Catalog / instalsystem.cz
65

SEO audit for instalsystem.cz

INSTAL system Praha s.r.o.

saas

Health 65/100 (fair) · 50 pages crawled · generated 2026-08-26

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

Jsme společnost zajišťující instalaci tepelné a chladící techniky, vodovody a kanalizace. Specializujeme se na realizace developerských projektů v bytové výstavbě, administrativních budovách a halách.…

Screenshot of instalsystem.cz
50
pages crawled
35
indexable pages
0
errors
233
warnings
424
notices
0
orphan pages
0
broken links
Category breakdown
CategoryScoreErrorsWarningsNotices
Budget 40 0 100 0
Performance 66 0 56 73
Canonical 79 0 35 0
Content 80 0 33 0
Duplicate 97 0 5 14
Agent Readiness 98 0 3 36
Links 99 0 1 35
Cache 100 0 0 35
Crawlability 100 0 0 15
Images 100 0 0 24
Meta Description 100 0 0 15
Security 100 0 0 70
Sitemap 100 0 0 1
Social 100 0 0 70
Structured Data 100 0 0 35
URL 100 0 0 1
Findings

Warnings (8 rules)

warning Control has no accessible name

Rule agent.control_no_name · Agent Readiness · 3 occurrence(s)

warning robots.txt-disallowed URL receives internal links (crawl-budget leak)

Rule budget.disallow_linked · Budget · 100 occurrence(s)

