Catalog / pkv.cz
65

SEO audit for pkv.cz

Energetika strategicky | PKV

saas

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

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

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Screenshot of pkv.cz
50
pages crawled
50
indexable pages
0
errors
127
warnings
384
notices
0
orphan pages
0
broken links
Category breakdown
CategoryScoreErrorsWarningsNotices
Performance 61 0 65 104
Agent Readiness 73 0 45 48
Content 97 0 5 6
Headings 97 0 5 11
Meta Description 98 0 4 13
Duplicate 99 0 2 3
Structured Data 99 0 1 28
Images 100 0 0 53
Links 100 0 0 6
Security 100 0 0 95
Social 100 0 0 11
Titles 100 0 0 6
Findings

Warnings (8 rules)

warning Control has no accessible name

Rule agent.control_no_name · Agent Readiness · 45 occurrence(s)

warning Thin content (low word count)

Rule content.thin · Content · 5 occurrence(s)

warning Duplicate <title> across pages

Rule duplicate.title · Duplicate · 2 occurrence(s)

warning Missing <h1>

Rule h1.missing · Headings · 5 occurrence(s)

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

Rule images.no_lazy_lcp_candidate · Performance · 15 occurrence(s)

  • https://www.pkv.cz/ai-energeticky-poradce — the likely hero/LCP image (6398f3d1442131fcfd5f9d07_triangle-blue-large.svg) 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.pkv.cz/akademie/home — the likely hero/LCP image (6398e2dbba30d8454445577b_pkv-logo-new.svg) 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.pkv.cz/archiv-akci — the likely hero/LCP image (63b1c0d104c2b303c8e6371a_cta-newsletter-bgr.svg) 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.pkv.cz/deprecated/pkv-kviz — the likely hero/LCP image (6398e2dbba30d8454445577b_pkv-logo-new.svg) 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.pkv.cz/en/kariera/volne-pozice — the likely hero/LCP image (67fecb5b94a5a9ebfce13efc_2807791_18166.svg) 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.pkv.cz/hungry-buildings — the likely hero/LCP image (6398e2dbba30d8454445577b_pkv-logo-new.svg) 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.pkv.cz/hungry-buildings/koupit-vstupenku — the likely hero/LCP image (6398e2dbba30d8454445577b_pkv-logo-new.svg) 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.pkv.cz/kariera/volne-pozice — the likely hero/LCP image (66335ed6687bdd16f56618fa_flag_of_the_czech_republic.svg.webp) 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.pkv.cz/linktree-pkv — the likely hero/LCP image (6899ee4d10355ca4522de405_logo%20pkv.png) 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.pkv.cz/overte-povinnost-mit-penb — the likely hero/LCP image (68238e1461225b1bc1b74e32_trsatko.svg) 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.pkv.cz/penb-partnersky-portal — the likely hero/LCP image (68238e1461225b1bc1b74e32_trsatko.svg) 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.pkv.cz/prohlaseni-o-pouzivani-cookies — the likely hero/LCP image (6398e2dbba30d8454445577b_pkv-logo-new.svg) 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.pkv.cz/vop — the likely hero/LCP image (6398f3d1442131fcfd5f9d07_triangle-blue-large.svg) 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.pkv.cz/vseobecne-nakupni-podminky-pkv — the likely hero/LCP image (6398f3d1442131fcfd5f9d07_triangle-blue-large.svg) 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.pkv.cz/zasady-zpracovani-osobnich-udaju — the likely hero/LCP image (6398e2dbba30d8454445577b_pkv-logo-new.svg) 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 · 4 occurrence(s)

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

Rule perf.render_blocking · Performance · 50 occurrence(s)

warning Structured-data date has already passed (stale event/job/offer)

Rule schema.stale_date · Structured Data · 1 occurrence(s)

  • https://www.pkv.cz/hungry-buildings — Event.startDate is in the past (2026-03-19T09:00:00+01:00) — Google may stop showing this event/job/offer in rich results. Update the date or remove the markup from expired content.

