/renaturierung — CSP, X-Content-Type-Options
notice target=_blank link without rel=noopener (tab-napping)
Rule security.unsafe_cross_origin_links · Security · 3 occurrence(s)
- https://diemel.renaturiert.org/ — 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://diemel.renaturiert.org/hinter-dem-projekt — 28 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://diemel.renaturiert.org/renaturierung — 32 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 · 2 occurrence(s)
Pages (showing 6 of 6)
| URL | Status | Indexable | Words | In-links |
|---|---|---|---|---|
| https://diemel.renaturiert.org/ Die Renaturierung der Diemel |
200 | yes | 682 | 6 |
| https://diemel.renaturiert.org/datenschutz Datenschutzerklärung | Renaturierung der Diemel |
200 | yes | 608 | 6 |
| https://diemel.renaturiert.org/hinter-dem-projekt Hinter dem Projekt | Renaturierung der Diemel |
200 | yes | 713 | 6 |
| https://diemel.renaturiert.org/impressum Impressum | Renaturierung der Diemel |
200 | yes | 144 | 6 |
| https://diemel.renaturiert.org/kontakt Kontakt & Kooperation | Renaturierung der Diemel |
200 | yes | 335 | 6 |
| https://diemel.renaturiert.org/renaturierung Die Renaturierung im Detail | Renaturierung der Diemel |
200 | yes | 2174 | 6 |
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