  • https://www.instalsystem.cz/?do=cookiesConfirmation-acceptAll — internal links point to https://www.instalsystem.cz/?do=cookiesConfirmation-acceptAll, which robots.txt disallows for Googlebot — Googlebot discovers the URL, checks robots, then rejects it without indexing, wasting crawl budget and losing the link equity. Remove the internal links, or use noindex instead of Disallow if the page should be fetchable. Linked from: https://www.instalsystem.cz/.
  • https://www.instalsystem.cz/?do=cookiesConfirmation-onlyNecessary — internal links point to https://www.instalsystem.cz/?do=cookiesConfirmation-onlyNecessary, which robots.txt disallows for Googlebot — Googlebot discovers the URL, checks robots, then rejects it without indexing, wasting crawl budget and losing the link equity. Remove the internal links, or use noindex instead of Disallow if the page should be fetchable. Linked from: https://www.instalsystem.cz/.
  • https://www.instalsystem.cz/?do=cookiesConfirmation-openSettings — internal links point to https://www.instalsystem.cz/?do=cookiesConfirmation-openSettings, which robots.txt disallows for Googlebot — Googlebot discovers the URL, checks robots, then rejects it without indexing, wasting crawl budget and losing the link equity. Remove the internal links, or use noindex instead of Disallow if the page should be fetchable. Linked from: https://www.instalsystem.cz/.
  • https://www.instalsystem.cz/kanalizace?do=cookiesConfirmation-acceptAll — internal links point to https://www.instalsystem.cz/kanalizace?do=cookiesConfirmation-acceptAll, which robots.txt disallows for Googlebot — Googlebot discovers the URL, checks robots, then rejects it without indexing, wasting crawl budget and losing the link equity. Remove the internal links, or use noindex instead of Disallow if the page should be fetchable. Linked from: https://www.instalsystem.cz/kanalizace.
  • https://www.instalsystem.cz/kanalizace?do=cookiesConfirmation-onlyNecessary — internal links point to https://www.instalsystem.cz/kanalizace?do=cookiesConfirmation-onlyNecessary, which robots.txt disallows for Googlebot — Googlebot discovers the URL, checks robots, then rejects it without indexing, wasting crawl budget and losing the link equity. Remove the internal links, or use noindex instead of Disallow if the page should be fetchable. Linked from: https://www.instalsystem.cz/kanalizace.
  • https://www.instalsystem.cz/kanalizace?do=cookiesConfirmation-openSettings — internal links point to https://www.instalsystem.cz/kanalizace?do=cookiesConfirmation-openSettings, which robots.txt disallows for Googlebot — Googlebot discovers the URL, checks robots, then rejects it without indexing, wasting crawl budget and losing the link equity. Remove the internal links, or use noindex instead of Disallow if the page should be fetchable. Linked from: https://www.instalsystem.cz/kanalizace.
  • https://www.instalsystem.cz/kontakty?do=cookiesConfirmation-acceptAll — internal links point to https://www.instalsystem.cz/kontakty?do=cookiesConfirmation-acceptAll, which robots.txt disallows for Googlebot — Googlebot discovers the URL, checks robots, then rejects it without indexing, wasting crawl budget and losing the link equity. Remove the internal links, or use noindex instead of Disallow if the page should be fetchable. Linked from: https://www.instalsystem.cz/kontakty.
  • https://www.instalsystem.cz/kontakty?do=cookiesConfirmation-onlyNecessary — internal links point to https://www.instalsystem.cz/kontakty?do=cookiesConfirmation-onlyNecessary, which robots.txt disallows for Googlebot — Googlebot discovers the URL, checks robots, then rejects it without indexing, wasting crawl budget and losing the link equity. Remove the internal links, or use noindex instead of Disallow if the page should be fetchable. Linked from: https://www.instalsystem.cz/kontakty.
  • https://www.instalsystem.cz/kontakty?do=cookiesConfirmation-openSettings — internal links point to https://www.instalsystem.cz/kontakty?do=cookiesConfirmation-openSettings, which robots.txt disallows for Googlebot — Googlebot discovers the URL, checks robots, then rejects it without indexing, wasting crawl budget and losing the link equity. Remove the internal links, or use noindex instead of Disallow if the page should be fetchable. Linked from: https://www.instalsystem.cz/kontakty.
  • https://www.instalsystem.cz/kontakty?type=registry&action=personalDataProcessing — internal links point to https://www.instalsystem.cz/kontakty?type=registry&action=personalDataProcessing, which robots.txt disallows for Googlebot — Googlebot discovers the URL, checks robots, then rejects it without indexing, wasting crawl budget and losing the link equity. Remove the internal links, or use noindex instead of Disallow if the page should be fetchable. Linked from: https://www.instalsystem.cz/kontakty.
  • https://www.instalsystem.cz/kotelny?do=cookiesConfirmation-acceptAll — internal links point to https://www.instalsystem.cz/kotelny?do=cookiesConfirmation-acceptAll, which robots.txt disallows for Googlebot — Googlebot discovers the URL, checks robots, then rejects it without indexing, wasting crawl budget and losing the link equity. Remove the internal links, or use noindex instead of Disallow if the page should be fetchable. Linked from: https://www.instalsystem.cz/kotelny.
  • https://www.instalsystem.cz/kotelny?do=cookiesConfirmation-onlyNecessary — internal links point to https://www.instalsystem.cz/kotelny?do=cookiesConfirmation-onlyNecessary, which robots.txt disallows for Googlebot — Googlebot discovers the URL, checks robots, then rejects it without indexing, wasting crawl budget and losing the link equity. Remove the internal links, or use noindex instead of Disallow if the page should be fetchable. Linked from: https://www.instalsystem.cz/kotelny.
