# marton.cz — Zulien Score 74/100 (Grade B)

> Free e-commerce audit: 74/100 overall score. Company: Damian Marton s.r.o.. 100+ checkpoints in 7 categories (Performance, SEO, Security, Mobile, AI Readiness, GDPR, Vulnerability).

- **Audited:** https://marton.cz
- **Company:** Damian Marton s.r.o.
- **Scan date:** 2026-10-08
- **Full report:** https://score.zulien.sk/de/r/marton.cz
- **JSON API:** https://euyszfecnvwsqpigioyx.supabase.co/functions/v1/api-v1/score/marton.cz

## Audit summary

Your site works well but has security gaps. Add HSTS headers immediately to protect customer data. Excellent accessibility for disabled visitors.

## Score by category

| Category | Score |
|---|---|
| Performance | 87/100 |
| SEO | 82/100 |
| Security | 57/100 |
| Mobile | 63/100 |
| AI Readiness | 58/100 |
| GDPR | 72/100 |
| Vulnerability | 59/100 |
| Accessibility | 100/100 |

## Detailed findings

### Performance — 87/100

- **[FAIL]** Total Page Weight — 17.2 MB, 144 requests — too heavy!
  - Fix: Critical: your page is over 3 MB. 1) Convert all images to WebP/AVIF, 2) Lazy load everything below the fold, 3) Remove unused plugins, 4) Combine and minify CSS/JS, 5) Enable brotli compression.
  - Evidence: PSI-lab
- **[FAIL]** Request Budget — 144 requests — well past both the 80 budget and the cohort median of 140
  - Fix: Start with what loads before first paint: bundle the CSS/JS, sprite the icons, lazy-load every below-fold image, and remove duplicate tag-manager containers loading the same vendor twice.
  - Evidence: PSI-lab · 144 requests · confidence: high
- **[FAIL]** Unused Code (CSS + JS) — 248 KB wasted on unused code!
  - Fix: You're loading 248 KB of code that isn't used on this page. 1) Audit plugins and remove unused ones, 2) Use code-splitting for page-specific JS, 3) Run PurgeCSS on your stylesheets.
  - Evidence: PSI-lab
- **[WARN]** JavaScript Budget — 1147 KB — over the 600 KB budget, but below the 1270 KB median of the award-winning shops we benchmarked
  - Fix: Split the bundle so a product page doesn't load checkout and account code. Defer third-party scripts until interaction. Drop unused plugin bundles — on most shops these outweigh your own code.
  - Evidence: PSI-lab · 1147 KB JavaScript · confidence: high
- **[WARN]** Lazy Loading — 83 images without lazy loading
  - Fix: Add loading='lazy' to all images below the fold. Keep the hero/LCP image eager-loaded. Native lazy loading is supported by all modern browsers.
  - Evidence: HTML-heuristic
- **[WARN]** Cache-Control Strategy — no-store, no-cache, must-revalidate, no-cache, private
  - Fix: Set appropriate cache headers: static assets should have max-age=31536000 with versioned filenames. HTML pages can use max-age=0 with ETag for revalidation.
  - Evidence: HTTP-header
- **[WARN]** Script Loading Strategy — Only 50% of 6 scripts use async/defer
  - Fix: Add 'defer' to scripts that don't need to run immediately, 'async' for independent scripts. Use type='module' for modern ES modules. Only critical inline scripts should be synchronous.
  - Evidence: HTML-heuristic
- **[INFO]** Third-party Services — Not measured — PageSpeed did not return the third-party audit for this URL
  - Evidence: PSI-lab
- **[INFO]** Render-blocking Resources — Not measured — PageSpeed did not return the render-blocking audit for this URL
  - Evidence: PSI-lab
- **[PASS]** Server Response Time (TTFB) — 23ms
  - Evidence: PSI-lab
- **[PASS]** First Contentful Paint (FCP) — 1.10s
  - Evidence: PSI-lab
- **[PASS]** Largest Contentful Paint (LCP) — 1.14s — Core Web Vital ✓
  - Evidence: PSI-lab
- **[PASS]** Total Blocking Time (TBT) — 90ms
  - Evidence: PSI-lab
- **[PASS]** Cumulative Layout Shift (CLS) — 0.009 — Core Web Vital ✓
  - Evidence: PSI-lab
- **[PASS]** Speed Index — 1.13s
  - Evidence: PSI-lab
- **[PASS]** Text Compression (gzip/brotli) — All text resources properly compressed
  - Evidence: HTTP-header
- **[PASS]** Resource Hints (Preload/Preconnect) — 1 preload, 1 preconnect hint(s)
  - Evidence: HTML-heuristic
- **[PASS]** HTTP/3 (QUIC) Support — HTTP/3 enabled via Alt-Svc header
  - Evidence: HTTP-header
- **[PASS]** CSS File Count — 4 CSS file(s) — well consolidated
  - Evidence: HTML-heuristic

