70+ Real SEO Checks Across 12 Categories
On-Page SEO (12 checks)
- Title tag & length optimization
- Meta description quality
- H1–H4 heading hierarchy
- Word count & content depth
- Text-to-HTML ratio
- Image alt text & lazy loading
Technical SEO (16 checks)
- HTTP status code
- Canonical & robots directives
- Noindex detection
- JSON-LD schema markup
- robots.txt & sitemap.xml
- TTFB & HTML size & minification
Performance (8 checks)
- Server response time (TTFB)
- CSS & JS file count audit
- Render-blocking resources
- Inline scripts/styles audit
- Image lazy loading status
- Iframe count analysis
Security (6 checks)
- HTTPS / SSL enforcement
- HSTS header verification
- X-Content-Type-Options
- X-Frame-Options / CSP
- Content Security Policy
- Referrer Policy header
Social & OG Tags (10 checks)
- Full Open Graph audit
- Twitter Card configuration
- OG image & dimensions
- Social site name & creator
- Sharing preview quality
Accessibility (6 checks)
- HTML lang attribute
- Skip navigation link
- ARIA landmarks & labels
- Form label associations
- Image alt coverage
Expert Help & Insights
Deep SEO Audit Tool — FAQ
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