SponsorBlock is a crowdsourced browser extension to skip sponsor segments in YouTube videos. Users submit when a sponsor happens from the extension, and the extension automatically skips sponsors it knows about. It also features an upvote/downvote system with a weighted random based distribution.
Check status.sponsor.ajay.app for server status.
There are currently Loading users who have submitted Loading sponsors, which have saved a total of Loading days of people's lives. Check out the the leaderboard.
Check out how it works.