> It also sends a followup request if it finds a hit, but this is rare unless you're actually about to visit a site that's been flagged as unsafe And the follo

> It also sends a followup request if it finds a hit, but this is rare unless you're actually about to visit a site that's been flagged as unsafe And the followup still doesn't send the URL or even a hash of the URL. It sends just a prefix of the hash to download all URL hashes matching that prefix to do the comparison to the actual current URL locally.