mainperformance.de
https://mainperformance.de/
Scanned on April 30, 2026
Quick Wins — Top 5 Issues to Fix
- ✗No theme-color meta tag — improves mobile browser appearancemeta
- ✗No H1 tag foundcontent
- ✗Heading hierarchy has gaps (e.g. H1 to H3 without H2)content
- ✗Readability: 29 (difficult — simplify language)content
- ✗1 images missing width/height — causes layout shift (CLS)content
SEO — 69/100 (32 issues)
Failed Checks (32)
- ✗No theme-color meta tag — improves mobile browser appearancemeta
- ✗No H1 tag foundcontent
- ✗Heading hierarchy has gaps (e.g. H1 to H3 without H2)content
- ✗Readability: 29 (difficult — simplify language)content
- ✗1 images missing width/height — causes layout shift (CLS)content
- ✗21 of 22 images use legacy formats (JPG/PNG/GIF) — convert to WebP/AVIF for 25-50% smaller filescontent
- ✗No hreflang tags — add if targeting multiple languagestechnical
- ✗Text-to-HTML ratio: 6.5% — too code-heavy, add more contenttechnical
- ✗Inline CSS: 28.7 KB — too much, move to external stylesheetperformance
- ✗Inline JS: 27.4 KB — too much, use external scriptsperformance
- ✗24 render-blocking scripts — add defer or async attributeperformance
- ✗No font preload/preconnect — add for faster renderingperformance
- ✗No Cache-Control header — browser cannot cache effectivelyperformance
- ✗No Strict-Transport-Security headersecurity
- ✗Missing X-Content-Type-Options headersecurity
- ✗No Contact page link detected — add for trust signalstrust
- ✗No Terms of Service link — add for legal compliance and trusttrust
- ✗Web fonts without font-display: swap — may cause FOITperformance
- ✗4 target="_blank" links missing rel="noopener" — security risksecurity
- ✗No Web App Manifest — add for installability and modern web signalstechnical
- ✗Only 0 first-person pronouns — add personal experience (E-E-A-T)content
- ✗1% sentences use transition words — aim for 20%+content
- ✗Possible hidden text detected (font-size:0 or same-color text) — Google spam violationtechnical
- ✗Missing X-Frame-Options — clickjacking risksecurity
- ✗No Referrer-Policy header — may leak URL datasecurity
- ✗No Permissions-Policy — restrict camera/mic/geo accesssecurity
- ✗1 paragraph(s) exceed 150 words — break up for readabilitycontent
- ✗2 render-blocking script(s) in head — add defer or asyncperformance
- ✗4 duplicate ID(s) found: "trustindex-google-widget-html" (2x), "cfcd208495d565ef66e7dff9f98764da" (10x), "form-field-name" (2x) — must be unique per HTML specaccessibility
- ✗1 iframe(s) without sandbox attribute — security risksecurity
- ✗No IndexNow integration — add for instant Bing/Yandex indexing on content changestechnical
- ✗16 of 22 H2 sections have < 50 words — add more content or merge thin sectionscontent
Passed Checks (72)
- ✓Title tag found: "Personal Training Frankfurt | Mainperformance Studio"meta
- ✓Title length: 52 characters (optimal)meta
- ✓Meta description found (146 chars)meta
- ✓Description length: 146 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: "follow, index, max-snippet:-1, max-video-preview:-1, max-image-preview:large"meta
- ✓22 H2 tags foundcontent
- ✓2135 words on page (good content depth)content
- ✓12% long sentences (>20 words) — good readabilitycontent
- ✓All 22 images have ALT textcontent
- ✓JS-based lazy loading detectedcontent
- ✓54 internal links foundcontent
- ✓3 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:type set to "website"social
- ✓og:site_name: "Mainperformance"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
- ✓Apple touch icon foundtechnical
- ✓Compression: brtechnical
- ✓URL length: 27 chars (good)technical
- ✓URL uses hyphens or no separators (good)technical
- ✓No deprecated HTML tags foundtechnical
- ✓Content-Security-Policy header presentsecurity
- ✓About page link found — builds trust and E-E-A-Ttrust
- ✓Privacy Policy link foundtrust
