| Used Operating Systems |
| 1 | 15773 | 32.97 | 96 | 2.70 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 11809 | 24.68 | 88 | 2.48 | +http://yandex.com/bots |
| 3 | 10832 | 22.64 | 1599 | 45.04 | Windows NT |
| 4 | 2841 | 5.94 | 320 | 9.01 | +http://ahrefs.com/robot/ |
| 5 | 1847 | 3.86 | 461 | 12.99 | +http://www.google.com/bot.html |
| 6 | 1581 | 3.30 | 3 | 0.08 | +http://OpenLinkProfiler.org/bot |
| 7 | 847 | 1.77 | 208 | 5.86 | +http://www.bing.com/bingbot.htm |
| 8 | 466 | 0.97 | 90 | 2.54 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 408 | 0.85 | 126 | 3.55 | http://www.opensiteexplorer.org/dotbot, ... |
| 10 | 393 | 0.82 | 102 | 2.87 | +http://www.linkdex.com/bots/ |
| 11 | 301 | 0.63 | 292 | 8.23 | +http://www.baidu.com/search/spider.html |
| 12 | 267 | 0.56 | 33 | 0.93 | +http://siteexplorer.info/ |
| 13 | 119 | 0.25 | 41 | 1.15 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 94 | 0.20 | 23 | 0.65 | +http://www.exabot.com/go/robot |
| 15 | 61 | 0.13 | 1 | 0.03 | +http://www.linkpad.ru |
| 16 | 37 | 0.08 | 32 | 0.90 | +http://www.xovibot.net/ |
| 17 | 36 | 0.08 | 18 | 0.51 | +http://www.meanpath.com/meanpathbot.htm... |
| 18 | 32 | 0.07 | 2 | 0.06 | +http://filterdb.iss.net/crawler/ |
| 19 | 30 | 0.06 | 0 | 0.00 | Windows 98 |
| 20 | 20 | 0.04 | 0 | 0.00 | Windows 95 |
| 21 | 14 | 0.03 | 7 | 0.20 | +http://fulltext.sblog.cz/ |
| 22 | 12 | 0.03 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 23 | 8 | 0.02 | 0 | 0.00 | Linux i686 [unknown version] |
| 24 | 6 | 0.01 | 3 | 0.08 | +http://wmaid.com/explore/ |
| 25 | 3 | 0.01 | 3 | 0.08 | Windows 2000 |
| 26 | 2 | 0.00 | 2 | 0.06 | Windows XP |
| 27 | 2 | 0.00 | 0 | 0.00 | X11 |
| 28 | 2 | 0.00 | 0 | 0.00 | Android 2.3.5 |
