Public Audit Report

alza.cz

https://www.alza.cz/
Scanned on July 28, 2026
49
Overall
F
58
SEO
55/92 passed
38
AEO
17/45 passed
40
GEO
22/59 passed
94
Passed
101
Failed
195
Total Checks
Poor
Rating

Quick Wins — Top 5 Issues to Fix

SEO — 58/100 (37 issues)

Failed Checks (37)

  • ✗Missing viewport meta tag — not mobile-friendlymeta
  • ✗Title-H1 alignment: 0% word overlap — title and H1 should share key termscontent
  • ✗Readability: 0 (difficult — simplify language)content
  • ✗32% long sentences (>20 words) — break up for readabilitycontent
  • ✗2 of 486 images missing ALT text (100% have it)content
  • ✗475 images missing width/height — causes layout shift (CLS)content
  • ✗444 of 486 images use legacy formats (JPG/PNG/GIF) — convert to WebP/AVIF for 25-50% smaller filescontent
  • ✗Missing og:type — defaults to "website"social
  • ✗Missing twitter:card meta tagsocial
  • ✗Missing twitter:titlesocial
  • ✗Missing twitter:descriptionsocial
  • ✗Missing twitter:imagesocial
  • ✗Missing canonical tag — risk of duplicate contenttechnical
  • ✗Text-to-HTML ratio: 5.4% — too code-heavy, add more contenttechnical
  • ✗Inline CSS: 73.5 KB — too much, move to external stylesheetperformance
  • ✗Inline JS: 152.7 KB — too much, use external scriptsperformance
  • ✗7 render-blocking scripts — add defer or async attributeperformance
  • ✗No About page link detected — add for credibilitytrust
  • ✗No JSON-LD structured data foundschema
  • ✗Web fonts without font-display: swap — may cause FOITperformance
  • ✗No /sitemap.xml found — create one for better crawlingtechnical
  • ✗5 of 5 internal links are brokencontent
  • ✗5 target="_blank" links missing rel="noopener" — security risksecurity
  • ✗Missing hreflang x-default — add fallback for unmatched languagestechnical
  • ✗Only 4% responsive images — add srcset for mobilecontent
  • ✗Possible hidden text detected (font-size:0 or same-color text) — Google spam violationtechnical
  • ✗No max-image-preview:large — add to robots meta for Google Discovermeta
  • ✗53 image(s) with generic filenames — use descriptive names for image SEOcontent
  • ✗H1 length: 4 characters — too short, aim for 20-70content
  • ✗2611 links on page — exceeds 100 limit, may dilute link equitycontent
  • ✗DOM size: ~6037 elements — exceeds 1500, may slow renderingperformance
  • ✗4 render-blocking script(s) in head — add defer or asyncperformance
  • ✗Missing ARIA landmarks — add <main>, <nav>, and skip-to-content link for accessibilityaccessibility
  • ✗1 duplicate ID(s) found: "ap-banner" (2x) — must be unique per HTML specaccessibility
  • ✗1 iframe(s) without sandbox attribute — security risksecurity
  • ✗No RSS/Atom feed in <head> — add for content discovery by aggregators and AItechnical
  • ✗1 of 3 H2 sections have < 50 words — add more content or merge thin sectionscontent

Passed Checks (55)

