Free tools

No sign-up. Each answers one question in a few seconds.

Full check: can Google and AI find your site?

Score, the 3 things to fix first, and every crawler.

Which big websites block AI crawlers?

The 1,000 most visited sites, crawler by crawler, with every change as it happens.

Is your website blocking ChatGPT?

Free, no sign-up. See whether ChatGPT search can find and cite your site, and whether you block OpenAI training (which is fine).

Which AI crawlers can read your site?

Free, no sign-up. Checks your robots.txt for Google, Bing, ChatGPT, Perplexity, Claude and Gemini, and marks the ones that only collect training data.

Is your sitemap working?

Free, no sign-up. Finds your sitemap, counts the pages in it, and opens a few of them to catch broken pages and pages marked noindex.