| Used Operating Systems |
| 1 | 25322 | 57.10 | 1864 | 48.52 | Windows NT |
| 2 | 4962 | 11.19 | 86 | 2.24 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 3774 | 8.51 | 50 | 1.30 | +http://yandex.com/bots |
| 4 | 3030 | 6.83 | 326 | 8.49 | +http://ahrefs.com/robot/ |
| 5 | 2136 | 4.82 | 4 | 0.10 | +http://OpenLinkProfiler.org/bot |
| 6 | 1441 | 3.25 | 444 | 11.56 | +http://www.google.com/bot.html |
| 7 | 1016 | 2.29 | 253 | 6.59 | +http://www.bing.com/bingbot.htm |
| 8 | 603 | 1.36 | 452 | 11.76 | +http://www.baidu.com/search/spider.html |
| 9 | 534 | 1.20 | 69 | 1.80 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 325 | 0.73 | 89 | 2.32 | +http://www.linkdex.com/bots/ |
| 11 | 314 | 0.71 | 0 | 0.00 | i686 Linux; 20020515 |
| 12 | 218 | 0.49 | 84 | 2.19 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 208 | 0.47 | 4 | 0.10 | +http://advbot.net/bot.html |
| 14 | 118 | 0.27 | 14 | 0.36 | +http://www.exabot.com/go/robot |
| 15 | 83 | 0.19 | 8 | 0.21 | +http://fulltext.sblog.cz/ |
| 16 | 70 | 0.16 | 25 | 0.65 | http://www.opensiteexplorer.org/dotbot, ... |
| 17 | 42 | 0.09 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 18 | 33 | 0.07 | 30 | 0.78 | Windows 95 |
| 19 | 28 | 0.06 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 20 | 12 | 0.03 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 21 | 8 | 0.02 | 5 | 0.13 | Windows 3.1 |
| 22 | 8 | 0.02 | 2 | 0.05 | +http://www.xovibot.net/ |
| 23 | 8 | 0.02 | 1 | 0.03 | Windows 98 |
| 24 | 8 | 0.02 | 4 | 0.10 | +http://www.meanpath.com/meanpathbot.htm... |
| 25 | 8 | 0.02 | 4 | 0.10 | +http://duckduckgo.com |
| 26 | 8 | 0.02 | 0 | 0.00 | +http://siteexplorer.info/ |
| 27 | 6 | 0.01 | 6 | 0.16 | Windows CE |
| 28 | 6 | 0.01 | 1 | 0.03 | Windows XP |
| 29 | 6 | 0.01 | 6 | 0.16 | Linux i686 [unknown version] |
| 30 | 4 | 0.01 | 3 | 0.08 | Windows ME |
| 31 | 3 | 0.01 | 0 | 0.00 | X11 |
| 32 | 2 | 0.00 | 2 | 0.05 | http://www.lipperhey.com/ |
| 33 | 2 | 0.00 | 2 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 34 | 2 | 0.00 | 2 | 0.05 | Android 2.3.5 |
| 35 | 2 | 0.00 | 2 | 0.05 | MSIE 5.5; Windows NT 5.0 |
