SEO audit for marck21.es
Marck21
Health 65/100 (fair) · 6 pages crawled · generated 2026-08-26
Download Markdown report (feed to ChatGPT / Claude / Cursor)
| Category | Score | Errors | Warnings | Notices |
|---|---|---|---|---|
| Canonical | 70 | 0 | 6 | 0 |
| Content | 70 | 0 | 6 | 2 |
| Meta Description | 70 | 0 | 6 | 0 |
| Duplicate | 80 | 0 | 4 | 0 |
| Links | 90 | 0 | 2 | 1 |
| Crawlability | 95 | 0 | 1 | 0 |
| Headings | 95 | 0 | 1 | 0 |
| Agent Readiness | 100 | 0 | 0 | 6 |
| Cache | 100 | 0 | 0 | 6 |
| Performance | 100 | 0 | 0 | 12 |
| Security | 100 | 0 | 0 | 6 |
| Social | 100 | 0 | 0 | 12 |
| Structured Data | 100 | 0 | 0 | 6 |
| Titles | 100 | 0 | 0 | 1 |
| URL | 100 | 0 | 0 | 4 |
Warnings (7 rules)
warning Missing canonical tag
Rule canonical.missing · Canonical · 6 occurrence(s)
warning Thin content (low word count)
Rule content.thin · Content · 6 occurrence(s)
- https://marck21.es/ — 67 words
- https://marck21.es/Account/ForgotPassword — 78 words
- https://marck21.es/Account/Login — 83 words
- https://marck21.es/Account/Register — 84 words
- https://marck21.es/Account/Register?ReturnUrl=%2Fauth — 84 words
- https://marck21.es/auth — 83 words
warning Duplicate <title> across pages
Rule duplicate.title · Duplicate · 4 occurrence(s)
- https://marck21.es/Account/Login — title shared by 2 pages: https://marck21.es/auth
- https://marck21.es/Account/Register — title shared by 2 pages: https://marck21.es/Account/Register?ReturnUrl=%2Fauth
- https://marck21.es/Account/Register?ReturnUrl=%2Fauth — title shared by 2 pages: https://marck21.es/Account/Register
- https://marck21.es/auth — title shared by 2 pages: https://marck21.es/Account/Login
warning Internal link points to a redirect
Rule links.redirect_target · Links · 2 occurrence(s)
- https://marck21.es/ — https://marck21.es/auth → https://marck21.es/Account/Login?ReturnUrl=%2Fauth
- https://marck21.es/Account/Register?ReturnUrl=%2Fauth — https://marck21.es/Account/Login?ReturnUrl=%2Fauth → https://marck21.es/Account/Login?ReturnUrl=%2Fauth
warning Missing meta description
Rule meta_desc.missing · Meta Description · 6 occurrence(s)
warning Redirect chain (multiple hops)
Rule redirect.chain · Crawlability · 1 occurrence(s)
- https://marck21.es/auth — 2 hops ending at https://marck21.es/Account/Login?ReturnUrl=%2Fauth
Notices (13 rules)
notice No llms.txt for AI agents
Rule agent.llms_txt_missing · Agent Readiness · 1 occurrence(s)
- https://marck21.es/ — no llms.txt found at the site root — add one so AI agents get a curated site summary
notice No main landmark for AI agents
Rule agent.no_main_landmark · Agent Readiness · 5 occurrence(s)
- https://marck21.es/Account/ForgotPassword — add a <main> element (or role=main) around the primary content
- https://marck21.es/Account/Login — add a <main> element (or role=main) around the primary content
- https://marck21.es/Account/Register — add a <main> element (or role=main) around the primary content
- https://marck21.es/Account/Register?ReturnUrl=%2Fauth — add a <main> element (or role=main) around the primary content
- https://marck21.es/auth — add a <main> element (or role=main) around the primary content
notice Page served uncached (no-store/private or CDN bypass)
Rule cache.not_cacheable · Cache · 6 occurrence(s)
- https://marck21.es/ — Cache-Control: no-cache, no-store, max-age=0 · cloudflare: DYNAMIC
- https://marck21.es/Account/ForgotPassword — Cache-Control: no-cache, no-store · cloudflare: DYNAMIC
- https://marck21.es/Account/Login — Cache-Control: no-cache,no-store · cloudflare: DYNAMIC
- https://marck21.es/Account/Register — Cache-Control: no-cache, no-store · cloudflare: DYNAMIC
- https://marck21.es/Account/Register?ReturnUrl=%2Fauth — Cache-Control: no-cache, no-store · cloudflare: DYNAMIC
- https://marck21.es/auth — Cache-Control: no-cache,no-store · cloudflare: DYNAMIC
notice Low text-to-HTML ratio
Rule content.low_ratio · Content · 2 occurrence(s)
notice Page has only one internal inlink (fragile crawl path)
Rule links.single_inlink · Links · 1 occurrence(s)
- https://marck21.es/Account/Register?ReturnUrl=%2Fauth — only one internal link points here — if that source changes, this page becomes an orphan. Add more contextual internal links to strengthen the crawl path.
