| Used Operating Systems |
| 1 | 21846 | 49.89 | 348 | 5.16 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 11266 | 25.73 | 3690 | 54.71 | Windows NT |
| 3 | 3493 | 7.98 | 10 | 0.15 | Linux i586 [unknown version] |
| 4 | 2185 | 4.99 | 1110 | 16.46 | +http://www.google.com/bot.html |
| 5 | 1946 | 4.44 | 2 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 6 | 751 | 1.72 | 519 | 7.69 | +http://www.baidu.com/search/spider.html |
| 7 | 401 | 0.92 | 39 | 0.58 | +http://yandex.com/bots |
| 8 | 396 | 0.90 | 222 | 3.29 | +http://www.bing.com/bingbot.htm |
| 9 | 331 | 0.76 | 168 | 2.49 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 301 | 0.69 | 203 | 3.01 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 161 | 0.37 | 19 | 0.28 | +http://www.exabot.com/go/robot |
| 12 | 148 | 0.34 | 112 | 1.66 | Windows 95 |
| 13 | 92 | 0.21 | 34 | 0.50 | Windows 98 |
| 14 | 62 | 0.14 | 21 | 0.31 | +http://www.linkdex.com/bots/ |
| 15 | 50 | 0.11 | 1 | 0.01 | +http://advbot.org/bot.html |
| 16 | 45 | 0.10 | 29 | 0.43 | Linux i686 [unknown version] |
| 17 | 37 | 0.08 | 16 | 0.24 | X11 |
| 18 | 29 | 0.07 | 26 | 0.39 | Windows 3.1 |
| 19 | 29 | 0.07 | 21 | 0.31 | ) - BrowseX (2.0.0 Windows |
| 20 | 28 | 0.06 | 19 | 0.28 | Windows CE |
| 21 | 28 | 0.06 | 25 | 0.37 | Windows ME |
| 22 | 28 | 0.06 | 24 | 0.36 | MSIE 5.5; Windows NT 5.0 |
| 23 | 28 | 0.06 | 24 | 0.36 | MSIE 5.5; Windows NT 4.0 |
| 24 | 22 | 0.05 | 6 | 0.09 | Windows XP |
| 25 | 21 | 0.05 | 21 | 0.31 | Auto; Windows |
| 26 | 19 | 0.04 | 16 | 0.24 | Windows 2000 |
| 27 | 12 | 0.03 | 6 | 0.09 | Win32 |
| 28 | 10 | 0.02 | 7 | 0.10 | Linux [unknown version] |
| 29 | 10 | 0.02 | 5 | 0.07 | +http://www.meanpath.com/meanpathbot.htm... |
| 30 | 9 | 0.02 | 1 | 0.01 | Android 2.3.5 |
| 31 | 2 | 0.00 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 32 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 33 | 1 | 0.00 | 0 | 0.00 | J2ME/MIDP |
| 34 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
