How we fought Search spam on Google in 2021

Thursday, April 21, 2022

Googlebot and its friend, Crawley, looking at the Webspam Report 2021 on a laptop

In 2021, the world searched for how to heal and how to come back stronger. To help people find helpful information on questions big and small, we worked to keep spam and malicious content away from Search.

SpamBrain: our most effective solution against spam

We caught 200 times more spam sites in 2021 compared to when we first started nearly two decades ago, thanks, in part, to our AI-based spam-prevention system called SpamBrain.

a cartoon depiction of SpamBrain, showing Googlebot looking at a page