Audit Result

UUID: 01a0675d-71d0-70f1-b524-50d04588747a

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kevinjaenicke.github.io

https://kevinjaenicke.github.io/KJ---Webdesign/

Scanned 3 days ago

73
Fair Score
39 total checks
Passed
20
Warnings
17
Errors
2

Meta Information

  • Title Tag Pass

    Found 51 characters. Length is optimal.

  • Meta Description Warning

    Found 172 characters. Keep description around 70-160 characters.

    Fix: Add <meta name="description" content="..."> in <head> with a clear page summary.

  • Canonical URL Warning

    Canonical link not found.

    Fix: Add <link rel="canonical" href="https://example.com/page"> to avoid duplicate URL ambiguity.

  • Favicon Warning

    No favicon link found in <head>.

    Fix: Add <link rel="icon" href="/favicon.ico"> to ensure browser tab and bookmark visibility.

  • Viewport Meta Pass

    Viewport configured: width=device-width, initial-scale=1.0

  • HTML Lang Pass

    Language declared as "de".

Content Structure

  • H1 Tag Pass

    Exactly one H1 found: "Moderne Websites fürkleine Unternehmen".

  • Heading Hierarchy Pass

    Valid heading flow across 24 headings.

  • Image Alt Text Error

    3 of 23 images are missing alt text.

    Fix: Add meaningful alt attributes to all informative images for accessibility and image SEO.

Technical Optimization

  • HTTPS Pass

    Page is served over HTTPS.

  • HSTS & HTTPS Redirect Warning

    2 HTTPS hardening issues detected.

    • • HSTS is missing includeSubDomains.
    • • Could not probe the HTTP version of this page.
    • • Strict-Transport-Security: max-age=31556952

    Fix: Set Strict-Transport-Security with a long max-age, add includeSubDomains, and redirect all HTTP requests to HTTPS.

  • Security Headers Warning

    Missing: content-security-policy, x-frame-options, x-content-type-options, referrer-policy.

    Full HTTP headers (23)
    • • accept-ranges: bytes
    • • access-control-allow-origin: *
    • • age: 0
    • • cache-control: max-age=600
    • • content-encoding: gzip
    • • content-length: 3181
    • • content-type: text/html; charset=utf-8
    • • date: Thu, 03 Sep 2026 13:02:51 GMT
    • • etag: W/"6a2079ad-3dee"
    • • expires: Thu, 03 Sep 2026 13:12:51 GMT
    • • last-modified: Wed, 03 Jun 2026 18:59:57 GMT
    • • server: GitHub.com
    • • strict-transport-security: max-age=31556952
    • • vary: Accept-Encoding
    • • via: 1.1 varnish
    • • x-cache: MISS
    • • x-cache-hits: 0
    • • x-fastly-request-id: 1ed6d755cc84e8e65d07057af1a38949d15bebbe
    • • x-github-edge-region: iad
    • • x-github-request-id: 1118:274CFB:872E31:A2EA7D:6A996FF5
    • • x-proxy-cache: MISS
    • • x-served-by: cache-iad-khef600068-IAD
    • • x-timer: S1788440571.056103,VS0,VE33

    Fix: Add the missing security headers at your reverse proxy or application layer.

  • CSP Quality Warning

    Content-Security-Policy header is missing.

    • • Missing Content-Security-Policy header.

    Fix: Define a restrictive Content-Security-Policy and avoid unsafe directives such as unsafe-inline and unsafe-eval.

  • Cookie Security Pass

    No first-party cookies were set during the initial page load.

  • Server Version Disclosure Pass

    Server response headers do not expose version tokens.

  • Cloudflare Proxy Warning

    Domain does not appear to be behind Cloudflare.

  • Perceived Load Time Pass

    Loaded in 0.22s (perceived).

  • Render Blocking Resources Warning

    0 scripts and 1 styles may block rendering.

