llms.txt
Presence, valid H1, summary blockquote, structured links per llmstxt.org spec.
10 categories, 100 points, full breakdown plus the code to fix what's broken. Open methodology.
Free, no signup required. Limit 5 audits per hour per IP.
Presence, valid H1, summary blockquote, structured links per llmstxt.org spec.
robots.txt allows GPTBot, ClaudeBot, PerplexityBot, OAI-SearchBot, Google-Extended & CCBot.
Organization, WebSite, Article, FAQPage. Multiple types via @graph cross-references.
Single H1, clean heading hierarchy, header/main/article/nav/section/footer tags.
Title length, meta description length, OG title/description/image.
FAQ section, 3+ subheadings, lists, 300+ word body.
sitemap.xml exists and is referenced in robots.txt.
Served over HTTPS with a valid certificate.
Viewport meta tag present and well-formed.
Image alt-text coverage and page weight.