### SEO — 82/100

- **[FAIL]** Structured Data (JSON-LD)
  - Fix: Add JSON-LD structured data: Product (with price, availability, reviews), Organization, BreadcrumbList, and WebSite schemas.
  - Evidence: schema
- **[WARN]** Meta Title — 6 chars (optimal: 30-60)
  - Fix: Your title is very short. Add descriptive keywords and your brand name for better ranking signals.
  - Evidence: HTML-heuristic
- **[WARN]** Meta Description — 170 chars (optimal: 120-160)
  - Fix: Trim your meta description to 120-160 characters. Place the most important information and CTA in the first 120 chars.
  - Evidence: HTML-heuristic
- **[WARN]** Twitter/X Cards
  - Fix: Add <meta name='twitter:card' content='summary_large_image'>, twitter:title, and twitter:image tags.
  - Evidence: HTML-heuristic
- **[WARN]** Image Format Optimization — 0% next-gen formats — 0 JPEG, 2 PNG images
  - Fix: Convert all images to WebP format. Most CMS platforms have plugins for automatic WebP conversion. Use AVIF for even better compression.
  - Evidence: HTML-heuristic
- **[WARN]** Canonical URL Consistency — Canonical points to different URL: https://www.marton.cz/
  - Fix: Your canonical URL doesn't match the current page URL. Ensure the canonical points to the preferred version (with or without trailing slash, www vs non-www). Inconsistent canonicals confuse search engines.
  - Evidence: HTML-heuristic
- **[INFO]** Text-to-HTML Ratio — 4% ratio but 1708 words — content is substantial; the low ratio is markup/inline-JS bloat, not thin content
  - Evidence: HTML-heuristic
- **[PASS]** H1 Heading — "Vítejte v našem obchodě"
  - Evidence: HTML-heuristic
- **[PASS]** Content Structure (H2 Headings) — 5 H2 subheadings found
  - Evidence: HTML-heuristic
- **[PASS]** Open Graph Tags — og:title, og:description, og:image, og:type
  - Evidence: HTML-heuristic
- **[PASS]** Open Graph Image Format — image/webp
  - Evidence: HTML-heuristic
- **[PASS]** Canonical URL — https://www.marton.cz/
  - Evidence: HTML-heuristic
- **[PASS]** robots.txt — Present, references sitemap
  - Evidence: file-probe
- **[PASS]** XML Sitemap — Found with 795 URLs
  - Evidence: file-probe
- **[PASS]** HTML Language Attribute — lang="cs"
  - Evidence: HTML-heuristic
- **[PASS]** Image Alt Attributes — 100% of 83 images have alt text
  - Evidence: HTML-heuristic
- **[PASS]** Meta Robots Tag — index,follow
  - Evidence: HTML-heuristic
- **[PASS]** Favicon — Favicon detected
  - Evidence: file-probe
- **[PASS]** Semantic HTML Structure — 5/6 semantic elements: <nav>, <main>, <header>, <footer>, <aside>
  - Evidence: HTML-heuristic
- **[PASS]** Content Depth — 1708 words — sufficient content
  - Evidence: HTML-heuristic
- **[PASS]** Deep Heading Hierarchy — H2: 5, H3: 5 — well-structured content
  - Evidence: HTML-heuristic
- **[PASS]** Internal Linking — 111 internal links — strong site navigation
  - Evidence: HTML-heuristic
- **[PASS]** Empty/Dead Links — 3 minor dead link(s) — acceptable
  - Evidence: HTML-heuristic
- **[PASS]** Accessibility Fundamentals — 4/4 a11y signals: 480 ARIA roles, 89 ARIA labels, skip link, lang="cs"
  - Evidence: HTML-heuristic

