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On-page SEO audit

SEO audit of github.com

https://github.com/

JSON
Very good
Analyzed on Oct 31, 2026 at 7:03 PM HTTP 200 TTFB 446 ms 517.6 KB of HTML 848 words Server: github.com

Google preview

Simulated desktop search result.

github.com
https://github.com

GitHub · Change is constant. GitHub keeps you ahead. · GitHub…

Join the world's most widely adopted, AI-powered developer platform where millions of developers, businesses, and the largest open source community build softw…

  • Title70 chars
  • Description186 chars
  • Canonicalhttps://github.com
  • Languageen

Top issues to fix

Sorted by impact on the score.

  • HTML sizeError
    517.6 KB.
    Very heavy HTML page.
  • Title tagNeeds work
    70 characters — likely to be truncated in Google.
    Shorten it to 60 characters max.
  • Meta descriptionNeeds work
    186 characters — will be truncated in results.
    Keep it under 160 characters.
  • Structured dataNeeds work
    No structured data.
    Add schema.org JSON-LD (Organization, Article, Product, FAQ…) for rich results.
  • Text-to-HTML ratioNeeds work
    1.4% — very heavy code compared to text.
    Slim down the HTML (external CSS/JS, less unnecessary markup).
  • Image dimensionsNeeds work
    9 image(s) without width/height.
    Set dimensions to prevent layout shifts (CLS).
  • External resourcesNeeds work
    8 script(s), 42 stylesheet(s).
    Bundle and minify your resources.

Content & tags

76 / 100
Title tag 70 characters — likely to be truncated in Google.Shorten it to 60 characters max.
Meta description 186 characters — will be truncated in results.Keep it under 160 characters.
H1 heading Single H1: “Software still starts with you”.
Heading structure 28 headings, consistent hierarchy.
Content length 848 words.
Text-to-HTML ratio 1.4% — very heavy code compared to text.Slim down the HTML (external CSS/JS, less unnecessary markup).
Declared language lang="en".

Technical & indexability

100 / 100
HTTP status 200 OK.
HTTPS Secure connection.
Redirects No redirects.
Indexability Page is indexable.
Canonical URL Self-referencing canonical.
Mobile viewport Viewport tag present.
Encoding Charset declared.
robots.txt Present and not blocking.
XML sitemap Found: https://github.com/sitemap_marketing.xml (376 entries).
Favicon Favicon declared.
Readable URL Short, clean URL.
Hreflang 8 language version(s): en-us, pt-br, es, ja, ko-kr, fr-fr, de-de, x-default.

Social & structured data

79 / 100
Open Graph og:title, og:description and og:image present.
Twitter Card twitter:card = summary_large_image.
Structured data No structured data.Add schema.org JSON-LD (Organization, Article, Product, FAQ…) for rich results.

Performance

79 / 100
Server response time 446 ms (TTFB).
HTML size 517.6 KB.Very heavy HTML page.
Compression GZIP enabled (90.1 KB transferred).
Render-blocking scripts No render-blocking scripts in <head>.
External resources 8 script(s), 42 stylesheet(s).Bundle and minify your resources.
HSTS HSTS header present.
Cache-Control max-age=0, private, must-revalidate

Heading structure

H1 · 1H2 · 12H3 · 15H4 · 0H5 · 0H6 · 0
  • H2Navigation Menu
  • H1Software still starts with you
  • H2Product walkthrough
  • H2GitHub activity
  • H2GitHub Platform
  • H3GitHub
  • H3Copilot
  • H2More ways to use GitHub
  • H3Actions
  • H3Code Quality
  • H3Code Security
  • H3Secret Protection
  • H3Codespaces
  • H2Whatever you're building, you can build it on GitHub
  • H2What our customers say
  • H2Companies using GitHub
  • H2Customer stories
  • H3Figma streamlines development and strengthens security
  • H3Mercedes-Benz standardizes source code and automates onboarding
  • H3Mercado Libre cuts coding time by 50%with GitHub Copilot
  • H2Featured repositories
  • H2Join the world's largest developer community
  • H2Site-wide Links
  • H3The developer newsletter
  • H3Products
  • H3Developers
  • H3Support
  • H3Company

Top keywords

Most frequent words in the visible content (4+ letters).

WordCountDensityTitleDesc.H1
github 16 1.89 % ✓——
stars 14 1.65 % ———
code 9 1.06 % ———
developers 6 0.71 % —✓—
time 5 0.59 % ———
development 4 0.47 % ———
merged 4 0.47 % ———
coding 3 0.35 % ———
tasks 3 0.35 % ———
projects 3 0.35 % ———
fixes 3 0.35 % ———
source 3 0.35 % —✓—

Links & images

  • Internal links111
  • External links31
  • Nofollow links0
  • Images22 (12 lazy-loaded)
  • Images without alt0

Most linked external domains

docs.github.com · 7github.blog · 4learn.github.com · 3githubstatus.com · 2help.github.com · 1githubuniverse.com · 1cli.github.com · 1skills.github.com · 1

Social sharing & schema.org

  • og:titleGitHub · Change is constant. GitHub keeps you ahead. · GitH…
  • og:descriptionJoin the world's most widely adopted, AI-powered developer …
  • og:imagehttps://images.ctfassets.net/8aevphvgewt8/76epZKB…
  • twitter:cardsummary_large_image
  • schema.org types—
  • Sitemaphttps://github.com/sitemap_marketing.xml

Automated audit of the submitted page · 1-hour cache · results are indicative

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