f-21.ch
https://f-21.ch/
Scanned on April 20, 2026
Quick Wins — Top 5 Issues to Fix
- ✗No theme-color meta tag — improves mobile browser appearancemeta
- ✗Title-H1 alignment: 0% word overlap — title and H1 should share key termscontent
- ✗8 images missing width/height — causes layout shift (CLS)content
- ✗7 images could use loading="lazy" for better performancecontent
- ✗8 of 8 images use legacy formats (JPG/PNG/GIF) — convert to WebP/AVIF for 25-50% smaller filescontent
SEO — 71/100 (29 issues)
Failed Checks (29)
- ✗No theme-color meta tag — improves mobile browser appearancemeta
- ✗Title-H1 alignment: 0% word overlap — title and H1 should share key termscontent
- ✗8 images missing width/height — causes layout shift (CLS)content
- ✗7 images could use loading="lazy" for better performancecontent
- ✗8 of 8 images use legacy formats (JPG/PNG/GIF) — convert to WebP/AVIF for 25-50% smaller filescontent
- ✗Only 0 internal links — add more for better crawlingcontent
- ✗No external links — consider linking to authoritative sourcescontent
- ✗No apple-touch-icon — iOS home screen will lack custom icontechnical
- ✗No hreflang tags — add if targeting multiple languagestechnical
- ✗1 render-blocking scripts — add defer or async attributeperformance
- ✗No Strict-Transport-Security headersecurity
- ✗Missing X-Content-Type-Options headersecurity
- ✗No Content-Security-Policy header — XSS risksecurity
- ✗No About page link detected — add for credibilitytrust
- ✗No Privacy Policy link — required by GDPR and improves trusttrust
- ✗No Terms of Service link — add for legal compliance and trusttrust
- ✗JSON-LD found but no @type detectedschema
- ✗1 JSON-LD block(s) with syntax errors — fix invalid JSONschema
- ✗No Web App Manifest — add for installability and modern web signalstechnical
- ✗5% sentences use transition words — aim for 20%+content
- ✗Only 0% responsive images — add srcset for mobilecontent
- ✗No max-image-preview:large — add to robots meta for Google Discovermeta
- ✗Event content found but no Event schema — add for event rich resultsschema
- ✗Missing X-Frame-Options — clickjacking risksecurity
- ✗No Referrer-Policy header — may leak URL datasecurity
- ✗No Permissions-Policy — restrict camera/mic/geo accesssecurity
- ✗No RSS/Atom feed in <head> — add for content discovery by aggregators and AItechnical
- ✗No IndexNow integration — add for instant Bing/Yandex indexing on content changestechnical
- ✗4 of 8 H2 sections have < 50 words — add more content or merge thin sectionscontent
Passed Checks (71)
- ✓Title tag found: "Bitcoin Wedding Photography Switzerland | Privacy-First F-21"meta
- ✓Title length: 60 characters (optimal)meta
- ✓Meta description found (154 chars)meta
- ✓Description length: 154 chars (optimal)meta
- ✓Viewport meta tag found (mobile-friendly)meta
- ✓UTF-8 charset declaredmeta
- ✓Language attribute set on HTML tagmeta
- ✓No meta refresh redirect (good)meta
- ✓Robots: "index, follow"meta
- ✓meta keywords tag found — deprecated since 2009, Google ignores it. Remove to keep HTML cleanmeta
- ✓Single H1 tag foundcontent
- ✓8 H2 tags foundcontent
- ✓Heading hierarchy is correctcontent
- ✓858 words on page (good content depth)content
- ✓Readability: 52 (moderate — aim for 60+)content
- ✓5% long sentences (>20 words) — good readabilitycontent
- ✓All 8 images have ALT textcontent
- ✓No empty href attributes foundcontent
- ✓Open Graph title foundsocial
- ✓Open Graph description foundsocial
- ✓Open Graph image foundsocial
- ✓Open Graph URL foundsocial
- ✓og:type set to "website"social
- ✓og:site_name: "F-21 Bitcoin Wedding Photography"social
- ✓Twitter Card: "summary_large_image"social
- ✓Twitter title foundsocial
- ✓Twitter description foundsocial
- ✓Twitter image foundsocial
- ✓HTTPS enabledtechnical
- ✓Canonical tag foundtechnical
- ✓Canonical tag is self-referencing (correct)technical
- ✓Favicon foundtechnical
- ✓Compression: gziptechnical
- ✓URL length: 16 chars (good)technical
- ✓URL uses hyphens or no separators (good)technical
- ✓No deprecated HTML tags foundtechnical
- ✓Text-to-HTML ratio: 21.2% (good)technical
- ✓Inline CSS: 0.0 KB (acceptable)performance
- ✓Inline JS: 7.4 KB (acceptable)performance
- ✓Font preload/preconnect found — faster font loadingperformance