### Security — 57/100

- **[FAIL]** HSTS (Strict-Transport-Security)
  - Fix: Add header: Strict-Transport-Security: max-age=31536000; includeSubDomains; preload — then submit to hstspreload.org.
  - Evidence: HTTP-header
- **[FAIL]** Content-Security-Policy (CSP)
  - Fix: Implement a CSP header. Start with: Content-Security-Policy: default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self' data: — then gradually tighten.
  - Evidence: HTTP-header
- **[WARN]** DNSSEC — No DNSKEY records — zone is unsigned
  - Fix: Enable DNSSEC at your DNS host (most modern registrars offer 1-click activation: Cloudflare, Route 53, Google Cloud DNS, web.sk, websupport.sk). Verify via dnsviz.net afterwards.
  - Evidence: DNS
- **[WARN]** CAA DNS Record — No CAA records — any CA can issue certificates for this domain
  - Fix: Publish CAA TXT records pinning your CA. For Let's Encrypt: `0 issue "letsencrypt.org"`. For multiple CAs add additional `0 issue "..."` records. Add `0 iodef "mailto:security@yourdomain.tld"` for misissuance reports.
  - Evidence: DNS
- **[WARN]** HTTP → HTTPS Redirect
  - Fix: Configure a 301 redirect from http:// to https:// for all pages. In Apache: RewriteRule ^(.*)$ https://%{HTTP_HOST}%{REQUEST_URI} [R=301,L]
  - Evidence: HTTP-header
- **[WARN]** Referrer-Policy
  - Fix: Add header: Referrer-Policy: strict-origin-when-cross-origin — this is the best balance between functionality and privacy.
  - Evidence: HTTP-header
- **[WARN]** Permissions-Policy
  - Fix: Add: Permissions-Policy: camera=(), microphone=(), geolocation=(), payment=() — disable APIs your site doesn't need.
  - Evidence: HTTP-header
- **[WARN]** Cookie Security Flags — 3 cookie(s): 2 missing HttpOnly, 2 missing SameSite
  - Fix: Set all cookies with: Secure (HTTPS only), HttpOnly (no JS access), SameSite=Lax or Strict (CSRF protection). Session cookies MUST have all three.
  - Evidence: HTTP-header
- **[WARN]** Subresource Integrity (SRI) — Only 0/4 SRI-eligible third-party scripts have integrity hashes (2 auto-updating provider script(s) excluded — SRI not applicable)
  - Fix: Add integrity='sha384-...' and crossorigin='anonymous' to version-pinned third-party <script> tags (use srihash.org). Auto-updating provider scripts (analytics, payment SDKs, consent tools) are correctly excluded — they can't use SRI.
  - Evidence: HTML-heuristic
- **[WARN]** CDN / WAF Protection
  - Fix: Add a CDN/WAF like Cloudflare (free tier), Sucuri, or Fastly. They provide DDoS protection, bot filtering, and SSL management.
  - Evidence: HTTP-header
- **[INFO]** Cookie Prefix Security — 1 session cookie(s) already have Secure + HttpOnly + SameSite; adding the __Host- prefix is a cosmetic hardening nicety
  - Evidence: HTTP-header · 1 session cookie(s), all with Secure+HttpOnly+SameSite · confidence: low
- **[PASS]** SSL/TLS Certificate — Valid HTTPS connection established
  - Evidence: SSL
- **[PASS]** Clickjacking Protection — X-Frame-Options: SAMEORIGIN, SAMEORIGIN
  - Evidence: HTTP-header
- **[PASS]** X-Content-Type-Options — nosniff
  - Evidence: HTTP-header
- **[PASS]** Technology Disclosure — Server: openresty (no version)
  - Evidence: HTTP-header
- **[PASS]** security.txt (RFC 9116) — Present at /.well-known/security.txt
  - Evidence: file-probe
- **[PASS]** Server Version Disclosure — openresty — version hidden
  - Evidence: HTTP-header
- **[PASS]** Password Field Security — 1 password field(s) — allow password manager autofill
  - Evidence: HTTP-header