notice Missing Open Graph tags
Rule og.missing · Social · 6 occurrence(s)
- https://marck21.es/ — og:title, og:description, og:image
- https://marck21.es/Account/ForgotPassword — og:title, og:description, og:image
- https://marck21.es/Account/Login — og:title, og:description, og:image
- https://marck21.es/Account/Register — og:title, og:description, og:image
- https://marck21.es/Account/Register?ReturnUrl=%2Fauth — og:title, og:description, og:image
- https://marck21.es/auth — og:title, og:description, og:image
notice No ETag header (no conditional GET for unchanged pages)
Rule perf.no_etag · Performance · 6 occurrence(s)
- https://marck21.es/ — 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://marck21.es/Account/ForgotPassword — 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://marck21.es/Account/Login — 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://marck21.es/Account/Register — 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://marck21.es/Account/Register?ReturnUrl=%2Fauth — 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://marck21.es/auth — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
notice No Last-Modified header (no conditional GET for unchanged pages)
Rule perf.no_last_modified · Performance · 6 occurrence(s)
- https://marck21.es/ — 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://marck21.es/Account/ForgotPassword — 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://marck21.es/Account/Login — 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://marck21.es/Account/Register — 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://marck21.es/Account/Register?ReturnUrl=%2Fauth — 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://marck21.es/auth — 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 No structured data detected
Rule schema.none · Structured Data · 6 occurrence(s)
notice Missing recommended security headers
Rule security.missing_headers · Security · 6 occurrence(s)
- https://marck21.es/ — HSTS, X-Content-Type-Options
- https://marck21.es/Account/ForgotPassword — HSTS, X-Content-Type-Options
- https://marck21.es/Account/Login — HSTS, X-Content-Type-Options
- https://marck21.es/Account/Register — X-Content-Type-Options, HSTS
- https://marck21.es/Account/Register?ReturnUrl=%2Fauth — HSTS, X-Content-Type-Options
- https://marck21.es/auth — X-Content-Type-Options, HSTS
notice Title is very short
Rule title.too_short · Titles · 1 occurrence(s)
- https://marck21.es/ — 7 chars
notice Missing Twitter Card tag
Rule twitter.missing · Social · 6 occurrence(s)
notice Uppercase letters in URL path
Rule url.uppercase · URL · 4 occurrence(s)
| URL | Status | Indexable | Words | In-links |
|---|---|---|---|---|
| https://marck21.es/ Marck21 |
200 | yes | 67 | 6 |
| https://marck21.es/Account/Login Log in - Marck21 |
200 | yes | 83 | 3 |
| https://marck21.es/Account/Register Sign Up - Marck21 |
200 | yes | 84 | 2 |
| https://marck21.es/auth Log in - Marck21 |
200 | yes | 83 | 2 |
| https://marck21.es/Account/ForgotPassword Forgot Password - Marck21 |
200 | yes | 78 | 2 |
| https://marck21.es/Account/Register?ReturnUrl=%2Fauth Sign Up - Marck21 |
200 | yes | 84 | 1 |
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