Audit Result

UUID: 019e72e4-434c-70d8-ac74-0cef32239e7c

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kevinjaenicke.github.io

https://kevinjaenicke.github.io/Geb-udeenergieberater-HWK-/

Scanned 3 months ago

69
Fair Score
39 total checks
Passed
18
Warnings
18
Errors
3

Meta Information

  • Title Tag Warning

    Found 21 characters. Keep title between 30 and 60 characters.

    Fix: Add a unique <title> tag describing the main page intent in 30-60 characters.

  • Meta Description Error

    Missing meta description.

    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: "Energieberatung mit Weitblick".

  • Heading Hierarchy Pass

    Valid heading flow across 4 headings.

  • Image Alt Text Error

    1 of 8 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 (22)
    • • accept-ranges: bytes
    • • access-control-allow-origin: *
    • • age: 0
    • • cache-control: max-age=600
    • • content-encoding: gzip
    • • content-length: 1680
    • • content-type: text/html; charset=utf-8
    • • date: Fri, 29 May 2026 08:40:21 GMT
    • • etag: W/"6a0d6aa5-156d"
    • • expires: Fri, 29 May 2026 08:50:21 GMT
    • • last-modified: Wed, 20 May 2026 08:02:45 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: aedc7ac426ae0845f18cbadf6b91dada927e3ae3
    • • x-github-request-id: 57BE:96BC2:1FAFD92:23E7331:6A1950F4
    • • x-proxy-cache: MISS
    • • x-served-by: cache-nyc-kteb1890094-NYC
    • • x-timer: S1780044021.273577,VS0,VE30

    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 0.19s (perceived).

  • Render Blocking Resources Warning

    0 scripts and 1 styles may block rendering.

    • • style: https://kevinjaenicke.github.io/Geb-udeenergieberater-HWK-/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

    14 interactive elements appear smaller than 48px.

    • • a (Leistungen) - 80x28px
    • • a (Über mich) - 75x28px
    • • a (Kontakt) - 55x28px
    • • a#header-btn (Jetzt Kontakt aufnehmen) - 221x37px
    • • a (BEG Einzelmaßnahmen) - 254x37px
    • • a (Energieausweise) - 254x37px
    • • a (Sanierungsfahrplan) - 254x37px
    • • a (Dachsanierung) - 254x37px
    • • a (Fensteraustausch) - 254x37px
    • • a (Heizungsförderung) - 254x37px
    • • a.kontakt-link-style (01522 2794637) - 114x21px
    • • a#email-btn.kontakt-link-style ([email protected]) - 215x21px
    • • a#kontakt-btn (Jetzt anrufen) - 136x37px
    • • a (Impressum) - 82x21px

    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 3 links. No broken internal links found.

  • External Links Pass

    No broken external links found in checked URLs.

  • Link Format Warning

    7 links are empty, invalid, or placeholder-only.

    • • href="(empty)"
    • • href="(empty)" text="BEG Einzelmaßnahmen"
    • • href="(empty)" text="Energieausweise"
    • • href="(empty)" text="Sanierungsfahrplan"
    • • href="(empty)" text="Dachsanierung"
    • • href="(empty)" text="Fensteraustausch"
    • • href="(empty)" text="Heizungsförderung"

    Fix: Replace empty/#/javascript href values with real destinations or use buttons for non-navigation actions.

Performance & Runtime