### Mobile — 63/100

- **[FAIL]** Link Text Quality (WCAG 2.4.4) — 38/330 links (12%) have vague text
  - Fix: A high share of links are generic ('click here', 'read more', 'here', 'more'). Every link must make sense out of context — 'Winter jacket product detail' rather than just 'Detail'.
  - Evidence: HTML-heuristic
- **[WARN]** Mobile Performance Score — 60/100 (target: 90+)
  - Fix: Optimize for mobile: compress images to WebP, defer non-critical JS, reduce CSS file size. Mobile CPUs are several times slower than desktop — what's fast on desktop is slow on mobile.
  - Evidence: PSI-lab
- **[WARN]** Desktop/Mobile Performance Gap — Desktop: 95 vs Mobile: 60 (35 point gap)
  - Fix: Your desktop experience is significantly better than mobile. Focus on: reducing JavaScript (mobile CPUs are slower), serving responsive images (smaller files for smaller screens), and minimizing main-thread work.
  - Evidence: HTML-heuristic
- **[WARN]** Touch Target Size — Some tappable targets are too small or too close together (Lighthouse tap-targets audit)
  - Fix: Ensure ALL interactive elements (buttons, links, form fields) are at least 48×48px with 8px minimum spacing between them. Pay special attention to: navigation menus, filter buttons, product variant selectors, and footer links.
  - Evidence: PSI-lab · Some tappable targets are too small or too close together (Lighthouse tap-targets audit)
- **[WARN]** Font Size Readability — Some text renders below the 12px legibility threshold (Lighthouse font-size audit)
  - Fix: Set minimum 16px font size for body text. Use relative units (rem/em) instead of px for scalability. Product titles: 18px+, prices: 20px+, CTAs: 16px+ with bold.
  - Evidence: PSI-lab · Some text renders below the 12px legibility threshold (Lighthouse font-size audit)
- **[WARN]** Responsive Design Techniques
  - Fix: Implement responsive CSS with @media queries for key breakpoints: 480px (small mobile), 768px (tablet), 1024px (laptop). Use Flexbox and CSS Grid for fluid layouts.
  - Evidence: HTML-heuristic
- **[WARN]** PWA Features
  - Fix: Consider adding Progressive Web App features: 1) Create manifest.json with app name, icons, and theme color, 2) Register a service worker for offline caching. This makes your store installable on mobile.
  - Evidence: HTML-heuristic
- **[WARN]** Theme Color
  - Fix: Add <meta name='theme-color' content='#your-brand-color'> to match your brand. Browsers use this to color the address bar, task switcher, and PWA chrome.
  - Evidence: HTML-heuristic
- **[WARN]** Responsive Images (srcset) — 83 images without responsive sizing
  - Fix: Add srcset and sizes attributes to <img> tags to serve appropriately sized images for each screen. Mobile devices shouldn't download 1920px desktop images.
  - Evidence: HTML-heuristic
- **[WARN]** Mobile Sticky CTA — Add-to-cart button found but no sticky/fixed positioning detected
  - Fix: Add a sticky add-to-cart bar at the bottom of mobile screens. Use position: sticky or position: fixed with bottom: 0. The CTA should always be visible without scrolling.
  - Evidence: HTML-heuristic
- **[WARN]** Text Overflow Handling — No word-break/overflow-wrap CSS detected
  - Fix: Add 'overflow-wrap: break-word' to your body or main content container. Without it, long URLs, product SKUs, or German compound words can break mobile layouts.
  - Evidence: HTML-heuristic
- **[WARN]** Print Stylesheet — Order/invoice page without print styles
  - Fix: Add @media print CSS rules to hide navigation, ads, and non-essential elements. Ensure order details, prices, and company info are visible when printed.
  - Evidence: HTML-heuristic
- **[INFO]** Payment Methods Detected — No known payment gateway detected on the homepage
  - Evidence: HTML-heuristic
- **[INFO]** Express Checkout (Apple Pay + Google Pay) — Apple Pay / Google Pay not detected on the homepage — express checkout usually appears only in the cart or checkout
  - Evidence: HTML-heuristic
- **[INFO]** SK/CZ Local Payment Methods — No SK/CZ local payment method detected on the homepage — bank buttons and QR payment usually appear only in checkout
  - Evidence: HTML-heuristic
- **[PASS]** Viewport Configuration — width=device-width, initial-scale=1
  - Evidence: HTML-heuristic
- **[PASS]** Content Fits Viewport — No horizontal scrolling needed
  - Evidence: HTML-heuristic
- **[PASS]** Mobile Navigation (Semantic) — <nav> element present — proper navigation landmark
  - Evidence: HTML-heuristic
- **[PASS]** Form Input Types — Optimized: 1 email, 1 search
  - Evidence: HTML-heuristic
- **[PASS]** Form Input Labels (WCAG 3.3.2) — 41/41 inputs have a label
  - Evidence: HTML-heuristic
- **[PASS]** Heading Hierarchy (WCAG 1.3.1) — No skipped heading levels
  - Evidence: HTML-heuristic