  • https://www.instalsystem.cz/kotelny?do=cookiesConfirmation-openSettings — internal links point to https://www.instalsystem.cz/kotelny?do=cookiesConfirmation-openSettings, which robots.txt disallows for Googlebot — Googlebot discovers the URL, checks robots, then rejects it without indexing, wasting crawl budget and losing the link equity. Remove the internal links, or use noindex instead of Disallow if the page should be fetchable. Linked from: https://www.instalsystem.cz/kotelny.
  • https://www.instalsystem.cz/plyn?do=cookiesConfirmation-acceptAll — internal links point to https://www.instalsystem.cz/plyn?do=cookiesConfirmation-acceptAll, which robots.txt disallows for Googlebot — Googlebot discovers the URL, checks robots, then rejects it without indexing, wasting crawl budget and losing the link equity. Remove the internal links, or use noindex instead of Disallow if the page should be fetchable. Linked from: https://www.instalsystem.cz/plyn.
  • https://www.instalsystem.cz/plyn?do=cookiesConfirmation-onlyNecessary — internal links point to https://www.instalsystem.cz/plyn?do=cookiesConfirmation-onlyNecessary, which robots.txt disallows for Googlebot — Googlebot discovers the URL, checks robots, then rejects it without indexing, wasting crawl budget and losing the link equity. Remove the internal links, or use noindex instead of Disallow if the page should be fetchable. Linked from: https://www.instalsystem.cz/plyn.
  • https://www.instalsystem.cz/plyn?do=cookiesConfirmation-openSettings — internal links point to https://www.instalsystem.cz/plyn?do=cookiesConfirmation-openSettings, which robots.txt disallows for Googlebot — Googlebot discovers the URL, checks robots, then rejects it without indexing, wasting crawl budget and losing the link equity. Remove the internal links, or use noindex instead of Disallow if the page should be fetchable. Linked from: https://www.instalsystem.cz/plyn.
  • https://www.instalsystem.cz/sluzby?do=cookiesConfirmation-acceptAll — internal links point to https://www.instalsystem.cz/sluzby?do=cookiesConfirmation-acceptAll, which robots.txt disallows for Googlebot — Googlebot discovers the URL, checks robots, then rejects it without indexing, wasting crawl budget and losing the link equity. Remove the internal links, or use noindex instead of Disallow if the page should be fetchable. Linked from: https://www.instalsystem.cz/sluzby.
  • https://www.instalsystem.cz/sluzby?do=cookiesConfirmation-onlyNecessary — internal links point to https://www.instalsystem.cz/sluzby?do=cookiesConfirmation-onlyNecessary, which robots.txt disallows for Googlebot — Googlebot discovers the URL, checks robots, then rejects it without indexing, wasting crawl budget and losing the link equity. Remove the internal links, or use noindex instead of Disallow if the page should be fetchable. Linked from: https://www.instalsystem.cz/sluzby.
  • https://www.instalsystem.cz/sluzby?do=cookiesConfirmation-openSettings — internal links point to https://www.instalsystem.cz/sluzby?do=cookiesConfirmation-openSettings, which robots.txt disallows for Googlebot — Googlebot discovers the URL, checks robots, then rejects it without indexing, wasting crawl budget and losing the link equity. Remove the internal links, or use noindex instead of Disallow if the page should be fetchable. Linked from: https://www.instalsystem.cz/sluzby.
  • https://www.instalsystem.cz/topeni?do=cookiesConfirmation-acceptAll — internal links point to https://www.instalsystem.cz/topeni?do=cookiesConfirmation-acceptAll, which robots.txt disallows for Googlebot — Googlebot discovers the URL, checks robots, then rejects it without indexing, wasting crawl budget and losing the link equity. Remove the internal links, or use noindex instead of Disallow if the page should be fetchable. Linked from: https://www.instalsystem.cz/topeni.
  • https://www.instalsystem.cz/topeni?do=cookiesConfirmation-onlyNecessary — internal links point to https://www.instalsystem.cz/topeni?do=cookiesConfirmation-onlyNecessary, which robots.txt disallows for Googlebot — Googlebot discovers the URL, checks robots, then rejects it without indexing, wasting crawl budget and losing the link equity. Remove the internal links, or use noindex instead of Disallow if the page should be fetchable. Linked from: https://www.instalsystem.cz/topeni.
  • https://www.instalsystem.cz/topeni?do=cookiesConfirmation-openSettings — internal links point to https://www.instalsystem.cz/topeni?do=cookiesConfirmation-openSettings, which robots.txt disallows for Googlebot — Googlebot discovers the URL, checks robots, then rejects it without indexing, wasting crawl budget and losing the link equity. Remove the internal links, or use noindex instead of Disallow if the page should be fetchable. Linked from: https://www.instalsystem.cz/topeni.
  • https://www.instalsystem.cz/voda?do=cookiesConfirmation-acceptAll — internal links point to https://www.instalsystem.cz/voda?do=cookiesConfirmation-acceptAll, which robots.txt disallows for Googlebot — Googlebot discovers the URL, checks robots, then rejects it without indexing, wasting crawl budget and losing the link equity. Remove the internal links, or use noindex instead of Disallow if the page should be fetchable. Linked from: https://www.instalsystem.cz/voda.
  • https://www.instalsystem.cz/voda?do=cookiesConfirmation-onlyNecessary — internal links point to https://www.instalsystem.cz/voda?do=cookiesConfirmation-onlyNecessary, which robots.txt disallows for Googlebot — Googlebot discovers the URL, checks robots, then rejects it without indexing, wasting crawl budget and losing the link equity. Remove the internal links, or use noindex instead of Disallow if the page should be fetchable. Linked from: https://www.instalsystem.cz/voda.
  • https://www.instalsystem.cz/voda?do=cookiesConfirmation-openSettings — internal links point to https://www.instalsystem.cz/voda?do=cookiesConfirmation-openSettings, which robots.txt disallows for Googlebot — Googlebot discovers the URL, checks robots, then rejects it without indexing, wasting crawl budget and losing the link equity. Remove the internal links, or use noindex instead of Disallow if the page should be fetchable. Linked from: https://www.instalsystem.cz/voda.