  • ✓Title tag found: "Alza.cz – rychlý a pohodlný nákup odkudkoliv | Alza.cz"meta
  • ✓Title length: 54 characters (optimal)meta
  • ✓Meta description found (160 chars)meta
  • ✓Description length: 160 chars (optimal)meta
  • ✓UTF-8 charset declaredmeta
  • ✓Language attribute set on HTML tagmeta
  • ✓No meta refresh redirect (good)meta
  • ✓Robots: "index, follow"meta
  • ✓Single H1 tag foundcontent
  • ✓3 H2 tags foundcontent
  • ✓Heading hierarchy is correctcontent
  • ✓5846 words on page (good content depth)content
  • ✓JS-based lazy loading detectedcontent
  • ✓2607 internal links foundcontent
  • ✓1 external links foundcontent
  • ✓No empty href attributes foundcontent
  • ✓All link texts are descriptive (no "click here" or "read more")content
  • ✓Open Graph title foundsocial
  • ✓Open Graph description foundsocial
  • ✓Open Graph image foundsocial
  • ✓Open Graph URL foundsocial
  • ✓og:site_name: "Alza"social
  • ✓HTTPS enabledtechnical
  • ✓Favicon foundtechnical
  • ✓Compression: enabled (vary: accept-encoding)technical
  • ✓URL length: 20 chars (good)technical
  • ✓URL uses hyphens or no separators (good)technical
  • ✓7 hreflang tags found (multi-language)technical
  • ✓No deprecated HTML tags foundtechnical
  • ✓Font preload/preconnect found — faster font loadingperformance
  • ✓Cache-Control: no-cacheperformance
  • ✓HSTS header present — enforces HTTPSsecurity
  • ✓X-Content-Type-Options: nosniffsecurity
  • ✓Content-Security-Policy header presentsecurity
  • ✓Contact page/email link foundtrust
  • ✓Privacy Policy link foundtrust
  • ✓Terms of Service link foundtrust
  • ✓Author byline foundtrust
  • ✓<!DOCTYPE html> declaredtechnical
  • ✓No mixed content — all resources use HTTPStechnical
  • ✓robots.txt found and allows crawlingtechnical
  • ✓robots.txt includes Sitemap referencetechnical
  • ✓No AI crawlers blocked in robots.txt — AI search and training can access contenttechnical
  • ✓0% nofollow links (0/2610) — good link equity flowcontent
  • ✓OG image uses absolute URL (correct)social
  • ✓Web App Manifest found (PWA-ready)technical
  • ✓5 resource hint(s) (dns-prefetch/preconnect) — faster loadingperformance
  • ✓All 7 hreflang codes are valid ISO 639-1technical
  • ✓Title uses "|" separator — Google may rewrite it; consider using "—" insteadmeta
  • ✓Referrer-Policy: strict-origin-when-cross-originsecurity
  • ✓Permissions-Policy header presentsecurity
  • ✓Title and meta description are different (good)meta
  • ✓data-nosnippet found — some content hidden from search snippetstechnical
  • ✓3 third-party script domain(s) (acceptable)performance
  • ✓All 1 form input(s) have labels or aria-labelsaccessibility
AEO — 38/100 (28 issues)

Failed Checks (27)

  • ✗No structured data — AI systems struggle to categorize your pagediscoverability
  • ✗Only 2 semantic elements — add <article>, <section>, <main>discoverability
  • ✗Only 0 content sections — segment your content betterdiscoverability
  • ✗No definition lists (<dl>) — great for term/value pairsdiscoverability
  • ✗No FAQ/Q&A section found — Q&A content helps AI extraction (FAQ schema markup is optional since Google retired FAQ rich results in May 2026)structure
  • ✗No question-style headings — try "How to...", "What is..."structure
  • ✗No data tables — tables help AI compare and cite datastructure
  • ✗No concise answer paragraphs detected — add short summaries after headingsstructure
  • ✗Few key-value patterns — use "**Label:** value" format for AIstructure
  • ✗No date information — AI prefers fresh, dated contentcitation
  • ✗No Organization schema — AI may not recognize your brandcitation
  • ✗No source citations — reference studies and data for authoritycitation
  • ✗Few external links — cite authoritative sources for AI trustcitation
  • ✗No recent year mentioned — AI prefers up-to-date contentcitation
  • ✗Only 0 concise answer paragraph(s) after headings — add 2+ short summaries (40-200 chars) right after H2/H3 tagscitation
  • ✗Formal tone — use more "you", "your", "we" for AI readabilityvoice
  • ✗First paragraph too short for AI snippetsvoice
  • ✗Avg 159 words/sentence — simplify for AI and voicevoice
  • ✗No summary section — add Key Takeaways for AI extractionvoice
  • ✗Only 3 H2/H3 headings — add more to structure your contentvoice
  • ✗Few Q&A blocks — add question headings followed by answer paragraphsvoice
  • ✗No Last-Modified header or dateModified — AI prefers content with freshness signalscitation
  • ✗Content not updated in 90+ days — stale content loses AI visibilitycitation
  • ✗No Table of Contents — add jump links for AI content navigationstructure
  • ✗No video content — multimedia increases AI engagement and citation ratediscoverability
  • ✗Statistics lack source references — attribute data to boost AI trustcitation
  • ✗No <details>/<summary> elements — use for expandable Q&A contentstructure

Passed Checks (17)

  • ✓5846 words in HTML — good content for AI parsingdiscoverability
  • ✓Clean URL structurediscoverability
  • ✓Description + OG description both present — clear topic signalsdiscoverability
  • ✓285 named entities found — helps AI understand contextdiscoverability
  • ✓2607 internal links — good topic cluster signaldiscoverability
  • ✓2 lists found — structured content for AIstructure
  • ✓Step-by-step content detected — AI loves procedural answersstructure
  • ✓68% short sentences — easy for AI to extractstructure
  • ✓100% concise paragraphs — scannable for AIstructure
  • ✓Avg 1804 words/section — sufficient depthstructure
  • ✓Author information found — builds E-E-A-Tcitation
  • ✓Statistics and data found in content — highly citablecitation
  • ✓3/5 E-E-A-T signals presentcitation
  • ✓Topic focus: 100% — title keywords found in contentcitation
  • ✓No AI-blocking robots directives — AI crawlers can access contentdiscoverability
  • ✓AI search crawlers not blocked in robots.txt (8/8 allowed)discoverability
  • ✓Brand "Alza" used consistently (32 mentions)citation
GEO — 40/100 (37 issues)

