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Verified Bots: How Googlebot Proves It's Googlebot

Scraping Techniques

Verified Bots: How Googlebot Proves It's Googlebot

Anyone can put Googlebot in a User-Agent string, which is why the good-bot ecosystem rests on a verification step most developers have never implemented. This post explains forward-confirmed reverse DNS and exactly why the round trip is required, the published IP range files and their freshness tradeoff, how the same pattern works at Bing and Apple, and what CDN-level verified-bot programmes changed for everyone.

August 12, 2026 · 8 min read