| Used Operating Systems |
| 1 | 2334 | 39.57 | 379 | 39.03 | Windows NT |
| 2 | 1270 | 21.53 | 62 | 6.39 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 816 | 13.83 | 249 | 25.64 | +http://www.bing.com/bingbot.htm |
| 4 | 573 | 9.71 | 7 | 0.72 | +http://yandex.com/bots |
| 5 | 514 | 8.71 | 166 | 17.10 | +http://www.google.com/bot.html |
| 6 | 57 | 0.97 | 14 | 1.44 | http://help.yahoo.com/help/us/ysearch/sl... |
| 7 | 54 | 0.92 | 10 | 1.03 | +http://www.exabot.com/go/robot |
| 8 | 50 | 0.85 | 32 | 3.30 | +http://ahrefs.com/robot/ |
| 9 | 50 | 0.85 | 2 | 0.21 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 10 | 46 | 0.78 | 22 | 2.27 | +http://www.meanpath.com/meanpathbot.htm... |
| 11 | 43 | 0.73 | 16 | 1.65 | +http://www.linkdex.com/bots/ |
| 12 | 35 | 0.59 | 0 | 0.00 | http://www.opensiteexplorer.org/dotbot, ... |
| 13 | 14 | 0.24 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 14 | 10 | 0.17 | 2 | 0.21 | +http://getdownload.ws |
| 15 | 10 | 0.17 | 2 | 0.21 | +http://overx50.com |
| 16 | 8 | 0.14 | 2 | 0.21 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 17 | 6 | 0.10 | 5 | 0.51 | Linux i686 [unknown version] |
| 18 | 4 | 0.07 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 19 | 3 | 0.05 | 1 | 0.10 | +http://inload.me |
| 20 | 2 | 0.03 | 0 | 0.00 | Intel Mac OS X 10.6 |
