If you go to the United Methodist Church’s main website, TikTok hears about it. Interested in joining Weight Watchers? TikTok finds that out, too. The Arizona Department of Economic Security tells TikTok when you view pages concerned with domestic violence or food assistance. Even Planned Parenthood uses the trackers, automatically notifying TikTok about every person who goes to its website.

Disconnect found that data being transmitted to TikTok can include your IP address, a unique ID number, what page you’re on, and what you’re clicking, typing, or searching for, depending on how the website has been set up.