Notices (24 rules)

notice Heading levels skip a level

Rule agent.heading_skip · Agent Readiness · 41 occurrence(s)

notice No llms.txt for AI agents

Rule agent.llms_txt_missing · Agent Readiness · 1 occurrence(s)

  • https://www.pkv.cz/ — 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 · 6 occurrence(s)

notice Low text-to-HTML ratio

Rule content.low_ratio · Content · 3 occurrence(s)

notice Main text is hard to read (low Flesch Reading Ease)

Rule content.readability_poor · Content · 3 occurrence(s)

  • https://www.pkv.cz/en — this page reads as difficult (Flesch Reading Ease 31, 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.
  • https://www.pkv.cz/en/akce — this page reads as very difficult (Flesch Reading Ease 27, 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.
  • https://www.pkv.cz/en/kariera/volne-pozice — this page reads as difficult (Flesch Reading Ease 48, 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 Duplicate meta description across pages

Rule duplicate.meta_desc · Duplicate · 3 occurrence(s)

notice Multiple <h1> elements

Rule h1.multiple · Headings · 11 occurrence(s)

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

Rule images.alt_too_long · Images · 6 occurrence(s)

notice Likely hero image lacks fetchpriority=high

Rule images.hero_no_fetchpriority · Performance · 27 occurrence(s)

  • https://www.pkv.cz/akce — the likely hero/LCP image (6a180cec070156fbb2ac3159_glow_green.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.pkv.cz/blog — the likely hero/LCP image (6a180cec070156fbb2ac3159_glow_green.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.pkv.cz/dotace-na-energetiku — the likely hero/LCP image (6a180cec070156fbb2ac3159_glow_green.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.pkv.cz/dotace-oprav-dum-po-babicce — the likely hero/LCP image (6a180cec070156fbb2ac3159_glow_green.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.pkv.cz/en/akce — the likely hero/LCP image (6a180cec070156fbb2ac3159_glow_green.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.pkv.cz/energeticke-investicni-projekty — the likely hero/LCP image (6a180cec070156fbb2ac3159_glow_green.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.pkv.cz/energeticky-audit — the likely hero/LCP image (6a180cec070156fbb2ac3159_glow_green.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.pkv.cz/energeticky-management — the likely hero/LCP image (6a180cec070156fbb2ac3159_glow_green.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.pkv.cz/energeticky-management-pro-obce — the likely hero/LCP image (6a180cec070156fbb2ac3159_glow_green.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.pkv.cz/fotovoltaika-dotace-na-fotovoltaiku — the likely hero/LCP image (6a180cec070156fbb2ac3159_glow_green.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.pkv.cz/fotovoltaika-technicko-ekonomicka-studie — the likely hero/LCP image (6a180cec070156fbb2ac3159_glow_green.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.pkv.cz/iso-50001 — the likely hero/LCP image (6a180cec070156fbb2ac3159_glow_green.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.pkv.cz/jak-se-k-nam-dostanete — the likely hero/LCP image (6a180cec070156fbb2ac3159_glow_green.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.pkv.cz/kancelare — the likely hero/LCP image (6a180cec070156fbb2ac3159_glow_green.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.pkv.cz/kontakt — the likely hero/LCP image (6a180cec070156fbb2ac3159_glow_green.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.pkv.cz/kontrola-systemu-vytapeni — the likely hero/LCP image (6a180cec070156fbb2ac3159_glow_green.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.pkv.cz/mistni-energeticka-koncepce — the likely hero/LCP image (6a180cec070156fbb2ac3159_glow_green.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.pkv.cz/o-nas — the likely hero/LCP image (6a180cec070156fbb2ac3159_glow_green.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.pkv.cz/penb-energeticky-stitek — the likely hero/LCP image (6a180cec070156fbb2ac3159_glow_green.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.pkv.cz/penb-pro-mesta-a-obce — the likely hero/LCP image (6a180cec070156fbb2ac3159_glow_green.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.pkv.cz/projekt-na-fotovoltaiku-pkv — the likely hero/LCP image (6a180cec070156fbb2ac3159_glow_green.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.pkv.cz/reference — the likely hero/LCP image (6a180cec070156fbb2ac3159_glow_green.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.pkv.cz/udrzitelnost-a-reporting — the likely hero/LCP image (6a180cec070156fbb2ac3159_glow_green.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.pkv.cz/uhlikova-stopa — the likely hero/LCP image (6a180cec070156fbb2ac3159_glow_green.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.pkv.cz/vyber-realizacni-firmy-na-fotovoltaiku-pkv — the likely hero/LCP image (6a180cec070156fbb2ac3159_glow_green.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 · 47 occurrence(s)

notice Internal link has no anchor text / accessible name

Rule links.no_anchor_text · Links · 6 occurrence(s)

