Leaderboard
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The most common problems
The three layers, across every site checked
Sites doing it well
Remove your domain
Want your site off the leaderboard? Enter an email address at that domain and we will send you a code. Removed sites are never listed again.
Sites are listed automatically when a MachineReady scan of up to 10 key pages scores them 75 or higher. We only show what each site does well; problems are reported only as anonymous totals. Scores describe machine readability at the time of the scan and do not predict rankings.