Give it a moment while the dashboard looks for unfollowfast in your browser.
The dashboard needs the unfollowfast extension to talk to X. It runs in your browser, so your login never leaves your machine.
Already installed? Reload this page.
Press scan to read your following list.
At 20 to 50 seconds each, 35 takes about 25 minutes.
unfollowfast brings your x.com tab to the front while it reads your following list, so scanning stays fast even if you switch away right after pressing scan. Once a run starts, X is already paced at 20 to 50 seconds per unfollow, so the tab can sit in the background without slowing anything down.