The Complete Website Audit Checklist

A thorough website audit covers far more than basic SEO. In 2025, you need to evaluate technical health, content quality, AI visibility (AEO + GEO), local signals, performance, and conversion architecture. Here's the complete checklist our 175 AI agents follow.

Technical SEO Checklist

• HTTPS on all pages (no mixed content)
• XML sitemap submitted and error-free
• Robots.txt not blocking important pages
• No orphan pages (all pages linked internally)
• Canonical tags on all pages (self-referencing)
• No 404 errors on internal links
• Proper redirect chains (no 301→301 loops)
• Mobile-responsive (viewport meta tag)
• Page speed passing Core Web Vitals
• Hreflang tags (if multilingual)

On-Page SEO Checklist

• Unique title tag per page (50-60 chars)
• Compelling meta descriptions (150-160 chars)
• One H1 per page, using target keyword
• Proper heading hierarchy (H1→H2→H3)
• Alt text on all images (descriptive, not stuffed)
• Internal links with descriptive anchor text
• URL structure clean and readable
• Content depth > 800 words for key pages
• No keyword stuffing or thin content
• Schema markup appropriate to page type

AI Readiness Checklist (AEO + GEO)

• Entity clearly defined on homepage
• Comprehensive Organization schema
• FAQ sections on key pages
• Content formatted for AI extraction
• Unique data/statistics AI can cite
• Summarizable content structure
• Topical authority depth (content clusters)
• E-E-A-T signals present and clear
• Factual claims with verifiable sources
• Answer-first content formatting

Local SEO Checklist

• NAP consistent (Name, Address, Phone)
• LocalBusiness schema implemented
• Google Business Profile claimed and complete
• Service area pages for each location served
• Reviews strategy active (requesting + responding)
• Local content (community, events, news)

Don't do this manually — SAGIScan checks all 175 items automatically and prioritizes fixes by impact.