  • https://www.pkv.cz/ — 2 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://www.pkv.cz/ai-energeticky-poradce — 2 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://www.pkv.cz/blog — 10 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://www.pkv.cz/en — 2 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://www.pkv.cz/linktree-pkv — 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://www.pkv.cz/penb-pro-mesta-a-obce — 2 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 Meta description too long

Rule meta_desc.too_long · Meta Description · 9 occurrence(s)

notice Meta description too short

Rule meta_desc.too_short · Meta Description · 4 occurrence(s)

notice Missing Open Graph tags

Rule og.missing · Social · 7 occurrence(s)

notice Large DOM (over 1500 elements) slows rendering & interaction

Rule perf.dom_size_large · Performance · 10 occurrence(s)

  • https://www.pkv.cz/ — the page has 1580 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.
  • https://www.pkv.cz/dotace-na-energetiku — the page has 1616 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.
  • https://www.pkv.cz/dotace-oprav-dum-po-babicce — the page has 1695 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.
  • https://www.pkv.cz/en — the page has 1577 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.
  • https://www.pkv.cz/energeticky-posudek — the page has 1630 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.
  • https://www.pkv.cz/penb-energeticky-stitek — the page has 1820 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.
  • https://www.pkv.cz/penb-pro-mesta-a-obce — the page has 1854 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.
  • https://www.pkv.cz/podcasty — the page has 3340 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.
  • https://www.pkv.cz/reference — the page has 3495 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.
  • https://www.pkv.cz/udrzitelnost-a-reporting — the page has 2123 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 · 15 occurrence(s)

  • https://www.pkv.cz/ — 16 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.pkv.cz/ai-energeticky-poradce — 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.pkv.cz/akademie/home — 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.pkv.cz/blog — 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.pkv.cz/dotace-oprav-dum-po-babicce — 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.pkv.cz/en — 16 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.pkv.cz/externi-energetik — 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.pkv.cz/hungry-buildings — 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.pkv.cz/linktree-pkv — 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.pkv.cz/overte-povinnost-mit-penb — 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.pkv.cz/penb-energeticky-stitek — 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.pkv.cz/penb-partnersky-portal — 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.pkv.cz/penb-pro-mesta-a-obce — 6 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.pkv.cz/podcasty — 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.pkv.cz/reference — 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 · 50 occurrence(s)

  • https://www.pkv.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.pkv.cz/akce — 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.pkv.cz/archiv-akci — 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.pkv.cz/blog — 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.pkv.cz/en — 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.pkv.cz/en/akce — 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.pkv.cz/en/kariera/volne-pozice — 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.pkv.cz/energeticke-investicni-projekty — 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.pkv.cz/energeticky-audit — 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.pkv.cz/energeticky-management — 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.pkv.cz/energeticky-management-pro-obce — 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.pkv.cz/esg-slovnicek — 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.pkv.cz/fotovoltaika-dotace-na-fotovoltaiku — 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.pkv.cz/jak-se-k-nam-dostanete — 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.pkv.cz/kariera/volne-pozice — 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.pkv.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://www.pkv.cz/mistni-energeticka-koncepce — 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.pkv.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.pkv.cz/podcasty — 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.pkv.cz/prohlaseni-o-pouzivani-cookies — 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.pkv.cz/udrzitelnost-a-reporting — 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.pkv.cz/uhlikova-stopa — 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.pkv.cz/vop — 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.pkv.cz/webinar/enm-connect — 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.pkv.cz/zasady-zpracovani-osobnich-udaju — 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 Slow server response

Rule perf.slow_response · Performance · 2 occurrence(s)

notice No structured data detected

Rule schema.none · Structured Data · 28 occurrence(s)

notice Missing recommended security headers

Rule security.missing_headers · Security · 50 occurrence(s)