- ✓Author byline found + author in schematrust
- ✓2 JSON-LD schema block(s) foundschema
- ✓Schema types: ItemList, WebSite, Organization, FAQPageschema
- ✓<!DOCTYPE html> declaredtechnical
- ✓No mixed content — all resources use HTTPStechnical
- ✓All 2 JSON-LD block(s) have valid syntaxschema
- ✓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 4 URL(s)technical
- ✓All 5 checked internal links are workingcontent
- ✓0% nofollow links (0/57) — good link equity flowcontent
- ✓OG image uses absolute URL (correct)social
- ✓1 resource hint(s) (dns-prefetch/preconnect) — faster loadingperformance
- ✓All schema types have required propertiesschema
- ✓73% responsive images (srcset/picture)content
- ✓Title uses "|" separator — Google may rewrite it; consider using "—" insteadmeta
- ✓max-image-preview:large — eligible for Google Discover large imagesmeta
- ✓Organization schema includes logoschema
- ✓Title and meta description are different (good)meta
- ✓OG URL matches canonical URL (consistent)social
- ✓Viewport allows zoom (good for accessibility)accessibility
- ✓59 links on page (within limit)content
- ✓DOM size: ~1287 elements (good)performance
- ✓No snippet blocking detected (good — content is fully accessible)technical
- ✓Schema dates consistent: published 2024-08-30T13:43:15+02:00, modified 2026-04-10T11:10:25+02:00schema
- ✓3 third-party script domain(s) (acceptable)performance
- ✓ARIA landmarks present: nav, skip-linkaccessibility
- ✓All 6 form input(s) have labels or aria-labelsaccessibility
- ✓1 feed(s) discovered (RSS) — aids content discoverytechnical
AEO — 69/100 (16 issues)
Failed Checks (16)
- ✗No definition lists (<dl>) — great for term/value pairsdiscoverability
- ✗No data tables — tables help AI compare and cite datastructure
- ✗Few key-value patterns — use "**Label:** value" format for AIstructure
- ✗No source citations — reference studies and data for authoritycitation
- ✗No Speakable schema — add for voice assistant optimizationvoice
- ✗Formal tone — use more "you", "your", "we" for AI readabilityvoice
- ✗First paragraph too short for AI snippetsvoice
- ✗No SearchAction schema — add for enhanced search presencevoice
- ✗Pronoun density: 0.0% — add more "you/your" for engagementvoice
- ✗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
- ✗No Table of Contents — add jump links for AI content navigationstructure
- ✗Statistics lack source references — attribute data to boost AI trustcitation
- ✗No <details>/<summary> elements — use for expandable Q&A contentstructure
Passed Checks (36)
- ✓Structured data found — AI can understand your contentdiscoverability
- ✓2135 words in HTML — good content for AI parsingdiscoverability
- ✓Clean URL structurediscoverability
- ✓5 semantic HTML5 elements founddiscoverability
- ✓37 content sections — well-structured for AIdiscoverability
- ✓Description + OG description both present — clear topic signalsdiscoverability
- ✓117 named entities found — helps AI understand contextdiscoverability
- ✓54 internal links — good topic cluster signaldiscoverability
- ✓1 code/pre blocks found — technical content AI can citediscoverability
- ✓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
- ✓9 lists found — structured content for AIstructure
- ✓Concise answer paragraphs after headings — great for AI citationstructure
- ✓Step-by-step content detected — AI loves procedural answersstructure
- ✓88% short sentences — easy for AI to extractstructure
- ✓98% concise paragraphs — scannable for AIstructure
- ✓Avg 128 words/section — sufficient depthstructure
- ✓Author information found — builds E-E-A-Tcitation
- ✓Publication/modification date foundcitation
- ✓Statistics and data found in content — highly citablecitation
- ✓Organization schema found — AI can identify your brandcitation
- ✓5/5 E-E-A-T signals presentcitation
- ✓3 external links — references authoritative sourcescitation