### AI Readiness — 58/100

- **[FAIL]** Structured Data Foundation
  - Fix: Add JSON-LD structured data immediately. Priority order: 1) Organization, 2) Product (with offers), 3) BreadcrumbList, 4) WebSite+SearchAction, 5) FAQPage. Use JSON-LD format exclusively — not Microdata or RDFa.
  - Evidence: schema
- **[FAIL]** Organization Schema + Entity Linking
  - Fix: Add Organization (or LocalBusiness for physical stores) schema with: name, logo, url, description, contactPoint, address, and sameAs linking to all your official profiles (LinkedIn, Facebook, Wikipedia if available).
  - Evidence: schema
- **[FAIL]** Content Freshness Signals
  - Fix: Add dateModified and datePublished to your JSON-LD schema, and display a visible 'Last updated' date on the page. Update content quarterly at minimum. AI heavily favors fresh, maintained content.
  - Evidence: HTML-heuristic
- **[FAIL]** Knowledge Graph Readiness
  - Fix: Build your Knowledge Graph entity: 1) Add @id to Organization JSON-LD, 2) Use identical brand name in title, schema, and OG, 3) Add sameAs to Wikipedia/Wikidata/LinkedIn, 4) Use multiple corroborating schema types.
  - Evidence: HTML-heuristic
- **[WARN]** FAQ Schema (Direct AI Answers)
  - Fix: Add FAQPage schema to every product page and category page. Include 3-5 Q&As per page covering: product specifications, shipping, returns, usage instructions. Format: question (full sentence) + answer (75-150 words).
  - Evidence: schema
- **[WARN]** Breadcrumb Schema
  - Fix: Add BreadcrumbList schema reflecting your category hierarchy: Home → Category → Subcategory → Product. Each item needs name and URL.
  - Evidence: schema
- **[WARN]** Site Search Schema (SearchAction)
  - Fix: Add WebSite schema with potentialAction: SearchAction. Define your search URL template so AI assistants and Google can search your store programmatically.
  - Evidence: schema
- **[WARN]** Answer-First Content Format — Content doesn't start with a strong summary paragraph
  - Fix: Place your most important information in the first 100 words of the page. Use the BLUF method (Bottom Line Up Front): start with what the product IS and why it matters, then elaborate.
  - Evidence: HTML-heuristic
- **[WARN]** Structured Content (Lists & Tables) — 18 lists found — consider adding comparison tables
  - Fix: Add comparison tables to your content. Use <ul>/<ol> for feature lists, specifications, and benefits. Use <table> for product comparisons, pricing tiers, and specifications. AI extracts structured content much faster than paragraphs.
  - Evidence: HTML-heuristic
- **[WARN]** Entity Clarity & Brand Signals — OG tags complete but no sameAs entity links
  - Fix: For full entity clarity: 1) Complete Open Graph tags (og:title, og:description, og:image, og:type), 2) Add sameAs in Organization schema linking to Wikipedia, LinkedIn, Facebook, and other profiles.
  - Evidence: HTML-heuristic
- **[WARN]** Author Expertise Signals (E-E-A-T)
  - Fix: For content pages (blog, guides, about): add Article/BlogPosting schema with author property linking to Person schema. Include the author's jobTitle, credentials, and social profiles.
  - Evidence: HTML-heuristic
- **[WARN]** Product Feed (AI Commerce)
  - Fix: Create a Google Merchant Center / product feed (XML or CSV). Expose it at a consistent URL and reference it in your sitemap. AI shopping assistants and comparison engines use product feeds for catalog discovery. Tip: validate your Heureka / Zboží / Glami / Merchant feeds for free with Mergado's audit.
  - Evidence: file-probe · probed /feed/products.xml, /google-shopping.xml, /export/google-shopping.xml — none returned a product feed
- **[WARN]** Heureka XML Feed
  - Fix: Generate a Heureka XML feed at /feed/heureka.xml (or /export/heureka.xml). PrestaShop has a Heureka.cz module, WooCommerce has plugins. Structure: <SHOP><SHOPITEM>...</SHOPITEM></SHOP> with ITEM_ID/PRODUCTNAME/URL/PRICE_VAT/CATEGORYTEXT (required) + EAN/PARAM/DELIVERY_DATE (highly recommended for ranking).
  - Evidence: file-probe
- **[WARN]** Zbozi.cz XML Feed
  - Fix: Generate a Zbozi.cz XML feed at /feed/zbozi.xml (or /export/zbozi.xml). Structure: <SHOP><SHOPITEM>...</SHOPITEM></SHOP> with ITEM_ID/PRODUCTNAME/DESCRIPTION/URL/PRICE_VAT/DELIVERY_DATE/CATEGORYTEXT/IMGURL (required, stricter than Heureka) + EAN/PRODUCT/MANUFACTURER (for master-catalog matching).
  - Evidence: HTML-heuristic
- **[WARN]** Extractable Answer Blocks — 6 paragraphs, avg 14 words — too short for citation
  - Fix: Optimal paragraphs for AI citation are 40-80 words. Break long paragraphs into focused, self-contained answer blocks. Each should make one clear point that AI can extract and quote.
  - Evidence: HTML-heuristic
- **[WARN]** Statistics & Data Presence — Only 1 data point(s) — add more
  - Fix: Add specific statistics, percentages, dollar amounts, and quantified claims. E.g., '93% of customers report...', 'saves an average of €200/year', '3x faster than...' Data makes content citable.
  - Evidence: HTML-heuristic
- **[WARN]** Section Length Optimization — Avg section: 319 words — only 14% in 80-200 word optimal range
  - Fix: Restructure content into sections of 120-180 words between H2/H3 headings. Each section should cover one topic completely. Split sections over 300 words, expand sections under 80 words.
  - Evidence: HTML-heuristic
- **[WARN]** Q&A Format Headings
  - Fix: Add H2/H3 headings phrased as questions your customers ask: 'How much does shipping cost?', 'What sizes are available?', 'How do I return an item?' Follow each with a direct, concise answer.
  - Evidence: HTML-heuristic
- **[WARN]** Common Question Coverage — Answers 2/5 — missing: returns/refunds, availability, payment
  - Fix: Add clear content answering the questions shoppers (and AI assistants) ask: pricing, shipping options & cost, returns/refund policy, stock availability, and accepted payment methods. A visible FAQ or info section covering these is ideal.
