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Results for github.com
Scanned 13 Apr 2026, 16:04 PKT • 85ms response • HTTP 200 • HTTPS
77
/100
Overall Score
Needs Work
78
/100
SEO
Needs Work
5P • 4W • 0F
64
/100
Performance
Needs Work
4P • 1W • 2F
94
/100
Security
Good
8P • 1W • 0F
71
/100
Accessibility
Needs Work
4P • 2W • 1F
✓
Page Title
GitHub · Change is constant. GitHub keeps you ahead. · GitHub
Good length (61 chars).
!
Meta Description
Join the world's most widely adopted, AI-powered developer platform where millio…
Too long (186 chars). Google truncates above 160 characters.
!
H1 Heading
4 H1 tags found
Multiple H1s dilute SEO authority. Use only one per page.
✓
Canonical URL
https://github.com
Canonical tag present — prevents duplicate content issues.
✓
Open Graph Tags
GitHub · Change is constant. GitHub keeps you ahead.
og:title found — good for social sharing.
✓
Twitter Card
summary_large_image
Twitter card meta present.
!
Image Alt Text
17 of 24 images missing alt
Add descriptive alt attributes to all images.
✓
Robots Meta
Not set (defaults to index, follow)
Defaults to indexable — no action needed unless intentional.
!
Structured Data
None found
Add JSON-LD schema markup (Product, Article, FAQ, etc.) for rich results.
✓
Response Time
85ms
Excellent! Under 800ms is ideal.
✕
Page Size
551.2 KB
Very large page. Minify HTML, remove inline scripts/styles, lazy-load resources.
!
Compression
Not detected
Enable gzip/Brotli compression on your server. Can reduce transfer size by 60–80%.
✓
Browser Caching
max-age=0, private, must-revalidate
Cache-Control headers are set — reduces repeat visit load times.
✓
Lazy Loading
24/24 images use loading=lazy
Images are lazy-loaded — improves initial page render speed.
✕
External Resources
66 JS, 18 CSS files
Too many third-party requests (84). Each adds latency — bundle and minimize.
✓
Viewport Meta
width=device-width
Viewport meta is correctly configured for mobile.
✓
HTTPS / SSL
Active
Site is served over HTTPS — all traffic is encrypted.
✓
HSTS Header
max-age=31536000; includeSubdomains; preload
HSTS enforces HTTPS connections and protects against protocol downgrade attacks.
✓
X-Frame-Options
deny
Clickjacking protection is in place.
✓
X-Content-Type-Options
nosniff
MIME-type sniffing protection enabled.
✓
Content-Security-Policy
default-src 'none'; base-uri 'self'; child-src github.githubassets.com github.co…
CSP header found — helps prevent XSS attacks.
✓
Referrer-Policy
origin-when-cross-origin, strict-origin-when-cross-origin
Referrer policy controls what information is sent in the Referer header.
!
Server Header
github.com
Server header reveals software version. Hide it to reduce attack surface.
✓
X-Powered-By
Not exposed
Technology stack not exposed — good.
✓
Mixed Content
None detected
All resources appear to be loaded over HTTPS.
✓
Language Attribute
en
lang attribute set on <html> — helps screen readers use correct language.
✕
Image Alt Text
17 images missing alt
Images without alt text are inaccessible to screen readers. WCAG 2.1 Level A failure.
✓
Skip Navigation
Found
"Skip to content" links allow keyboard users to bypass navigation.
✓
Form Inputs
All 6 inputs are labelled
Form inputs appear to have accessible labels.
!
Heading Structure
H1: 4, H2: 10, H3: 16
Review heading hierarchy to ensure logical structure.
✓
ARIA Roles
39 elements with role
ARIA roles found — enhances screen reader experience.
!
Color Contrast
Manual review needed
Automated contrast checking requires a browser-based tool. Use Chrome DevTools or Lighthouse.
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