65
SEO audit for isup.cz
Daně a účetnictví - iSUP
Health 65/100 (fair) · 5 pages crawled · generated 2026-08-26
Download Markdown report (feed to ChatGPT / Claude / Cursor)
5
pages crawled
5
indexable pages
0
errors
21
warnings
66
notices
0
orphan pages
0
broken links
Category breakdown
| Category | Score | Errors | Warnings | Notices |
|---|---|---|---|---|
| Agent Readiness | 70 | 0 | 5 | 0 |
| Meta Description | 70 | 0 | 5 | 0 |
| Performance | 70 | 0 | 5 | 20 |
| Canonical | 76 | 0 | 4 | 4 |
| Content | 88 | 0 | 2 | 6 |
| Images | 100 | 0 | 0 | 5 |
| Links | 100 | 0 | 0 | 5 |
| Mobile | 100 | 0 | 0 | 5 |
| Security | 100 | 0 | 0 | 5 |
| Sitemap | 100 | 0 | 0 | 1 |
| Social | 100 | 0 | 0 | 10 |
| Structured Data | 100 | 0 | 0 | 5 |
Findings
Warnings (6 rules)
warning Control has no accessible name
Rule agent.control_no_name · Agent Readiness · 5 occurrence(s)
- https://isup.cz/ — 1 button/link(s) with no text or aria-label — an agent can't target them
- https://isup.cz/cenik — 1 button/link(s) with no text or aria-label — an agent can't target them
- https://isup.cz/gdpr — 1 button/link(s) with no text or aria-label — an agent can't target them
- https://isup.cz/kontakt — 1 button/link(s) with no text or aria-label — an agent can't target them
- https://isup.cz/sluzby — 1 button/link(s) with no text or aria-label — an agent can't target them
warning Interior page canonicalizes to the homepage
Rule canonical.points_to_homepage · Canonical · 4 occurrence(s)
- https://isup.cz/cenik — this interior page canonicalizes to the homepage (https://isup.cz/) — Google will treat the homepage as authoritative and drop this page from search. Point the canonical at the page's own URL.
- https://isup.cz/gdpr — this interior page canonicalizes to the homepage (https://isup.cz/) — Google will treat the homepage as authoritative and drop this page from search. Point the canonical at the page's own URL.
- https://isup.cz/kontakt — this interior page canonicalizes to the homepage (https://isup.cz/) — Google will treat the homepage as authoritative and drop this page from search. Point the canonical at the page's own URL.
- https://isup.cz/sluzby — this interior page canonicalizes to the homepage (https://isup.cz/) — Google will treat the homepage as authoritative and drop this page from search. Point the canonical at the page's own URL.
warning Lorem-ipsum placeholder text in a live page
Rule content.lorem_ipsum · Content · 1 occurrence(s)
- https://isup.cz/gdpr — the page body contains "lorem ipsum" placeholder text — replace it with real content or noindex the page until it's finished
warning Thin content (low word count)
Rule content.thin · Content · 1 occurrence(s)
- https://isup.cz/kontakt — 171 words
warning Missing meta description
Rule meta_desc.missing · Meta Description · 5 occurrence(s)
warning Render-blocking script in <head> (no defer/async)
Rule perf.render_blocking · Performance · 5 occurrence(s)
- https://isup.cz/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://isup.cz/cenik — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://isup.cz/gdpr — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://isup.cz/kontakt — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://isup.cz/sluzby — 2 render-blocking <script> in <head> (add defer/async or use type=module)
Notices (15 rules)
notice Canonical points to a different URL
Rule canonical.non_self · Canonical · 4 occurrence(s)
- https://isup.cz/cenik — canonical=https://isup.cz/
- https://isup.cz/gdpr — canonical=https://isup.cz/
- https://isup.cz/kontakt — canonical=https://isup.cz/
- https://isup.cz/sluzby — canonical=https://isup.cz/
notice Main text is hard to read (low Flesch Reading Ease)
Rule content.readability_poor · Content · 1 occurrence(s)
- https://isup.cz/gdpr — this page reads as difficult (Flesch Reading Ease 37, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
notice Missing html lang attribute
Rule i18n.lang_missing · Mobile · 5 occurrence(s)
notice Likely hero image lacks fetchpriority=high
Rule images.hero_no_fetchpriority · Performance · 5 occurrence(s)