warning Missing canonical tag

Rule canonical.missing · Canonical · 35 occurrence(s)

warning Thin content (low word count)

Rule content.thin · Content · 33 occurrence(s)

warning Duplicate <title> across pages

Rule duplicate.title · Duplicate · 5 occurrence(s)

warning Hero/LCP image is lazy-loaded (loading=lazy delays LCP)

Rule images.no_lazy_lcp_candidate · Performance · 21 occurrence(s)

  • https://www.instalsystem.cz/realizace/ahoj-vanguard — the likely hero/LCP image (image.php) 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://www.instalsystem.cz/realizace/block-karlin — the likely hero/LCP image (image.php) 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://www.instalsystem.cz/realizace/britska-ctvrt-j3-j4 — the likely hero/LCP image (image.php) 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://www.instalsystem.cz/realizace/ekorezidence-hodkovicky — the likely hero/LCP image (image.php) 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://www.instalsystem.cz/realizace/kaskady-barrandov-xy — the likely hero/LCP image (image.php) 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://www.instalsystem.cz/realizace/letnanske-zahrady-hijk — the likely hero/LCP image (image.php) 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://www.instalsystem.cz/realizace/libensky-park-ab — the likely hero/LCP image (image.php) 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://www.instalsystem.cz/realizace/lidl-mnichovo-hradiste — the likely hero/LCP image (image.php) 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://www.instalsystem.cz/realizace/lidl-praha-tupolevova — the likely hero/LCP image (image.php) 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://www.instalsystem.cz/realizace/maly-haj-f1f2 — the likely hero/LCP image (image.php) 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://www.instalsystem.cz/realizace/nad-krocinkou-b1-b2 — the likely hero/LCP image (image.php) 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://www.instalsystem.cz/realizace/nad-krocinkou-b3-b4 — the likely hero/LCP image (image.php) 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://www.instalsystem.cz/realizace/nova-elektra — the likely hero/LCP image (image.php) 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://www.instalsystem.cz/realizace/polyfunkcni-dum-harfa — the likely hero/LCP image (image.php) 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://www.instalsystem.cz/realizace/prague-marina-nova — the likely hero/LCP image (image.php) 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://www.instalsystem.cz/realizace/prezletice-zlaty-kopec-g2 — the likely hero/LCP image (image.php) 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://www.instalsystem.cz/realizace/ranta-barrandov-h — the likely hero/LCP image (image.php) 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://www.instalsystem.cz/realizace/rezidence-zahalka-ab — the likely hero/LCP image (image.php) 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://www.instalsystem.cz/realizace/rezidence-zahalka-ce — the likely hero/LCP image (image.php) 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://www.instalsystem.cz/realizace/vanguard-xs-spodni-stavba — the likely hero/LCP image (image.php) 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://www.instalsystem.cz/realizace/zlaty-kopec-g1 — the likely hero/LCP image (image.php) 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 Internal link points to a redirect

