| Used Operating Systems |
| 1 | 25315 | 56.84 | 5684 | 62.05 | Windows NT |
| 2 | 8611 | 19.34 | 210 | 2.29 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 2465 | 5.53 | 524 | 5.72 | +http://www.google.com/bot.html |
| 4 | 2045 | 4.59 | 423 | 4.62 | +http://www.bing.com/bingbot.htm |
| 5 | 1943 | 4.36 | 1674 | 18.28 | +http://www.baidu.com/search/spider.html |
| 6 | 1307 | 2.93 | 58 | 0.63 | +http://yandex.com/bots |
| 7 | 868 | 1.95 | 7 | 0.08 | http://crawler.sistrix.net/ |
| 8 | 838 | 1.88 | 192 | 2.10 | ezooms.bot@gmail.com |
| 9 | 158 | 0.35 | 37 | 0.40 | Windows 98 |
| 10 | 126 | 0.28 | 60 | 0.66 | +http://help.soso.com/webspider.htm |
| 11 | 126 | 0.28 | 72 | 0.79 | Windows 95 |
| 12 | 108 | 0.24 | 24 | 0.26 | X11 |
| 13 | 90 | 0.20 | 2 | 0.02 | +http://www.aihit.com/ |
| 14 | 44 | 0.10 | 7 | 0.08 | Android 2.3.5 |
| 15 | 39 | 0.09 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 16 | 37 | 0.08 | 10 | 0.11 | MSIE 5.5; Windows 95 |
| 17 | 32 | 0.07 | 13 | 0.14 | +http://www.exabot.com/go/robot |
| 18 | 30 | 0.07 | 18 | 0.20 | Windows 3.1 |
| 19 | 29 | 0.07 | 19 | 0.21 | MSIE 5.5; Windows NT 5.0 |
| 20 | 27 | 0.06 | 12 | 0.13 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 21 | 27 | 0.06 | 22 | 0.24 | Windows ME |
| 22 | 26 | 0.06 | 19 | 0.21 | MSIE 5.5; Windows NT 4.0 |
| 23 | 26 | 0.06 | 8 | 0.09 | +http://www.linkdex.com/about/bots/ |
| 24 | 24 | 0.05 | 6 | 0.07 | +http://www.meanpath.com/meanpathbot.htm... |
| 25 | 22 | 0.05 | 3 | 0.03 | +http://siteexplorer.info/ |
| 26 | 21 | 0.05 | 13 | 0.14 | Windows 2000 |
| 27 | 18 | 0.04 | 0 | 0.00 | America Online Browser 1.1; rev1.5; Wind... |
| 28 | 17 | 0.04 | 4 | 0.04 | Windows XP |
| 29 | 14 | 0.03 | 10 | 0.11 | Auto; Windows |
| 30 | 14 | 0.03 | 1 | 0.01 | Intel Mac OS X 10.6 |
| 31 | 11 | 0.02 | 9 | 0.10 | Windows CE |
| 32 | 11 | 0.02 | 0 | 0.00 | Macintosh PPC |
| 33 | 11 | 0.02 | 9 | 0.10 | ) - BrowseX (2.0.0 Windows |
| 34 | 9 | 0.02 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 35 | 9 | 0.02 | 0 | 0.00 | Solaris 9.x |
| 36 | 9 | 0.02 | 0 | 0.00 | Solaris 2.4.x |
| 37 | 6 | 0.01 | 2 | 0.02 | +http://www.profound.net/urlappendbot.ht... |
| 38 | 4 | 0.01 | 0 | 0.00 | Windows 9. |
| 39 | 4 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.4 |
| 40 | 2 | 0.00 | 1 | 0.01 | +http://www.proximic.com/info/spider.php |
| 41 | 2 | 0.00 | 2 | 0.02 | Windows 92 |
| 42 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 43 | 2 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 44 | 1 | 0.00 | 0 | 0.00 | Win32 |
| 45 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 46 | 1 | 0.00 | 0 | 0.00 | +http://www.yunyun.com/SiteInfo.php?r=ab... |
| 47 | 1 | 0.00 | 1 | 0.01 | http://blog.wasalive.com/wasalive-bots/ |
| 48 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X 10.5 |
| 49 | 1 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
