Google Web Preview
recommended: observeGoogle Web Preview is a fetcher operated by Google.
What it does
Google Web Preview usually makes a single request within seconds of a URL being shared, without crawling further. Traffic rises and falls with sharing activity, so a widely circulated link can produce a sharp burst of fetches.
How to identify it
User-agent contains any of:
Google Web Preview
Example user-agent string:
Mozilla/5.0 (Linux; U; Android 2.3.4; generic) AppleWebKit/537.36 (KHTML, like Gecko; Google Web Preview) Version/4.0 Mobile Safari/537.36robots.txt
Well-behaved crawlers honor robots.txt. To control Google Web Preview:
Allow full access
User-agent: Google Web Preview
Allow: /Block entirely
User-agent: Google Web Preview
Disallow: /
Grey-area scrapers ignore robots.txt. Botscope enforces your policy at the edge or origin regardless —
see how →
See Google Web Preview on your own site
Botscope shows every bot and AI agent hitting your site — and lets you allow, challenge, or block each one. Observe first, enforce when you're ready.
Start free — connect in minutes