Matomo (self-hosted analytics, used to be called Piwik) maintain a list of referrer spam domains. I use it as a filter list with GoAccess and haven't seen refer

Matomo (self-hosted analytics, used to be called Piwik) maintain a list of referrer spam domains. I use it as a filter list with GoAccess and haven't seen referrer spam for a long time. Worth a look. https://github.com/matomo-org/referrer-spam-list https://github.com/matomo-org/referrer-spam-list