| Used Operating Systems |
| 1 | 13137 | 68.63 | 3834 | 53.40 | Windows NT |
| 2 | 2086 | 10.90 | 1916 | 26.69 | +http://www.baidu.com/search/spider.html |
| 3 | 823 | 4.30 | 206 | 2.87 | +http://www.bing.com/bingbot.htm |
| 4 | 613 | 3.20 | 286 | 3.98 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 410 | 2.14 | 153 | 2.13 | +http://www.google.com/bot.html |
| 6 | 381 | 1.99 | 106 | 1.48 | Windows 98 |
| 7 | 355 | 1.85 | 30 | 0.42 | +http://yandex.com/bots |
| 8 | 212 | 1.11 | 138 | 1.92 | Windows 95 |
| 9 | 208 | 1.09 | 25 | 0.35 | +http://ahrefs.com/robot/ |
| 10 | 84 | 0.44 | 75 | 1.04 | +http://help.soso.com/webspider.htm |
| 11 | 60 | 0.31 | 29 | 0.40 | ezooms.bot@gmail.com |
| 12 | 57 | 0.30 | 0 | 0.00 | +http://www-935.ibm.com/services/us/inde... |
| 13 | 47 | 0.25 | 9 | 0.13 | X11 |
| 14 | 45 | 0.24 | 31 | 0.43 | Windows ME |
| 15 | 45 | 0.24 | 30 | 0.42 | Windows 3.1 |
| 16 | 43 | 0.22 | 37 | 0.52 | MSIE 5.5; Windows NT 5.0 |
| 17 | 42 | 0.22 | 42 | 0.58 | http://www.yodao.com/help/webmaster/spid... |
| 18 | 42 | 0.22 | 8 | 0.11 | Windows XP |
| 19 | 40 | 0.21 | 29 | 0.40 | MSIE 5.5; Windows NT 4.0 |
| 20 | 38 | 0.20 | 14 | 0.19 | http://crawler.sistrix.net/ |
| 21 | 35 | 0.18 | 23 | 0.32 | +http://shoulu.jike.com/spider.html |
| 22 | 34 | 0.18 | 2 | 0.03 | bot@language-tools.com |
| 23 | 34 | 0.18 | 11 | 0.15 | +http://www.semrush.com/bot.html |
| 24 | 32 | 0.17 | 24 | 0.33 | Windows CE |
| 25 | 32 | 0.17 | 28 | 0.39 | Windows 2000 |
| 26 | 30 | 0.16 | 15 | 0.21 | +http://www.exabot.com/go/robot |
| 27 | 26 | 0.14 | 13 | 0.18 | +http://www.career-x.de/bot.html |
| 28 | 22 | 0.11 | 2 | 0.03 | PPC Mac OS X 10.5 |
| 29 | 21 | 0.11 | 19 | 0.26 | Auto; Windows |
| 30 | 20 | 0.10 | 5 | 0.07 | Android 2.3.5 |
| 31 | 20 | 0.10 | 18 | 0.25 | ) - BrowseX (2.0.0 Windows |
| 32 | 13 | 0.07 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 33 | 10 | 0.05 | 1 | 0.01 | MTK |
| 34 | 9 | 0.05 | 1 | 0.01 | Intel Mac OS X 10.4 |
| 35 | 8 | 0.04 | 3 | 0.04 | +http://help.coccoc.com/ |
| 36 | 7 | 0.04 | 1 | 0.01 | Macintosh PPC |
| 37 | 4 | 0.02 | 2 | 0.03 | +http://siteexplorer.info/ |
| 38 | 3 | 0.02 | 3 | 0.04 | +http://go.mail.ru/help/robots |
| 39 | 3 | 0.02 | 3 | 0.04 | Linux [unknown version] |
| 40 | 3 | 0.02 | 2 | 0.03 | +info@netcraft.com |
| 41 | 2 | 0.01 | 1 | 0.01 | http://www.mojeek.com/bot.html |
| 42 | 2 | 0.01 | 2 | 0.03 | +http://tweetmeme.com/ |
| 43 | 2 | 0.01 | 1 | 0.01 | +http://www.procog.com/ |
| 44 | 1 | 0.01 | 0 | 0.00 | Macintosh |
| 45 | 1 | 0.01 | 1 | 0.01 | +http://domains.checkparams.com/ |
| 46 | 1 | 0.01 | 1 | 0.01 | Linux i686 [unknown version] |