- https://isup.cz/ — the likely hero/LCP image (logo.png) 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://isup.cz/cenik — the likely hero/LCP image (logo.png) 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://isup.cz/gdpr — the likely hero/LCP image (logo.png) 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://isup.cz/kontakt — the likely hero/LCP image (logo.png) 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://isup.cz/sluzby — the likely hero/LCP image (logo.png) 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 · 5 occurrence(s)
- https://isup.cz/ — 1 of 1 images without width/height
- https://isup.cz/cenik — 1 of 1 images without width/height
- https://isup.cz/gdpr — 1 of 1 images without width/height
- https://isup.cz/kontakt — 1 of 1 images without width/height
- https://isup.cz/sluzby — 1 of 1 images without width/height
notice Internal link has no anchor text / accessible name
Rule links.no_anchor_text · Links · 5 occurrence(s)
- https://isup.cz/ — 1 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://isup.cz/cenik — 1 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://isup.cz/gdpr — 1 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://isup.cz/kontakt — 1 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://isup.cz/sluzby — 1 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 Legacy <meta name=keywords> tag present (Google ignores it)
Rule meta.keywords_present · Content · 5 occurrence(s)
- https://isup.cz/ — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- https://isup.cz/cenik — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- https://isup.cz/gdpr — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- https://isup.cz/kontakt — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- https://isup.cz/sluzby — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
notice Missing Open Graph tags
Rule og.missing · Social · 5 occurrence(s)
- https://isup.cz/ — og:description
- https://isup.cz/cenik — og:description
- https://isup.cz/gdpr — og:description
- https://isup.cz/kontakt — og:description
- https://isup.cz/sluzby — og:description
notice Legacy image format (jpg/png/gif) with no next-gen fallback
Rule perf.images_legacy_format · Performance · 5 occurrence(s)
- https://isup.cz/ — 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://isup.cz/cenik — 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://isup.cz/gdpr — 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://isup.cz/kontakt — 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://isup.cz/sluzby — 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 · 5 occurrence(s)
- https://isup.cz/ — 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://isup.cz/cenik — 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://isup.cz/gdpr — 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://isup.cz/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://isup.cz/sluzby — 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 · 5 occurrence(s)
- https://isup.cz/ — 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://isup.cz/cenik — 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://isup.cz/gdpr — 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://isup.cz/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://isup.cz/sluzby — 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 · 5 occurrence(s)
notice Missing recommended security headers
Rule security.missing_headers · Security · 5 occurrence(s)
- https://isup.cz/ — HSTS, CSP, X-Content-Type-Options
- https://isup.cz/cenik — HSTS, CSP, X-Content-Type-Options
- https://isup.cz/gdpr — HSTS, CSP, X-Content-Type-Options
- https://isup.cz/kontakt — HSTS, CSP, X-Content-Type-Options
- https://isup.cz/sluzby — HSTS, CSP, X-Content-Type-Options
notice Indexable page not listed in sitemap
Rule sitemap.orphan_not_listed · Sitemap · 1 occurrence(s)
- https://isup.cz/ — indexable but not in sitemap
notice Missing Twitter Card tag
Rule twitter.missing · Social · 5 occurrence(s)
Pages (showing 5 of 5)
| URL | Status | Indexable | Words | In-links |
|---|---|---|---|---|
| https://isup.cz/ Daně a účetnictví - iSUP |
200 | yes | 271 | 5 |
| https://isup.cz/cenik Ceník - Daně a účetnictví - iSUP |
200 | yes | 272 | 5 |
| https://isup.cz/gdpr Ochrana osobních údajů - Daně a účetnictví - iSUP |
200 | yes | 353 | 5 |
| https://isup.cz/kontakt Kontakt - Daně a účetnictví - iSUP |
200 | yes | 171 | 5 |
| https://isup.cz/sluzby Služby - Daně a účetnictví - iSUP |
200 | yes | 532 | 5 |
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