  - Evidence: HTML-heuristic
- **[WARN]** Canonical Tag for AI Deduplication — Canonical points to different URL: https://www.marton.cz/
  - Fix: Verify this canonical is intentional. AI models cluster near-duplicate URLs and choose one representative page. If canonical points to a different URL, AI will only index that target URL, not this page.
  - Evidence: HTML-heuristic
- **[WARN]** Return Policy Schema
  - Fix: Add MerchantReturnPolicy schema with: returnPolicyCategory (e.g., MerchantReturnFiniteReturnWindow), merchantReturnDays, returnMethod, returnFees. Link it from Product/Offer via hasMerchantReturnPolicy.
  - Evidence: schema
- **[WARN]** Shipping Details Schema
  - Fix: Add OfferShippingDetails schema with: shippingRate, shippingDestination, deliveryTime (handlingTime + transitTime). AI agents deprioritize products without shipping info.
  - Evidence: schema
- **[WARN]** Content Readability for AI — Grade 20 — too complex for broad AI citation (technical threshold: 14)
  - Fix: Simplify sentences (target 15-20 words average), use common words, break complex ideas into shorter paragraphs. AI extracts content for general audiences — if it's too academic, AI skips it.
  - Evidence: HTML-heuristic
- **[WARN]** Image Alt Text Quality for AI — 77% good, 13 poor, 0 missing
  - Fix: Improve alt text: use 3-15 descriptive words per image. Include product name, key feature, and context. Bad: 'image1' or 'photo'. Good: 'Red leather wallet with RFID protection — front view'.
  - Evidence: HTML-heuristic
- **[WARN]** Expert Quotations & Citations — 1 quotation found — add more for authority
  - Fix: Add expert quotes, customer testimonials, or industry citations using <blockquote> elements.
  - Evidence: HTML-heuristic
- **[WARN]** WebMCP Agentic Readiness
  - Fix: WebMCP (W3C Community Group standard, Chrome 146+) lets pages declare structured tools for AI agents. Add toolname and tooldescription attributes to <form> elements, or include a <script type='application/webmcp+json'> manifest.
  - Evidence: HTML-heuristic
- **[WARN]** Trust Widget — No trust widget (Heureka / Trustpilot / AggregateRating) detected
  - Fix: For SK/CZ shops: install the Heureka Ověřeno zákazníky widget (free for verified sellers — https://sluzby.heureka.sk). Alternatives: Trustpilot, Google Reviews with AggregateRating schema. Place the trust widget on product + category + footer.
  - Evidence: HTML-heuristic
- **[INFO]** llms.txt (AI Site Descriptor) — Not present — not required for AI visibility
  - Evidence: file-probe
- **[INFO]** llms-full.txt (Complete AI Content) — Not present — not required for AI visibility
  - Evidence: file-probe
- **[INFO]** Product Schema Completeness — No Product schema on this homepage — Product schema lives on product detail pages, which this single-URL scan didn't visit
  - Evidence: schema
- **[INFO]** Search Typo Handling (measurement) — A correctly spelled query and the same query with a typo return similarly sized pages (198905 B vs 198905 B) — consistent with typo tolerance
  - Evidence: HTML-heuristic · 198905 B response · https://marton.cz/action/ProductSearch/prepareString/?string=xyzqwerty-nezmysel · confidence: low
- **[INFO]** Reviews & Ratings Schema — No review schema on this homepage — review/rating schema typically lives on product pages
  - Evidence: schema
- **[INFO]** AI Plugin Manifest — Not present — not required (the ChatGPT-plugins manifest was retired in 2024)
  - Evidence: file-probe
- **[INFO]** GTIN/EAN Coverage — No product feed was sampled — GTIN/EAN coverage could not be verified
  - Evidence: HTML-heuristic
- **[INFO]** Speakable Content (Voice AI) — Not present — optional; SpeakableSpecification has limited assistant adoption
  - Evidence: HTML-heuristic
- **[INFO]** ai.txt (AI Permissions) — Not present — optional; AI-bot permissions are enforced via robots.txt, not ai.txt
  - Evidence: file-probe
- **[INFO]** Agent-Commerce Readiness — 50/100 — partly ready (Access 100 · Understand 0 · Discover 50 · Transact 50)
- **[INFO]** Agent: Access — can an agent get in — 100/100 (2 signals)
- **[INFO]** Agent: Understand — can it read the products — 0/100 (2 signals)
- **[INFO]** Agent: Discover — can it find the whole catalogue — 50/100 (4 signals)
- **[INFO]** Agent: Transact — can it act (cart, terms) — 50/100 (3 signals)
- **[PASS]** AI Bot Access Policy — No AI bot restrictions (allowed by default)
  - Evidence: file-probe
- **[PASS]** AI agent access (live) — ChatGPT-User and PerplexityBot get the same page as a browser
  - Evidence: file-probe · ChatGPT-User, PerplexityBot: same page as a browser · https://marton.cz
- **[PASS]** Content Accessibility for AI — 1708 words in raw HTML (3.6% text ratio) — readable by AI crawlers without executing JS
  - Evidence: HTML-heuristic
- **[PASS]** Zero-results Recovery — A search with no matches still offers products, suggestions or a way to get help
  - Evidence: HTML-heuristic · 198905 B response · https://marton.cz/action/ProductSearch/prepareString/?string=xyzqwerty-nezmysel · confidence: low
- **[PASS]** Content Depth for AI — 1708 words — rich content for AI analysis and citation
  - Evidence: HTML-heuristic
- **[PASS]** Heading Hierarchy for AI — Proper structure: 1 H1 → 5 H2s → 5 H3s — clear content outline
  - Evidence: HTML-heuristic
- **[PASS]** Semantic HTML Structure — 5/6 semantic elements: <nav>, <main>, <header>, <footer>, <aside>
  - Evidence: HTML-heuristic
- **[PASS]** Internal Link Density — 65 contextual internal links per 1,000 words — strong knowledge graph signal
  - Evidence: HTML-heuristic
- **[PASS]** Content-to-Boilerplate Ratio — 67% of text in <main>/<article> — clean content signal
  - Evidence: HTML-heuristic