Rule links.redirect_target · Links · 1 occurrence(s)

warning Render-blocking script in <head> (no defer/async)

Rule perf.render_blocking · Performance · 35 occurrence(s)

Notices (19 rules)

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 · 35 occurrence(s)

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

Rule cache.not_cacheable · Cache · 35 occurrence(s)

notice Duplicate meta description across pages

Rule duplicate.meta_desc · Duplicate · 14 occurrence(s)

notice Image filename is generic/auto-generated (missed image-search signal)

Rule images.generic_filename · Images · 24 occurrence(s)

notice Likely hero image lacks fetchpriority=high

Rule images.hero_no_fetchpriority · Performance · 3 occurrence(s)

notice Internal link has no anchor text / accessible name

Rule links.no_anchor_text · Links · 35 occurrence(s)

notice Meta description too long

Rule meta_desc.too_long · Meta Description · 15 occurrence(s)

notice Missing Open Graph tags

Rule og.missing · Social · 35 occurrence(s)

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

Rule perf.no_etag · Performance · 35 occurrence(s)

  • https://www.instalsystem.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://www.instalsystem.cz/chlazeni — 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.instalsystem.cz/kanalizace — 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.instalsystem.cz/kontakty — 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.instalsystem.cz/kotelny — 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.instalsystem.cz/mapa-stranek — 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.instalsystem.cz/o-nas — 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.instalsystem.cz/plyn — 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.instalsystem.cz/realizace — 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.instalsystem.cz/realizace/britska-ctvrt-j3-j4 — 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.instalsystem.cz/realizace/ekorezidence-hodkovicky — 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.instalsystem.cz/realizace/letnanske-zahrady-hijk — 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.instalsystem.cz/realizace/libensky-park-ab — 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.instalsystem.cz/realizace/lidl-mnichovo-hradiste — 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.instalsystem.cz/realizace/lidl-mnichovo-hradiste?tagsRenderer-tag=Dokon%C4%8Den%C3%A9&do=tagsRenderer-filterTag — 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.instalsystem.cz/realizace/lidl-praha-tupolevova — 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.instalsystem.cz/realizace/maly-haj-f1f2 — 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.instalsystem.cz/realizace/polyfunkcni-dum-harfa — 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.instalsystem.cz/realizace/prague-marina-nova — 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.instalsystem.cz/realizace/ranta-barrandov-h — 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.instalsystem.cz/realizace/rezidence-zahalka-ce — 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.instalsystem.cz/realizace?paginator-page=2 — 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.instalsystem.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.
  • https://www.instalsystem.cz/topeni — 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.instalsystem.cz/voda — 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 · 35 occurrence(s)

  • https://www.instalsystem.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://www.instalsystem.cz/chlazeni — 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://www.instalsystem.cz/kanalizace — 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://www.instalsystem.cz/kontakty — 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://www.instalsystem.cz/kotelny — 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://www.instalsystem.cz/mapa-stranek — 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://www.instalsystem.cz/o-nas — 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://www.instalsystem.cz/plyn — 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://www.instalsystem.cz/realizace — 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://www.instalsystem.cz/realizace/britska-ctvrt-j3-j4 — 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://www.instalsystem.cz/realizace/ekorezidence-hodkovicky — 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://www.instalsystem.cz/realizace/letnanske-zahrady-hijk — 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://www.instalsystem.cz/realizace/libensky-park-ab — 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://www.instalsystem.cz/realizace/lidl-mnichovo-hradiste — 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://www.instalsystem.cz/realizace/lidl-mnichovo-hradiste?tagsRenderer-tag=Dokon%C4%8Den%C3%A9&do=tagsRenderer-filterTag — 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://www.instalsystem.cz/realizace/lidl-praha-tupolevova — 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://www.instalsystem.cz/realizace/maly-haj-f1f2 — 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://www.instalsystem.cz/realizace/polyfunkcni-dum-harfa — 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://www.instalsystem.cz/realizace/prague-marina-nova — 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://www.instalsystem.cz/realizace/ranta-barrandov-h — 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://www.instalsystem.cz/realizace/rezidence-zahalka-ce — 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://www.instalsystem.cz/realizace?paginator-page=2 — 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://www.instalsystem.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.
  • https://www.instalsystem.cz/topeni — 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://www.instalsystem.cz/voda — 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 URL redirects to another URL