- ✓Cache-Control: max-age=600performance
- ✓Contact page/email link foundtrust
- ✓Author byline foundtrust
- ✓1 JSON-LD schema block(s) foundschema
- ✓<!DOCTYPE html> declaredtechnical
- ✓No mixed content — all resources use HTTPStechnical
- ✓font-display: swap detected — prevents invisible textperformance
- ✓Viewport includes width=device-width (responsive)meta
- ✓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
- ✓sitemap.xml found with valid formattechnical
- ✓Sitemap contains 1 URL(s)technical
- ✓OG image uses absolute URL (correct)social
- ✓2 resource hint(s) (dns-prefetch/preconnect) — faster loadingperformance
- ✓All schema types have required propertiesschema
- ✓32 first-person pronouns — strong personal experiencecontent
- ✓Title uses "|" separator — Google may rewrite it; consider using "—" insteadmeta
- ✓H1 length: 46 characters (optimal)content
- ✓Title and meta description are different (good)meta
- ✓OG URL matches canonical URL (consistent)social
- ✓Viewport allows zoom (good for accessibility)accessibility
- ✓4 links on page (within limit)content
- ✓DOM size: ~290 elements (good)performance
- ✓No snippet blocking detected (good — content is fully accessible)technical
- ✓No render-blocking scripts in head (good)performance
- ✓0 third-party script domain(s) (acceptable)performance
- ✓ARIA landmarks present: main, navaccessibility
- ✓All 3 form input(s) have labels or aria-labelsaccessibility
- ✓No duplicate IDs found (15 unique IDs)accessibility
- ✓No iframes on pagesecurity
AEO — 60/100 (21 issues)
Failed Checks (21)
- ✗Few internal links — AI values interconnected contentdiscoverability
- ✗No definition lists (<dl>) — great for term/value pairsdiscoverability
- ✗No code blocks — add <code>/<pre> for technical contentdiscoverability
- ✗No data tables — tables help AI compare and cite datastructure
- ✗Few key-value patterns — use "**Label:** value" format for AIstructure
- ✗No date information — AI prefers fresh, dated contentcitation
- ✗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
- ✗No Speakable schema — add for voice assistant optimizationvoice
- ✗First paragraph too short for AI snippetsvoice
- ✗No SearchAction schema — add for enhanced search presencevoice
- ✗No summary section — add Key Takeaways for AI extractionvoice
- ✗Few Q&A blocks — add question headings followed by answer paragraphsvoice
- ✗No /llms.txt found — add one to guide AI crawlers (emerging standard)discoverability
- ✗No sameAs links in schema — add social profiles for brand recognitioncitation
- ✗Brand name inconsistent — align site name across title, og:site_name, Organization schemacitation
- ✗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
- ✗Brand "F-21 Bitcoin Wedding Photography" mentioned only 0 time(s) — repeat for entity recognitioncitation
Passed Checks (31)
- ✓Structured data found — AI can understand your contentdiscoverability
- ✓858 words in HTML — good content for AI parsingdiscoverability
- ✓Clean URL structurediscoverability
- ✓5 semantic HTML5 elements founddiscoverability
- ✓8 content sections — well-structured for AIdiscoverability
- ✓Description + OG description both present — clear topic signalsdiscoverability
- ✓32 named entities found — helps AI understand contextdiscoverability
- ✓FAQ content detected — great for AI answers (Note: FAQ rich results limited to gov/health sites since Aug 2023)structure
- ✓Question-style headings found — ideal for AI snippetsstructure
- ✓10 lists found — structured content for AIstructure
- ✓Concise answer paragraphs after headings — great for AI citationstructure
- ✓Step-by-step content detected — AI loves procedural answersstructure
- ✓95% short sentences — easy for AI to extractstructure
- ✓95% concise paragraphs — scannable for AIstructure
- ✓Avg 125 words/section — sufficient depthstructure
- ✓Author information found — builds E-E-A-Tcitation
- ✓Statistics and data found in content — highly citablecitation
- ✓Organization schema found — AI can identify your brandcitation
- ✓4/5 E-E-A-T signals presentcitation
- ✓Topic focus: 100% — title keywords found in contentcitation
- ✓4 answer-box-ready paragraphs found after headingscitation
- ✓34 conversational words — good for AI summariesvoice
