SeoStratum — free website SEO audit tool

How to Do an SEO Audit — From URL to Fix List

How to do an SEO audit step by step: the crawl, the 20+ on-page checks, how severity is assigned, and how to use the score to verify your fixes. Free website audit, no installation.

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Start free — A 30-second audit that tells you what's broken on a page and how to fix it.