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

Rule security.unsafe_cross_origin_links · Security · 45 occurrence(s)

  • https://www.pkv.cz/ — 8 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.pkv.cz/akce — 8 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.pkv.cz/archiv-akci — 8 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.pkv.cz/blog — 8 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.pkv.cz/en — 8 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.pkv.cz/en/akce — 8 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.pkv.cz/en/kariera/volne-pozice — 6 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.pkv.cz/energeticke-investicni-projekty — 8 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.pkv.cz/energeticky-audit — 8 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.pkv.cz/energeticky-management — 8 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.pkv.cz/energeticky-management-pro-obce — 8 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.pkv.cz/esg-slovnicek — 8 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.pkv.cz/fotovoltaika — 8 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.pkv.cz/fotovoltaika-dotace-na-fotovoltaiku — 8 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.pkv.cz/jak-se-k-nam-dostanete — 11 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.pkv.cz/kariera/volne-pozice — 6 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.pkv.cz/kontakt — 8 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.pkv.cz/mistni-energeticka-koncepce — 8 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.pkv.cz/o-nas — 8 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.pkv.cz/podcasty — 8 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.pkv.cz/prohlaseni-o-pouzivani-cookies — 8 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.pkv.cz/udrzitelnost-a-reporting — 8 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.pkv.cz/uhlikova-stopa — 8 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.pkv.cz/vop — 8 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.pkv.cz/zasady-zpracovani-osobnich-udaju — 8 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".

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

Rule title.same_as_h1 · Titles · 3 occurrence(s)

notice Title is very short

Rule title.too_short · Titles · 3 occurrence(s)

notice Missing Twitter Card tag

Rule twitter.missing · Social · 4 occurrence(s)

