Technical SEO Audit for github.com
90
/ 100
Excellent
TL;DR
Free technical SEO audit for github.com. Score: 90/100 across 60+ on-page, performance, mobile, and security signals. Run by Baaed FREE SEO Suite.
Audit Results
Analytics 3 signals
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Google Analytics No Google Analytics detected. Without analytics you can't measure traffic or conversions.
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Google Tag Manager No GTM detected. Optional — only worth adding if you run many tracking pixels.
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Facebook Pixel No Facebook Pixel detected. Optional — only worth adding if you run Meta ads and need retargeting.
Mobile 2 signals
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Mobile Viewport Mobile viewport correctly configured.
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Flash Content No Flash content — good, Flash has been discontinued since 2020.
Onpage 18 signals
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Title Tag Title present, 61 characters. Good: "GitHub · Change is constant. GitHub keeps you ahead. · GitHub"
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Meta Description Description is 186 characters — may be truncated on mobile SERPs. Aim for 140–160. Use our Meta Tag Generator →
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Meta Keywords No meta keywords tag present — this is modern best practice. Google ignores this tag since 2009.
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H1 Heading Found 4 H1 headings. Best practice is exactly one H1 per page.
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Heading Hierarchy Logical heading structure: H1:4 H2:10 H3:16 H4:0 H5:0 H6:0.
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Image Alt Text All 24 images have alt text. Excellent for accessibility and SEO.
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Internal vs External Links 127 internal, 13 external. Internal link ratio is healthy (91%).
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Follow / Nofollow 140 dofollow, 0 nofollow. Link equity flows through dofollow links to linked pages.
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Canonical URL Canonical tag present: https://github.com
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Language Attribute Page declares lang="en".
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Character Encoding UTF-8 charset declared — correct modern default.
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DOCTYPE HTML5 DOCTYPE declared correctly.
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Custom 404 Page Page returns 404 but the body is only 9 bytes. Add a branded custom 404 page to keep visitors engaged.
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W3C HTML Validity 129 W3C HTML errors. Significant markup issues — may affect parser/crawler behavior.
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Text to HTML Ratio Text/HTML ratio: 24.7% — healthy content-to-markup balance.
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Total Link Count 140 links on page.
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Author Meta No author meta tag. Optional — relevant for blogs and news sites.
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Readability Proxy Average sentence length ~26 words — good readability range.
Performance 12 signals
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HTTP Status Server returned HTTP 200.
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Response Time Fast TTFB: 51ms. Well under Google's 800ms target.
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Page Size Page weight: 124 KB. Lightweight — good for mobile users on slow connections.
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Compression Gzip compression active. Consider upgrading to Brotli for ~15-20% smaller responses.
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Browser Caching Static asset https://github.githubassets.com/favicons/favicon.svg has no Cache-Control or Expires header. Every revisit re-downloads it. Add far-future cache headers via Apache/Nginx config or a CDN.
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HTTP Version Serving over HTTP/2 — multiplexed and modern.
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External Resources 105 external files. Bundle and minify to improve load time significantly.
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Inline <style> Tags 2 inline style blocks. A small amount can be fine (critical CSS), but keep it minimal.
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Inline <script> Tags No inline scripts — excellent for CSP and caching.
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Iframes No iframes — keeps load time predictable.
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Image Count 24 images.
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Broken Link Check Crawled 1 internal links — all returned a 2xx/3xx response. Run full broken-links scan →
Security 9 signals
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HTTPS Page served over HTTPS. Good for SEO, privacy, and user trust.
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HSTS Strict-Transport-Security header present. Forces HTTPS on future visits.
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Content Security Policy Content-Security-Policy header present. Protects against XSS.
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X-Frame-Options / CSP frame-ancestors Clickjacking protection is in place.
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Mixed Content No mixed content — all resources loaded over HTTPS.
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Server Header Disclosure Server header present but version hidden: "github.com".
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X-Powered-By Disclosure No X-Powered-By header — good.
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security.txt security.txt file present — RFC 9116 standard for security contact info.
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DNSBL / Spam Blocklist IP is clean on the 5 major DNSBL zones spot-checked (Spamhaus, SpamCop, Barracuda, SORBS, PSBL).
Technical 16 signals
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Viewport Meta Tag Responsive viewport declared: width=device-width.
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Robots Meta Tag No restrictive robots meta — default is index,follow (good).
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robots.txt robots.txt is present at https://github.com/robots.txt.
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XML Sitemap No sitemap found at standard locations (/sitemap.xml, /sitemap_index.xml) or declared in robots.txt. Generate and submit one to Google Search Console. Generate XML Sitemap →
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Structured Data (Schema) Structured data present — RDFa detected. Eligible for rich results.
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Structured Data Richness No schema types detected.
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Open Graph Tags All core Open Graph tags present (title, description, image, url, type).
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Twitter Card Twitter Card configured: type "summary_large_image".
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AMP Page is not AMP. This is fine — AMP is optional and declining in Google's ranking signals.
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Favicon Favicon declared: https://github.githubassets.com/favicons/favicon.svg.
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Hreflang 8 hreflang alternates declared.
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ads.txt No ads.txt file. This is optional — add one only if you monetize via programmatic display ads.
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Server IP / Location Resolved to 140.82.112.4.
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Server Location / Host Hosting provider: <strong>Unknown</strong> (rDNS: <code>lb-140-82-112-4-iad.github.com</code>).
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www / non-www canonical www redirects to apex. Single canonical hostname configured correctly.
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Domain Age Registered 2007-10-09 (18 year(s) old). Mature domain — Google trusts age modestly.
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