By Taqweem Ahmad, Founder of Dexora Digital
Run all 40 checks automatically in 60 seconds at allinoneseoaudit.com/technical-seo-audit. Or work through them manually using this checklist.
Crawlability (Checks 1-10)
☐ 1. robots.txt file accessible at yourdomain.com/robots.txt ☐ 2. No critical pages blocked by Disallow rules ☐ 3. GPTBot explicitly allowed — check at aiagentchecker.net ☐ 4. ClaudeBot explicitly allowed ☐ 5. PerplexityBot explicitly allowed ☐ 6. Google-Extended explicitly allowed ☐ 7. Applebot-Extended explicitly allowed ☐ 8. XML sitemap valid and accessible ☐ 9. Sitemap submitted to Google Search Console ☐ 10. No crawl errors in GSC Coverage report
Indexation (Checks 11-18)
☐ 11. Canonical tags correct on all pages ☐ 12. No self-referencing canonical errors ☐ 13. No accidental noindex on important pages ☐ 14. No duplicate content across URL variants ☐ 15. www redirects correctly to non-www or vice versa ☐ 16. HTTP redirects to HTTPS on all URLs ☐ 17. URL parameters handled via canonical or GSC parameter tool ☐ 18. Pagination handled correctly
Performance (Checks 19-26)
☐ 19. Mobile LCP under 2.5 seconds ☐ 20. Desktop LCP under 2.5 seconds ☐ 21. Mobile INP under 200 milliseconds ☐ 22. Mobile CLS under 0.1 ☐ 23. Images compressed, served in WebP format ☐ 24. CSS and JavaScript minified ☐ 25. Browser caching enabled ☐ 26. CDN configured
Architecture (Checks 27-33)
☐ 27. No redirect chains (A→B→C) ☐ 28. No broken redirects returning 404 ☐ 29. Valid HTTPS SSL certificate ☐ 30. No mixed content warnings ☐ 31. URLs clean and descriptive ☐ 32. Breadcrumb navigation present ☐ 33. Important pages within 3 clicks of homepage
Schema (Checks 34-40)
☐ 34. Organization schema on homepage ☐ 35. LocalBusiness schema on location pages ☐ 36. FAQPage schema on FAQ content ☐ 37. BreadcrumbList schema sitewide ☐ 38. Schema validated at allinoneseoaudit.com/schema-markup ☐ 39. Page-type specific schema on key pages ☐ 40. JSON-LD format used throughout
For the complete guide behind each check see technical SEO audit guide 2026. For the full audit context see thecomplete SEO audit guide. For professional implementation see technical SEO services. Check AI crawlers specifically at aiagentchecker.net.