| Used Operating Systems |
| 1 | 4043 | 29.29 | 2233 | 44.66 | Windows NT |
| 2 | 3841 | 27.83 | 84 | 1.68 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 1898 | 13.75 | 1559 | 31.18 | +http://www.baidu.com/search/spider.html |
| 4 | 1277 | 9.25 | 269 | 5.38 | http://www.opensiteexplorer.org/dotbot, ... |
| 5 | 669 | 4.85 | 0 | 0.00 | Win32; Trident/4.0 |
| 6 | 564 | 4.09 | 46 | 0.92 | Windows 98 |
| 7 | 541 | 3.92 | 366 | 7.32 | +http://ahrefs.com/robot/ |
| 8 | 306 | 2.22 | 171 | 3.42 | +http://www.bing.com/bingbot.htm |
| 9 | 284 | 2.06 | 148 | 2.96 | +http://www.google.com/bot.html |
| 10 | 127 | 0.92 | 24 | 0.48 | +http://yandex.com/bots |
| 11 | 123 | 0.89 | 40 | 0.80 | +http://www.linkdex.com/bots/ |
| 12 | 19 | 0.14 | 5 | 0.10 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 16 | 0.12 | 8 | 0.16 | +http://www.exabot.com/go/robot |
| 14 | 14 | 0.10 | 9 | 0.18 | +http://wmaid.com/explore/ |
| 15 | 9 | 0.07 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 16 | 8 | 0.06 | 2 | 0.04 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 17 | 7 | 0.05 | 1 | 0.02 | +http://endb-consolidated.aihit.com/ |
| 18 | 5 | 0.04 | 0 | 0.00 | Linux [unknown version] |
| 19 | 5 | 0.04 | 1 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 20 | 5 | 0.04 | 5 | 0.10 | MSIE 5.5; Windows NT 5.0 |
| 21 | 5 | 0.04 | 5 | 0.10 | X11 |
| 22 | 4 | 0.03 | 2 | 0.04 | +http://help.coccoc.com/ |
| 23 | 4 | 0.03 | 4 | 0.08 | Windows 95 |
| 24 | 4 | 0.03 | 3 | 0.06 | +info@netcraft.com |
| 25 | 4 | 0.03 | 2 | 0.04 | +http://www.meanpath.com/meanpathbot.htm... |
| 26 | 3 | 0.02 | 2 | 0.04 | Android 2.3.5 |
| 27 | 3 | 0.02 | 1 | 0.02 | +http://inload.in |
| 28 | 2 | 0.01 | 2 | 0.04 | Windows 2000 |
| 29 | 2 | 0.01 | 2 | 0.04 | Windows XP |
| 30 | 2 | 0.01 | 2 | 0.04 | Windows 3.1 |
| 31 | 2 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 32 | 1 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 33 | 1 | 0.01 | 1 | 0.02 | Windows ME |
| 34 | 1 | 0.01 | 0 | 0.00 | Win64; Trident/7.0 |
| 35 | 1 | 0.01 | 0 | 0.00 | Win32; Trident/7.0 |
| 36 | 1 | 0.01 | 1 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 37 | 1 | 0.01 | 1 | 0.02 | Linux i686 [unknown version] |
