Add-on Compatibility Report for Firefox 20.0

20.0 20.0a2 20.0a1 Other
Top 95% compatible with previous version 99.4% (493) 0.0% (0) 0.0% (0) 0.6% (3)
Top 95% of all add-ons 81.67% (557) 0.0% (0) 0.0% (0) 11.0% (75)
All active add-ons 62.03% (8868) 0.0% (0) 0.04% (6) 30.34% (4338)

Details for add-ons compatible with previous version: Show all versions

Mozilla Firefox hotfix 28.* 135,445,471 users (48.2%)
Microsoft .NET Framework Assistant 26.* 21,236,997 users (7.56%)
Adblock Plus 31.0 20,026,877 users (7.13%)
avast! Online Security 30.0 15,959,882 users (5.68%)
avast! Online Security (BETA) 25.0 11,292,022 users (4.02%)
Video DownloadHelper 30.0 6,974,874 users (2.48%)
Firebug 29.0 3,424,032 users (1.22%)
NoScript Security Suite 31.0 2,447,979 users (0.87%)
Greasemonkey 25.* 1,925,070 users (0.69%)
DownThemAll! 26.* 1,805,950 users (0.64%)
FlashGot Mass Downloader 31.0 1,470,552 users (0.52%)
Web of Trust - WOT 28.* 1,453,483 users (0.52%)
Flash Video Downloader - Full HD Download 29.* 1,448,530 users (0.52%)
Garmin Communicator 28.* 1,376,827 users (0.49%)
Tab Mix Plus 28.* 1,291,406 users (0.46%)
Adblock Plus Pop-up Addon 26.* 1,261,475 users (0.45%)
Ghostery 31.0 1,166,789 users (0.42%)
Flashblock 28.* 1,162,296 users (0.41%)
Element Hiding Helper for Adblock Plus 31.0 1,059,462 users (0.38%)
Flagfox 30.0a2 979,195 users (0.35%)