| Used Operating Systems |
| 1 | 18371 | 44.99 | 5114 | 51.59 | Windows NT |
| 2 | 5914 | 14.48 | 69 | 0.70 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 4435 | 10.86 | 376 | 3.79 | +http://yandex.com/bots |
| 4 | 3016 | 7.39 | 2421 | 24.42 | +http://www.baidu.com/search/spider.html |
| 5 | 2007 | 4.92 | 16 | 0.16 | +http://www.warebay.com/bot.html |
| 6 | 1614 | 3.95 | 449 | 4.53 | +http://ahrefs.com/robot/ |
| 7 | 1374 | 3.36 | 24 | 0.24 | +http://OpenLinkProfiler.org/bot |
| 8 | 1003 | 2.46 | 1 | 0.01 | http://crawler.007ac9.net/ |
| 9 | 625 | 1.53 | 227 | 2.29 | +http://www.google.com/bot.html |
| 10 | 540 | 1.32 | 209 | 2.11 | +http://www.bing.com/bingbot.htm |
| 11 | 432 | 1.06 | 189 | 1.91 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 284 | 0.70 | 72 | 0.73 | +http://www.exabot.com/go/robot |
| 13 | 244 | 0.60 | 208 | 2.10 | Windows 95 |
| 14 | 229 | 0.56 | 55 | 0.55 | +http://www.linkdex.com/bots/ |
| 15 | 178 | 0.44 | 47 | 0.47 | Windows 98 |
| 16 | 60 | 0.15 | 54 | 0.54 | Windows 2000 |
| 17 | 52 | 0.13 | 12 | 0.12 | Windows XP |
| 18 | 50 | 0.12 | 46 | 0.46 | MSIE 5.5; Windows NT 4.0 |
| 19 | 46 | 0.11 | 44 | 0.44 | Linux i686 [unknown version] |
| 20 | 45 | 0.11 | 38 | 0.38 | Windows ME |
| 21 | 42 | 0.10 | 37 | 0.37 | Windows 3.1 |
| 22 | 40 | 0.10 | 31 | 0.31 | ) - BrowseX (2.0.0 Windows |
| 23 | 39 | 0.10 | 38 | 0.38 | MSIE 5.5; Windows NT 5.0 |
| 24 | 37 | 0.09 | 36 | 0.36 | Windows CE |
| 25 | 35 | 0.09 | 34 | 0.34 | Auto; Windows |
| 26 | 19 | 0.05 | 0 | 0.00 | +http://www.easou.com/search/spider.html |
| 27 | 18 | 0.04 | 18 | 0.18 | Linux i586 [unknown version] |
| 28 | 16 | 0.04 | 16 | 0.16 | Linux [unknown version] |
| 29 | 14 | 0.03 | 3 | 0.03 | http://help.yahoo.com/help/us/ysearch/sl... |
| 30 | 14 | 0.03 | 7 | 0.07 | +http://www.meanpath.com/meanpathbot.htm... |
| 31 | 10 | 0.02 | 5 | 0.05 | +http://duckduckgo.com |
| 32 | 7 | 0.02 | 3 | 0.03 | +http://www.seograph.net/bot.html |
| 33 | 6 | 0.01 | 1 | 0.01 | http://filterdb.iss.net/crawler/ |
| 34 | 5 | 0.01 | 4 | 0.04 | +info@netcraft.com |
| 35 | 4 | 0.01 | 3 | 0.03 | X11 |
| 36 | 3 | 0.01 | 2 | 0.02 | Android 2.3.5 |
| 37 | 2 | 0.00 | 1 | 0.01 | Android |
| 38 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.5 |
| 39 | 1 | 0.00 | 1 | 0.01 | WinHttp.WinHttpRequest.5 |
| 40 | 1 | 0.00 | 0 | 0.00 | +http://www.xovibot.net/ |
| 41 | 1 | 0.00 | 0 | 0.00 | Mac_PowerPC Mac OS |