Rule redirect.single · Crawlability · 1 occurrence(s)

notice Blocked by robots.txt

Rule robots.blocked · Crawlability · 14 occurrence(s)

notice No structured data detected

Rule schema.none · Structured Data · 35 occurrence(s)

notice Missing recommended security headers

Rule security.missing_headers · Security · 35 occurrence(s)

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

Rule security.unsafe_cross_origin_links · Security · 35 occurrence(s)

notice Indexable page not listed in sitemap

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

notice Missing Twitter Card tag

Rule twitter.missing · Social · 35 occurrence(s)

notice URL is very long

Rule url.too_long · URL · 1 occurrence(s)

Pages (showing 50 of 50)
URLStatusIndexableWordsIn-links
https://www.instalsystem.cz/
INSTAL system Praha s.r.o.		 200 yes 272 35
https://www.instalsystem.cz/chlazeni
Chlazení | INSTAL systém Praha s.r.o.		 200 yes 136 35
https://www.instalsystem.cz/kanalizace
Kanalizace | INSTAL systém Praha s.r.o.		 200 yes 157 35
https://www.instalsystem.cz/kontakty
Kontakty | INSTAL systém Praha s.r.o.		 200 yes 169 35
https://www.instalsystem.cz/kotelny
Kotelny | INSTAL systém Praha s.r.o.		 200 yes 138 35
https://www.instalsystem.cz/mapa-stranek
Mapa stránek | INSTAL systém Praha s.r.o.		 200 yes 112 35
https://www.instalsystem.cz/o-nas
INSTAL system Praha s.r.o.		 200 yes 317 35
https://www.instalsystem.cz/plyn
Plyn | INSTAL systém Praha s.r.o.		 200 yes 126 35
https://www.instalsystem.cz/realizace
Realizace | INSTAL systém Praha s.r.o.		 200 yes 147 35
https://www.instalsystem.cz/sluzby
Služby | INSTAL systém Praha s.r.o.		 200 yes 104 35
https://www.instalsystem.cz/topeni
Topení | INSTAL systém Praha s.r.o.		 200 yes 157 35
https://www.instalsystem.cz/voda
Voda | INSTAL systém Praha s.r.o.		 200 yes 150 35
https://www.instalsystem.cz/realizace/ahoj-vanguard
AHOJ VANGUARD | INSTAL system Praha s.r.o.		 200 yes 124 3
https://www.instalsystem.cz/realizace/nova-elektra
NOVÁ ELEKTRA | INSTAL system Praha s.r.o.		 200 yes 130 3
https://www.instalsystem.cz/realizace/vanguard-xs-spodni-stavba
Vanguard XS ( spodní stavba ) | INSTAL system Praha s.r.o.		 200 yes 138 3
https://www.instalsystem.cz/realizace?paginator-page=2
Realizace | INSTAL systém Praha s.r.o.		 200 yes 144 2
https://www.instalsystem.cz/realizace/nad-krocinkou-b1-b2
Nad Krocínkou B1,B2 | INSTAL system Praha s.r.o.		 200 yes 142 2
https://www.instalsystem.cz/realizace/nad-krocinkou-b3-b4
Nad Krocínkou B3-B4 | INSTAL system Praha s.r.o.		 200 yes 134 1
https://www.instalsystem.cz/realizace/prezletice-zlaty-kopec-g2
Přezletice Zlatý kopec G2 | INSTAL system Praha s.r.o.		 200 yes 138 1
https://www.instalsystem.cz/realizace/block-karlin
Block Karlín | INSTAL system Praha s.r.o.		 200 yes 129 2
https://www.instalsystem.cz/realizace/kaskady-barrandov-xy
Kaskády Barrandov X,Y | INSTAL system Praha s.r.o.		 200 yes 135 2
https://www.instalsystem.cz/realizace/prague-marina-nova