### GDPR — 72/100

- **[FAIL]** Consumer Dispute Resolution Links — No EU ODR platform or supervisory-authority link found
  - Fix: Add the EU ODR platform link (https://ec.europa.eu/consumers/odr) and your national authority (SK: Slovenská obchodná inšpekcia / soi.sk, CZ: Česká obchodní inspekce / coi.cz) to the footer and Terms & Conditions.
  - Evidence: HTML-heuristic
- **[WARN]** Cookie Policy
  - Fix: Create a separate cookie policy page listing every cookie by: name, provider, purpose, category (necessary/analytics/marketing), and expiration. Most CMPs auto-generate this.
  - Evidence: HTML-heuristic
- **[WARN]** Legal Contact / Imprint Page
  - Fix: Add an imprint/about-us page with: company name, registered address, contact email, VAT number, and trade register info. In Germany/Austria/Switzerland this is legally required (Impressumspflicht).
  - Evidence: HTML-heuristic
- **[WARN]** Terms & Conditions Page
  - Fix: Create Terms & Conditions (AGB) covering: ordering process, payment, delivery, returns, warranty, and dispute resolution. Link it from the footer and checkout.
  - Evidence: HTML-heuristic
- **[WARN]** Right to Erasure (Data Deletion)
  - Fix: Provide a clear mechanism for users to request data deletion — either a dedicated page, a form, or explicit instructions in your privacy policy. Include a 'Delete my account' option in user settings.
  - Evidence: HTML-heuristic
- **[WARN]** Withdrawal of Consent Mechanism
  - Fix: Provide a clear way to withdraw consent: an 'unsubscribe' link in emails, a 'cookie settings' button in the footer, and a 'revoke consent' section in your privacy policy.
  - Evidence: HTML-heuristic
- **[WARN]** Withdrawal & Complaints Policy — Missing: right of withdrawal (odstúpenie od zmluvy), complaints procedure (reklamačný poriadok)
  - Fix: Publish and footer-link a Withdrawal policy (14-day right of withdrawal + model withdrawal form) and a Complaints procedure (reklamačný poriadok / reklamační řád). Reference them at checkout.
  - Evidence: HTML-heuristic
- **[WARN]** Online Withdrawal Function — No online withdrawal function or withdrawal information detected
  - Fix: Add a clearly labelled withdrawal function to your online interface (SK label: 'odstúpiť od zmluvy tu'), easy to find and continuously available during the 14-day withdrawal window — e.g. in the customer account / order detail plus a footer link. A logged-in customer must be able to submit a withdrawal declaration without re-identifying.
  - Evidence: HTML-heuristic · confidence: low
- **[INFO]** Legal guarantee notice — No harmonised notice on the legal guarantee was found on the pages we scanned — it may be on a page this scan does not open. Verify it is shown.
  - Evidence: HTML-heuristic · confidence: low
- **[PASS]** Cookie Consent Banner (CMP) — Cookiebot detected
  - Evidence: HTML-heuristic
- **[PASS]** Tracking Scripts & Consent — 1 tracker(s) detected with CMP: Google Analytics/GTM
  - Evidence: HTML-heuristic
- **[PASS]** Google Consent Mode v2 — Consent mode signals detected (ad_storage, analytics_storage)
  - Evidence: HTML-heuristic
- **[PASS]** Privacy Policy Page — /gdpr/
  - Evidence: HTML-heuristic
- **[PASS]** Data Encryption (No Mixed Content) — All resources loaded over HTTPS
  - Evidence: HTML-heuristic
- **[PASS]** Third-party Data Sharing — 3 third-party domain(s)
  - Evidence: HTML-heuristic
- **[PASS]** Newsletter Consent — Newsletter form with consent mechanism detected
  - Evidence: HTML-heuristic
- **[PASS]** Data Protection Officer Contact — DPO / data protection contact found
  - Evidence: HTML-heuristic

