Search Engine Roundtable: Mastodon Is Using Rel Noreferrer On Outbound Links Causing Visits To Appear As Direct Traffic In Google Analytics. “As I’ve been sharing on Mastodon more, and as activity on the social network surges overall, I’ve been trying to track visits to content from Mastodon…. I ended up testing the tracking situation by sharing some links on Mastodon and seeing how that was tracked in Google Analytics. If you’re a user of Mastodon, and want to analyze traffic from the growing social network, I don’t think you’re going to like what I found.”