Prague Marina Nova | INSTAL system Praha s.r.o.		 200 yes 139 2
https://www.instalsystem.cz/realizace/rezidence-zahalka-ab
Rezidence Zahálka A,B | INSTAL system Praha s.r.o.		 200 yes 138 2
https://www.instalsystem.cz/realizace/rezidence-zahalka-ce
Rezidence Zahálka C,E | INSTAL system Praha s.r.o.		 200 yes 130 2
https://www.instalsystem.cz/realizace/zlaty-kopec-g1
Zlatý Kopec G1 | INSTAL system Praha s.r.o.		 200 yes 141 2
https://www.instalsystem.cz/realizace/britska-ctvrt-j3-j4
Britská čtvrť J3, J4 | INSTAL system Praha s.r.o.		 200 yes 131 1
https://www.instalsystem.cz/realizace/libensky-park-ab
Libeňský Park AB | INSTAL system Praha s.r.o.		 200 yes 129 1
https://www.instalsystem.cz/realizace/maly-haj-f1f2
Malý Háj F1,F2 | INSTAL system Praha s.r.o.		 200 yes 133 1
https://www.instalsystem.cz/realizace/ranta-barrandov-h
Ranta Barrandov H | INSTAL system Praha s.r.o.		 200 yes 134 1
https://www.instalsystem.cz/realizace/lidl-mnichovo-hradiste?tagsRenderer-tag=Dokon%C4%8Den%C3%A9&do=tagsRenderer-filterTag
Realizace | INSTAL systém Praha s.r.o.		 200 yes 142 1
https://www.instalsystem.cz/realizace/ekorezidence-hodkovicky
Ekorezidence Hodkovičky | INSTAL system Praha s.r.o.		 200 yes 131 0
https://www.instalsystem.cz/realizace/letnanske-zahrady-hijk
Letňanské zahrady H,I,J,K | INSTAL system Praha s.r.o.		 200 yes 135 0
https://www.instalsystem.cz/realizace/lidl-mnichovo-hradiste
LIDL Mnichovo Hradiště | INSTAL system Praha s.r.o.		 200 yes 129 0
https://www.instalsystem.cz/realizace/lidl-praha-tupolevova
LIDL Praha Tupolevova | INSTAL system Praha s.r.o.		 200 yes 129 0
https://www.instalsystem.cz/realizace/polyfunkcni-dum-harfa
Polyfunkční dům Harfa | INSTAL system Praha s.r.o.		 200 yes 135 0
https://www.instalsystem.cz/?do=cookiesConfirmation-acceptAll 0 no 0 1
https://www.instalsystem.cz/chlazeni?do=cookiesConfirmation-acceptAll 0 no 0 1
https://www.instalsystem.cz/image.php?nid=20755&oid=9686023&width=700 200 no 0 1
https://www.instalsystem.cz/kanalizace?do=cookiesConfirmation-acceptAll 0 no 0 1
https://www.instalsystem.cz/kontakty?do=cookiesConfirmation-acceptAll 0 no 0 1
https://www.instalsystem.cz/kontakty?type=registry&action=personalDataProcessing 0 no 0 1
https://www.instalsystem.cz/kotelny?do=cookiesConfirmation-acceptAll 0 no 0 1
https://www.instalsystem.cz/mapa-stranek?do=cookiesConfirmation-acceptAll 0 no 0 1
https://www.instalsystem.cz/o-nas?do=cookiesConfirmation-acceptAll 0 no 0 1
https://www.instalsystem.cz/plyn?do=cookiesConfirmation-acceptAll 0 no 0 1
https://www.instalsystem.cz/realizace/lidl-mnichovo-hradiste?do=cookiesConfirmation-acceptAll 0 no 0 1
https://www.instalsystem.cz/realizace?do=cookiesConfirmation-acceptAll 0 no 0 1
https://www.instalsystem.cz/sluzby?do=cookiesConfirmation-acceptAll 0 no 0 1
https://www.instalsystem.cz/topeni?do=cookiesConfirmation-acceptAll 0 no 0 1
https://www.instalsystem.cz/voda?do=cookiesConfirmation-acceptAll 0 no 0 1

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