- ✓Content references 2026/2025 — fresh contentcitation
- ✓Topic focus: 100% — title keywords found in contentcitation
- ✓7 answer-box-ready paragraphs found after headingscitation
- ✓Avg 12 words/sentence — easy reading levelvoice
- ✓Active voice dominant (0% passive) — AI-friendlyvoice
- ✓36 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
- ✓Brand name consistent across 3/3 signals (title, OG, schema)citation
- ✓Content updated within 90 days — fresh content gets 3.2x more AI citationscitation
- ✓Video content with VideoObject schema — AI-optimized multimediadiscoverability
- ✓Brand "Mainperformance" used consistently (23 mentions)citation
GEO — 66/100 (20 issues)
Failed Checks (20)
- ✗Few question headings — add Q&A headings for AI Overviewoverview
- ✗Title and H1 don't align — confusing for AI topic matchingoverview
- ✗33% optimal paragraphs — aim for 20-80 words per paragraphoverview
- ✗No expert quotes — add professional opinions for credibilityauthority
- ✗Few industry terms — use relevant jargon for topical authorityauthority
- ✗No links to authoritative sources — cite Google, Schema.org, etc.authority
- ✗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
- ✗No data tables or charts — add structured data visualizationsformat
- ✗Single-perspective content — add "on the other hand..." for balanceformat
- ✗No actionable content — add "you should...", "try...", tipsformat
- ✗No <time> elements — wrap dates in <time datetime="...">semantic
- ✗1 image(s) with generic/short ALT text — use descriptive textformat
- ✗First 200 words lack topic keywords — AI may skip your content for extractionoverview
- ✗Author lacks credentials — anonymous content is a GEO penaltyauthority
- ✗Only 2/6 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 (38)
- ✓Definition-style content found — featured snippet candidateoverview
- ✓Content freshness signals detectedoverview
- ✓Comprehensive content (2135 words, 22 sections)overview
- ✓Step-by-step content detected — AI Overview friendlyoverview
- ✓3-level heading hierarchy — deep content structureoverview
- ✓Author schema markup foundauthority
- ✓Source citations found — increases AI trustauthority
- ✓2/5 trust signals foundauthority
- ✓Brand identity consistent (OG + Schema)authority
- ✓Original research/data signals foundauthority
- ✓Case study or examples found — AI values concrete examplesauthority
- ✓3 unique external domains — diverse sourcesauthority
- ✓FAQ Schema (FAQPage) foundformat
- ✓22 images all with ALT text — AI can understand visualsformat
- ✓Both ordered and unordered lists used — content varietyformat
- ✓3/6 formatting types used — rich contentformat
- ✓Conclusion/recommendation found — helps AI provide answersformat
- ✓2 entity types in Schema — AI can classify contentsemantic
- ✓6/14 semantic HTML5 elements — deep semantic structuresemantic
- ✓8 data points with units — highly citablesemantic
- ✓100% title keywords in first 200 words — good prominencesemantic
- ✓22 contextual links — good cross-referencingsemantic
- ✓Content categorization found — clear topic classificationsemantic
- ✓5 sections have subtopics (H3) — deep coveragesemantic
- ✓Mobile-friendly (viewport set)technical
- ✓HTTPS secure — trusted by AI systemstechnical
- ✓Page size: 240 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
- ✓4 Schema types — rich structured datatechnical
- ✓Language + OG locale set — clear language signaltechnical
- ✓2 ARIA landmarks found — good accessibility for AItechnical
- ✓2135 words — sufficient depth for AI analysisoverview
- ✓Definition + list combo — strong featured snippet candidateoverview
- ✓12 data points found — statistics boost AI visibility by 30-40%authority
- ✓max-image-preview:large — optimal AI rich result displaytechnical
- ✓Link anchor texts are descriptive — good AI context signalsemantic
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