### Vulnerability — 59/100

- **[FAIL]** Known Vulnerabilities (CVE) — 5 CVEs associated with 1 detected component version
  - Fix: Update jQuery 1.11.3 → 3.7.1 (CVE-2011-4969, CVE-2012-6708, CVE-2015-9251, CVE-2020-11022, CVE-2020-11023). Verify each before acting — a host or distro can backport a security patch while the version string still reads as vulnerable, so a detected CVE is not proof your install is affected. CVE details: CVE-2011-4969: https://nvd.nist.gov/vuln/detail/CVE-2011-4969 · CVE-2012-6708: https://nvd.nist.gov/vuln/detail/CVE-2012-6708 · CVE-2015-9251: https://nvd.nist.gov/vuln/detail/CVE-2015-9251 · CVE-2020-11022: https://nvd.nist.gov/vuln/detail/CVE-2020-11022 · CVE-2020-11023: https://nvd.nist.gov/vuln/detail/CVE-2020-11023
  - Evidence: file-probe · confidence: low
- **[FAIL]** Admin Panel at Default URL — Accessible at: /admin
  - Fix: Rename your admin directory to a random, non-guessable path (e.g., /admin-x7k9m2). Add IP whitelisting via .htaccess, implement 2FA, and set up brute-force protection (fail2ban or similar).
  - Evidence: file-probe
- **[FAIL]** jQuery Version — jQuery 1.11.3 — critically outdated!
  - Fix: jQuery 1.11.3 is associated with multiple known security vulnerabilities. Upgrade to 3.7.x. If your plugins require jQuery 1.x/2.x, use jquery-migrate as a temporary bridge.
  - Evidence: file-probe · confidence: low
- **[FAIL]** DMARC Policy (Email Auth)
  - Fix: Add a DMARC TXT record at _dmarc.yourdomain.com: v=DMARC1; p=quarantine; rua=mailto:dmarc@yourdomain.com — start with quarantine, then move to reject.
  - Evidence: DNS
- **[FAIL]** Payment Page Security — Payment page missing: No HSTS, No CSP
  - Fix: CRITICAL: Your payment page is missing security headers: No HSTS, No CSP. PCI DSS Requirement 6.5 mandates protection against common vulnerabilities on pages handling card data.
  - Evidence: file-probe
- **[WARN]** Form CSRF Protection — 38/39 forms have CSRF tokens
  - Fix: Ensure ALL forms include a CSRF token. In PrestaShop, use {$csrf_token} in templates. In WordPress, use wp_nonce_field().
  - Evidence: HTML-heuristic · confidence: low
- **[WARN]** Cross-Origin Isolation
  - Fix: Add Cross-Origin-Opener-Policy: same-origin and Cross-Origin-Resource-Policy: same-origin headers. These protect against Spectre-type side-channel attacks.
  - Evidence: HTTP-header
- **[WARN]** Mixed Content Resources — 1 HTTP resource(s) on HTTPS page
  - Fix: Replace HTTP URLs with HTTPS: http://www.marton.cz/podminky-ochrany-osobnich-udaju/
  - Evidence: file-probe
- **[WARN]** Login Form Security — Login form blocks password manager autofill
  - Fix: Remove autocomplete='off' from login forms. Password managers improve security by enabling unique, complex passwords per site.
  - Evidence: file-probe
- **[PASS]** CMS Version Disclosure — No generator tag — CMS identity hidden
  - Evidence: HTML-heuristic
- **[PASS]** Sensitive Files Exposed — .env, .git, composer.json — all properly blocked
  - Evidence: file-probe
- **[PASS]** Install Script Exposed — No /install/ or /setup/ paths accessible
  - Evidence: file-probe
- **[PASS]** Directory Listing — Disabled — file structure hidden
  - Evidence: file-probe
- **[PASS]** Debug Mode / Error Exposure — No debug indicators found in page output
  - Evidence: HTML-heuristic
- **[PASS]** SPF Record (Email Security) — SPF configured: v=spf1 include:_spf.myshoptet.com include:_spf.forpsi.com include:servers.mcsv.n
  - Evidence: DNS
- **[PASS]** DKIM Signing (Email Auth) — DKIM configured (selectors: k1)
  - Evidence: file-probe

### NIS2

- **[INFO]** NIS2 Compliance — Not in scope — your business is below NIS2 thresholds (Annex I/II sector + 50+ employees / €10M+ turnover).

### Accessibility — 100/100

- **[INFO]** EAA Legal Basis — In scope for the European Accessibility Act (in force 28.6.2025): SK zákon 351/2022 Z. z., CZ zákon 424/2023 Sb., Dir. (EU) 2019/882 — assessed against EN 301 549. Inger provides EAA remediation audits.
- **[PASS]** Page Language — <html lang="cs"> is set
  - Evidence: HTML-heuristic
- **[PASS]** Image Alt Text — All 83 images have alt attributes
  - Evidence: HTML-heuristic
- **[PASS]** Form Labels — All 41 form inputs are labelled
  - Evidence: HTML-heuristic
- **[PASS]** Heading Structure — Single <h1> with a consistent heading outline
  - Evidence: HTML-heuristic
- **[PASS]** Link Text — Links use descriptive text
  - Evidence: HTML-heuristic · confidence: low
- **[PASS]** Landmark Regions — Semantic landmarks present (<main>, <nav>/<header>)
  - Evidence: HTML-heuristic
- **[PASS]** Zoom & Scaling — Pinch-zoom is not disabled
  - Evidence: HTML-heuristic
- **[PASS]** Skip Link — A skip-to-content link is present
  - Evidence: HTML-heuristic · confidence: low

---

Zulien Score is a free, automated heuristic audit covering performance (Core Web Vitals, TTFB, page weight), SEO (meta, structured data, sitemap), security (SSL/TLS, HSTS, CSP), mobile usability, AI readiness, GDPR / ePrivacy compliance and vulnerability surface. Results are cached for 6 hours and re-scanned on demand.

[View the full interactive report on Zulien Score →](https://score.zulien.sk/de/r/marton.cz)