Can AI crawlers read your site? Free scan in seconds.
About Shuttlewright Signal Check
Signal Check scans your homepage, robots.txt, llms.txt and sitemap and reports whether AI crawlers can read your site. Free scan on the page; $19/month keeps saved history and comparisons. For site owners and marketers who want to know if AI assistants can actually read their site.
✓ VerifiedOct 17, 2026
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