Free tools
Free SEO tools
One check each, no account. Most tools run the same probe the free SEO checker runs as part of a full scan; each reports the measured value rather than a grade.
llms.txt checker
Is there an llms.txt, is it really markdown, and does it link to the pages that matter? No file: a draft from your home page.
AI crawler access test
What robots.txt tells GPTBot, ClaudeBot, PerplexityBot and every other AI crawler — the deciding line, a tested fix, and whether the server actually lets GPTBot in.
robots.txt validator & generator
Every line a crawler would trip on, by line number — and a generator for a correct file with your AI crawler policy.
NAP consistency checker
Your business name, phone and address as your site declares them, compared field by field with your Google Business Profile, the Facebook and directory pages your site links to, and any you paste.
Free SEO checker
279 technical checks on one page — indexability, metadata, structured data, Core Web Vitals, HTTPS, mobile, AI readiness.
Keyword & competitor check
The three searches a page is written for, its rank, who outranks it and what they cover that it does not. Choose it under Audit options.
Coming next
schema checker · hreflang checker · canonical checker · redirect checker · sitemap checker · SERP preview · SSL checker · domain expiry — each a parser the audit already runs.