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SEO 1 min ·

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The complete SEO audit checklist for 2026

What to check on an existing site, in four blocks (technical, content, authority, GEO), to identify what's holding back its search rankings.

Technical audit

Indexability, Core Web Vitals performance, URL structure, Hn markup, structured data, sitemap, robots, redirects, mobile version, accessibility.

A poorly indexed site will never rank, no matter the quality of its content.

Editorial audit

Depth of key pages, coverage of search intents, cannibalization between pages, actual perceived quality, freshness, internal linking.

Authority audit

Backlink profile, brand mentions, local signals, presence in industry media.

GEO and AI rankings

Presence on ChatGPT, Perplexity, Gemini: citations, sources reused, extract quality. SEO alone is no longer enough, you now need to think GEO in parallel.

Questions & answers

01 Can a site with great content but poor indexing rank well?
No. An indexability problem blocks everything, regardless of editorial quality. That's why the technical audit always comes before the content audit.
02 Does GEO replace the classic SEO audit?
No, it's added as a fourth block. I always audit technical, editorial and authority before assessing presence in AI answers.

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Benjamin M.

Independent web developer and SEO/GEO consultant based in Dijon, active worldwide. Founder of WebConsulting. Specialized in Astro, technical SEO and AI search optimization. SIRET 791 747 389 00025.

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