| Used Operating Systems |
| 1 | 9861 | 70.97 | 3153 | 56.23 | Windows NT |
| 2 | 2021 | 14.55 | 1835 | 32.73 | +http://www.baidu.com/search/spider.html |
| 3 | 553 | 3.98 | 125 | 2.23 | +http://www.bing.com/bingbot.htm |
| 4 | 458 | 3.30 | 84 | 1.50 | +http://www.google.com/bot.html |
| 5 | 201 | 1.45 | 34 | 0.61 | +http://yandex.com/bots |
| 6 | 197 | 1.42 | 28 | 0.50 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 131 | 0.94 | 130 | 2.32 | http://www.yodao.com/help/webmaster/spid... |
| 8 | 93 | 0.67 | 83 | 1.48 | +http://help.soso.com/webspider.htm |
| 9 | 89 | 0.64 | 30 | 0.54 | +http://shoulu.jike.com/spider.html |
| 10 | 72 | 0.52 | 12 | 0.21 | X11 |
| 11 | 40 | 0.29 | 11 | 0.20 | +http://www.exabot.com/go/robot |
| 12 | 28 | 0.20 | 14 | 0.25 | +http://www.career-x.de/bot.html |
| 13 | 25 | 0.18 | 6 | 0.11 | Android 2.3.5 |
| 14 | 20 | 0.14 | 17 | 0.30 | +http://ahrefs.com/robot/ |
| 15 | 18 | 0.13 | 2 | 0.04 | +http://www.aihit.com/ |
| 16 | 14 | 0.10 | 7 | 0.12 | +http://www.profound.net/urlappendbot.ht... |
| 17 | 10 | 0.07 | 5 | 0.09 | +http://siteexplorer.info/ |
| 18 | 8 | 0.06 | 4 | 0.07 | http://crawler.sistrix.net/ |
| 19 | 7 | 0.05 | 4 | 0.07 | Windows 98 |
| 20 | 6 | 0.04 | 2 | 0.04 | +http://www.semrush.com/bot.html |
| 21 | 6 | 0.04 | 3 | 0.05 | +http://www.acoon.de/robot.asp |
| 22 | 5 | 0.04 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 23 | 4 | 0.03 | 2 | 0.04 | ezooms.bot@gmail.com |
| 24 | 4 | 0.03 | 2 | 0.04 | +info@netcraft.com |
| 25 | 3 | 0.02 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 26 | 2 | 0.01 | 0 | 0.00 | Win32 |
| 27 | 2 | 0.01 | 2 | 0.04 | +http://www.netseer.com/crawler.html; cr... |
| 28 | 2 | 0.01 | 1 | 0.02 | bot@language-tools.com |
| 29 | 2 | 0.01 | 2 | 0.04 | Windows 95 |
| 30 | 2 | 0.01 | 2 | 0.04 | Linux i686 [unknown version] |
| 31 | 2 | 0.01 | 1 | 0.02 | +http://www.procog.com/ |
| 32 | 1 | 0.01 | 1 | 0.02 | Auto; Windows |
| 33 | 1 | 0.01 | 1 | 0.02 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 34 | 1 | 0.01 | 0 | 0.00 | +http://www.proximic.com/info/spider.php |
| 35 | 1 | 0.01 | 0 | 0.00 | Windows XP |
| 36 | 1 | 0.01 | 1 | 0.02 | Windows ME |
| 37 | 1 | 0.01 | 1 | 0.02 | Linux [unknown version] |
| 38 | 1 | 0.01 | 1 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 39 | 1 | 0.01 | 1 | 0.02 | Windows 3.1 |