- ✓Avg 12 words/sentence — easy reading levelvoice
- ✓Active voice dominant (8% passive) — AI-friendlyvoice
- ✓Pronoun density: 3.5% — engaging, user-focusedvoice
- ✓12 H2/H3 headings — good content structure for AIvoice
- ✓No AI-blocking robots directives — AI crawlers can access contentdiscoverability
- ✓Freshness signal found (Last-Modified header or dateModified)citation
- ✓AI crawlers allowed in robots.txt (0/4 explicitly listed)discoverability
- ✓Content updated within 90 days — fresh content gets 3.2x more AI citationscitation
- ✓Table of Contents detected — helps AI navigate long contentstructure
GEO — 43/100 (33 issues)
Failed Checks (33)
- ✗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
- ✗Title and H1 don't align — confusing for AI topic matchingoverview
- ✗No step-by-step content — add numbered guides for AIoverview
- ✗No author schema — add for AI trust signalsauthority
- ✗No source citations — reference studies and data for authorityauthority
- ✗Only 1/5 trust signals — add reviews, certificationsauthority
- ✗No original data signals — "our research shows..." boosts AI citationauthority
- ✗No expert quotes — add professional opinions for credibilityauthority
- ✗No examples or case studies — add real-world examplesauthority
- ✗Few industry terms — use relevant jargon for topical authorityauthority
- ✗No links to authoritative sources — cite Google, Schema.org, etc.authority
- ✗Few external source domains — diversify your referencesauthority
- ✗No HowTo Schema — add for step-by-step rich resultsformat
- ✗No comparison content — add vs. sections for AI recommendationsformat
- ✗No summary section — add Key Takeaways or TL;DR for AIformat
- ✗No BreadcrumbList schema — add for better AI contextformat
- ✗Only one list type — use both <ul> and <ol> for content varietyformat
- ✗Only 1/6 formatting types — use bold, lists, tables, quotes, codeformat
- ✗Single-perspective content — add "on the other hand..." for balanceformat
- ✗No actionable content — add "you should...", "try...", tipsformat
- ✗No conclusion — add recommendations or a verdict sectionformat
- ✗No <time> elements — wrap dates in <time datetime="...">semantic
- ✗Few data points with units — add specific numbers (e.g., "300+ users")semantic
- ✗Few contextual links — interlink related contentsemantic
- ✗Only 0 Schema type(s) — add more for AI contexttechnical
- ✗Missing definition or list format — combine "X is..." with lists for snippetsoverview
- ✗Only 0 data points — add 5+ statistics for +30-40% AI visibility (Princeton study)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 Knowledge Graph alignmentauthority
Passed Checks (25)
- ✓Comprehensive content (858 words, 8 sections)overview
- ✓3-level heading hierarchy — deep content structureoverview
- ✓68% optimal paragraphs (20-80 words) — AI-friendlyoverview
- ✓Brand identity consistent (OG + Schema)authority
- ✓FAQ Schema (FAQPage) foundformat
- ✓8 images all with ALT text — AI can understand visualsformat
- ✓Data visualization elements found (tables/charts)format
- ✓1 entity types in Schema — AI can classify contentsemantic
- ✓6/14 semantic HTML5 elements — deep semantic structuresemantic
- ✓100% title keywords in first 200 words — good prominencesemantic
- ✓Content categorization found — clear topic classificationsemantic
- ✓2 sections have subtopics (H3) — deep coveragesemantic
- ✓Mobile-friendly (viewport set)technical
- ✓HTTPS secure — trusted by AI systemstechnical
- ✓Page size: 26 KB — reasonabletechnical
- ✓Open Graph fully configured (title, description, image)technical
- ✓Canonical URL set — prevents AI from citing duplicatestechnical
- ✓Page allows AI indexing (no noindex/nosnippet)technical
- ✓Language + OG locale set — clear language signaltechnical
- ✓3 ARIA landmarks found — good accessibility for AItechnical
- ✓All image ALT texts are descriptive (>5 chars)format
- ✓858 words — sufficient depth for AI analysisoverview
- ✓First 200 words contain topic keywords — AI extracts primarily from the startoverview
- ✓No snippet restrictions — AI can freely extract content (good)technical
- ✓Link anchor texts are descriptive — good AI context signalsemantic
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