    • • style: https://kevinjaenicke.github.io/KJ---Webdesign/src/css/styles.css

    Fix: Defer non-critical scripts and inline critical CSS to improve first paint speed.

  • Compression Pass

    Text-like assets appear compressed.

  • Robots.txt Error

    robots.txt missing or inaccessible (404).

    Fix: Create a robots.txt file at https://kevinjaenicke.github.io/robots.txt and allow intended crawlers.

  • Sitemap File Warning

    Sitemap missing or inaccessible at https://kevinjaenicke.github.io/sitemap.xml (404).

    Fix: Publish a sitemap.xml and reference it in robots.txt with: Sitemap: https://kevinjaenicke.github.io/sitemap.xml

  • Crawl Directives Warning

    No robots meta tag defined.

    Fix: Add <meta name="robots" content="index,follow"> (or the intended directive) in <head>.

Accessibility Basics

  • Form Labels Pass

    All 0 controls are labeled.

  • Landmarks Pass

    Header, nav, main, and footer landmarks are present.

  • Tap Target Size Warning

    17 interactive elements appear smaller than 48px.

    • • a (Start) - 36x21px
    • • a (Leistungen) - 81x21px
    • • a (Preise) - 45x21px
    • • a (Projekte) - 61x21px
    • • a (Über mich) - 77x21px
    • • a (Kontakt) - 57x21px
    • • a (E-Mail: [email protected]) - 288x32px
    • • a (Mobile: 01523 3720422) - 288x32px
    • • a (Startseite) - 95x27px
    • • a (Leistungen) - 95x27px
    • • a (Preise) - 95x27px
    • • a (Projekte) - 95x27px
    • • a (über mich) - 95x27px
    • • a (Kontakt) - 95x27px
    • • a (Impressum) - 100x32px
    • • a (Datenschutz) - 100x32px
    • • a (AGB) - 100x32px

    Fix: Increase target size to at least 48x48 CSS pixels for touch interactions.

Social & Rich Results

  • Open Graph Basics Warning

    Missing og:title or og:description.

    Fix: Add og:title and og:description tags to control social preview text.

  • Open Graph Image Warning

    og:image is missing.

    Fix: Add <meta property="og:image" content="https://..."> with a high-quality share image.

  • Twitter Card Warning

    twitter:card is missing.

    Fix: Add <meta name="twitter:card" content="summary_large_image"> for better previews on X.

  • Structured Data Warning

    No JSON-LD schema scripts found.

    Fix: Add JSON-LD structured data matching your page type (Organization, Article, Product, etc.).

  • PWA Metadata Warning

    Manifest or Apple touch icon is missing.

    Fix: Link your web app manifest and apple-touch-icon for improved install/share experiences.

  • Open Graph/Twitter Quality Warning

    5 social preview quality issues detected.

    • • ISSUE: og:url should be an absolute URL.
    • • ISSUE: og:title should typically be between 10 and 70 characters.
    • • ISSUE: og:description should typically be between 50 and 200 characters.
    • • ISSUE: Use an absolute URL for og:image or twitter:image.
    • • ISSUE: twitter:card is missing.
    • • GUIDELINE: Optimal og:title length: 40-60 characters (acceptable: 10-70).
    • • GUIDELINE: Optimal og:description length: 110-160 characters (acceptable: 50-200).
    • • GUIDELINE: Optimal preview image size: 1200x630 pixels.
    • • GUIDELINE: Optimal preview image aspect ratio: 1.91:1.
    • • GUIDELINE: Optimal preview image file size: under 5 MB.
    • • GUIDELINE: Recommended twitter:card: summary_large_image.

    Fix: Use absolute OG/Twitter URLs, keep metadata lengths in recommended ranges, and provide a preview image near 1200x630 under 5MB.

Links Analysis

  • Internal Links Pass

    Checked 9 links. No broken internal links found.

  • External Links Pass

    No broken external links found in checked URLs.

  • Link Format Pass

    All 18 links use non-empty href values.

Performance & Runtime