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About

We follow the research on AI search and test it on real websites.

BLURSOR is a small research site with a free AI crawler checker. The people behind it write the articles, build the tools and do the audits.

Who runs BLURSOR

Alex Rostovtsev

Alex Rostovtsev

At BLURSOR

Builds the checker and the research pipeline, and does the audits.

Alex leads SEO and content operations at Elfsight and contributes to Beamtrace, an AI search visibility tracker. A decade as a geodetic engineer left him with an instinct for measurement and a low tolerance for claims that can't be verified.

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What you'll find here

Research

Plain-English articles on how AI search finds, picks and cites sources.

Read the research

AI Crawler Checker

A free check of whether AI crawlers can reach and read a page. No signup, usually 10 to 20 seconds.

Run a free check

Audits

A free mini-audit, a full SEO and GEO audit within three working days of kickoff, and help with the fixes.

See how audits work

Get in touch

Questions, corrections and research tips are all welcome.