Pages (showing 50 of 50)
URLStatusIndexableWordsIn-links
https://www.pkv.cz/zasady-zpracovani-osobnich-udaju
Zásady zpracování osobních údajů		 200 yes 3483 44
https://www.pkv.cz/
Energetika strategicky | PKV		 200 yes 1589 47
https://www.pkv.cz/kontakt
První krok je na vás | PKV		 200 yes 840 44
https://www.pkv.cz/prohlaseni-o-pouzivani-cookies
Prohlášení o používání cookies		 200 yes 1441 42
https://www.pkv.cz/vop
Všeobecné obchodní podmínky		 200 yes 738 41
https://www.pkv.cz/vseobecne-nakupni-podminky-pkv
Všeobecné nákupní podmínky | PKV		 200 yes 727 41
https://www.pkv.cz/akademie/home
Home		 200 yes 338 42
https://www.pkv.cz/akce
Potkejme se naživo | PKV		 200 yes 806 42
https://www.pkv.cz/blog
Novinky ze světa udržitelné energetiky | Blog PKV		 200 yes 960 42
https://www.pkv.cz/o-nas
Největší tým energetických konzultantů | PKV		 200 yes 1199 42
https://www.pkv.cz/reference
Pomáháme vám uspět | Reference | PKV		 200 yes 4245 42
https://www.pkv.cz/dotace-na-energetiku
Dotace na energetiku | Snížíme návratnost vašich projektů | PKV		 200 yes 1648 41
https://www.pkv.cz/energeticke-investicni-projekty
Snížení výdajů za energie | PKV		 200 yes 1389 41
https://www.pkv.cz/energeticky-audit
Energetický audit budov: povinnost 2026, cena a průběh | PKV		 200 yes 2240 41
https://www.pkv.cz/energeticky-management
Energetický management, management udržitelnosti Enmon | PKV		 200 yes 1849 41
https://www.pkv.cz/energeticky-management-pro-obce
Energetický management pro obce Enmon | PKV		 200 yes 1666 41
https://www.pkv.cz/esg-slovnicek
ESG Slovník pro orientaci v udržitelnosti | PKV		 200 yes 2053 41
https://www.pkv.cz/externi-energetik
Externí energetik		 200 yes 1741 41
https://www.pkv.cz/fotovoltaika
Fotovoltaika s dotací i bez dotace | PKV		 200 yes 1876 41
https://www.pkv.cz/iso-50001
ISO 50001: zavedení, certifikace a povinnost od roku 2026 | PKV		 200 yes 1790 41
https://www.pkv.cz/kancelare
Energetická laboratoř budoucnosti | Kanceláře | PKV		 200 yes 1246 41
https://www.pkv.cz/kontrola-systemu-vytapeni
Kontrola systému vytápění | PKV		 200 yes 1693 41
https://www.pkv.cz/mistni-energeticka-koncepce
Místní Energetická Koncepce | PKV		 200 yes 1415 41
https://www.pkv.cz/overte-povinnost-mit-penb
Ověřte povinnost mít PENB		 200 yes 1680 41
https://www.pkv.cz/penb-energeticky-stitek
Průkazy energetické náročnosti budovy (PENB) | PKV		 200 yes 2594 41
https://www.pkv.cz/penb-pro-mesta-a-obce
Průkazy energetické náročnosti budovy (PENB) | PKV		 200 yes 2919 41
https://www.pkv.cz/udrzitelnost-a-reporting
Dekarbonizace a udržitelné investice | PKV		 200 yes 2127 41
https://www.pkv.cz/en
Manage Energy Strategically | PKV		 200 yes 1610 3
https://www.pkv.cz/en/kariera/volne-pozice
Work with us on sustainable energy | PKV		 200 yes 700 1
https://www.pkv.cz/kariera/volne-pozice
Pracujte s námi na udržitelné energetice | PKV		 200 yes 677 2
https://www.pkv.cz/fotovoltaika-dotace-na-fotovoltaiku
Dotace na fotovoltaiku | Nižší návratnost díky dotaci | PKV		 200 yes 1807 5
https://www.pkv.cz/fotovoltaika-technicko-ekonomicka-studie
Technicko ekonomická studie fotovoltaika | PKV		 200 yes 1556 5
https://www.pkv.cz/projekt-na-fotovoltaiku-pkv
Projekt na fotovoltaiku | PKV		 200 yes 1609 5
https://www.pkv.cz/vyber-realizacni-firmy-na-fotovoltaiku-pkv
Výběr realizační firmy na fotovoltaiku | PKV		 200 yes 1560 5
https://www.pkv.cz/podcasty
Podcasty a rozhovory o energetice a udržitelnosti | PKV		 200 yes 5891 2
https://www.pkv.cz/jak-se-k-nam-dostanete
Jak se k nám dostanete｜PKV		 200 yes 1079 1
https://www.pkv.cz/uhlikova-stopa
Výpočet uhlíkové stopy PKV		 200 yes 1693 1
https://www.pkv.cz/hungry-buildings
HUNGRY BUILDINGS		 200 yes 540 1
https://www.pkv.cz/en/akce
Lets meet live | PKV		 200 yes 839 1
https://www.pkv.cz/ai-energeticky-poradce
Energetický poradce AI		 200 yes 974 0
https://www.pkv.cz/archiv-akci
Získejte materiály z našich akcí | PKV		 200 yes 1161 0
https://www.pkv.cz/deprecated/pkv-kviz
PKV Kvíz		 200 yes 833 0
https://www.pkv.cz/dotace-oprav-dum-po-babicce
Dotace oprav dům po babičce. Kompletně za vás vyřídíme dotaci.		 200 yes 2324 0
https://www.pkv.cz/energeticky-posudek
Energetický posudek		 200 yes 2242 0
https://www.pkv.cz/eventy/snidane-s-pkv-brno-18-3
Snídaně s PKV Brno 18.3.		 200 yes 137 0
https://www.pkv.cz/hungry-buildings/koupit-vstupenku
Koupit vstupenku		 200 yes 4 0
https://www.pkv.cz/linktree-pkv
Linktree PKV		 200 yes 131 0
https://www.pkv.cz/penb-partnersky-portal
PENB - partnerský portál		 200 yes 1936 0
https://www.pkv.cz/potvrzeni-registrace
Potvrzení registrace		 200 yes 46 0
https://www.pkv.cz/webinar/enm-connect
Připojte se k našemu webináři		 200 yes 68 0

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