Failed Checks (37)

  • ✗No clear definitions — add "X is..." patterns for AI Overviewoverview
  • ✗Few question headings — add Q&A headings for AI Overviewoverview
  • ✗No freshness signals — add dates, update timestampsoverview
  • ✗Flat heading structure — add H3/H4 subheadings for depthoverview
  • ✗14% optimal paragraphs — aim for 20-80 words per paragraphoverview
  • ✗No author schema — add for AI trust signalsauthority
  • ✗No source citations — reference studies and data for authorityauthority
  • ✗Incomplete brand identity — add og:site_name + Organization schemaauthority
  • ✗No original data signals — "our research shows..." boosts AI citationauthority
  • ✗No examples or case studies — add real-world examplesauthority
  • ✗Few external source domains — diversify your referencesauthority
  • ✗No summary section — add Key Takeaways or TL;DR for AIformat
  • ✗2 images missing ALT textformat
  • ✗No BreadcrumbList schema — add for better AI contextformat
  • ✗No data tables or charts — add structured data visualizationsformat
  • ✗Only 1/6 formatting types — use bold, lists, tables, quotes, codeformat
  • ✗Single-perspective content — add "on the other hand..." for balanceformat
  • ✗No conclusion — add recommendations or a verdict sectionformat
  • ✗No entity Schema types — add Person, Product, or Organization schemasemantic
  • ✗2/14 semantic elements — add <article>, <figure>, <time>, etc.semantic
  • ✗No <time> elements — wrap dates in <time datetime="...">semantic
  • ✗Few sections have subtopics — add H3 subheadings for depthsemantic
  • ✗Not mobile-friendly — Google AI Overview prefers mobile-ready pagestechnical
  • ✗Page size: 758 KB — very large, may slow AI crawlingtechnical
  • ✗No canonical URL — AI may index duplicate versionstechnical
  • ✗Only 0 Schema type(s) — add more for AI contexttechnical
  • ✗84 image(s) with generic/short ALT text — use descriptive textformat
  • ✗First 200 words lack topic keywords — AI may skip your content for extractionoverview
  • ✗Missing definition or list format — combine "X is..." with lists for snippetsoverview
  • ✗Only 0 data points — adding statistics measurably boosts generative-engine visibility (GEO study, arXiv:2311.09735)authority
  • ✗Author lacks credentials — anonymous content is a GEO penaltyauthority
  • ✗Only 1/6 question types — add What, Why, How headingsoverview
  • ✗No <figure>/<figcaption> — wrap images with descriptive captions for AIformat
  • ✗No authoritative sameAs links — add Wikipedia/Wikidata/LinkedIn URIs to schema for entity disambiguationauthority
  • ✗Hidden text detected (~74 words in display:none/visibility:hidden) — AI crawlers read it and may flag cloaking; render it or remove ittrust
  • ✗Possible keyword stuffing: "kategorie" at 6.2% density (232×) — diversify vocabularyauthority
  • ✗High boilerplate ratio (~91% nav/footer/header) — thin main content for AI extractionoverview

Passed Checks (22)

  • ✓Comprehensive content (5846 words, 3 sections)overview
  • ✓Title and H1 are aligned — clear topic focusoverview
  • ✓Step-by-step content detected — AI Overview friendlyoverview
  • ✓2/5 trust signals foundauthority
  • ✓Expert quotes or testimonials found — authority signalauthority
  • ✓4 industry terms used — domain expertise signalauthority
  • ✓1 links to authoritative sources — boosts credibilityauthority
  • ✓Comparison content detected — AI loves comparingformat
  • ✓Both ordered and unordered lists used — content varietyformat
  • ✓Actionable advice found — AI prefers practical contentformat
  • ✓100% title keywords in first 200 words — good prominencesemantic
  • ✓2340 contextual links — good cross-referencingsemantic
  • ✓Content categorization found — clear topic classificationsemantic
  • ✓HTTPS secure — trusted by AI systemstechnical
  • ✓Open Graph fully configured (title, description, image)technical
  • ✓Page allows AI indexing (no noindex/nosnippet)technical
  • ✓HTML lang="cs-CZ" set (add og:locale for completeness)technical
  • ✓2 ARIA landmarks found — good accessibility for AItechnical
  • ✓5846 words — sufficient depth for AI analysisoverview
  • ✓No snippet restrictions — AI can freely extract content (good)technical
  • ✓Link anchor texts are descriptive — good AI context signalsemantic
  • ✓All tested AI crawlers can access the page (GPTBot, ClaudeBot, PerplexityBot)authority

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