| Used Operating Systems |
| 1 | 11605 | 71.87 | 3858 | 60.71 | Windows NT |
| 2 | 1903 | 11.78 | 1763 | 27.74 | +http://www.baidu.com/search/spider.html |
| 3 | 859 | 5.32 | 201 | 3.16 | +http://www.bing.com/bingbot.htm |
| 4 | 541 | 3.35 | 77 | 1.21 | +http://ahrefs.com/robot/ |
| 5 | 210 | 1.30 | 27 | 0.42 | +http://yandex.com/bots |
| 6 | 194 | 1.20 | 94 | 1.48 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 153 | 0.95 | 22 | 0.35 | +http://www.google.com/bot.html |
| 8 | 120 | 0.74 | 40 | 0.63 | Windows 98 |
| 9 | 100 | 0.62 | 49 | 0.77 | ezooms.bot@gmail.com |
| 10 | 79 | 0.49 | 78 | 1.23 | http://www.yodao.com/help/webmaster/spid... |
| 11 | 55 | 0.34 | 8 | 0.13 | X11 |
| 12 | 45 | 0.28 | 39 | 0.61 | +http://help.soso.com/webspider.htm |
| 13 | 38 | 0.24 | 14 | 0.22 | Windows 95 |
| 14 | 32 | 0.20 | 16 | 0.25 | +http://www.exabot.com/go/robot |
| 15 | 26 | 0.16 | 4 | 0.06 | Android 2.3.5 |
| 16 | 26 | 0.16 | 13 | 0.20 | +http://www.career-x.de/bot.html |
| 17 | 20 | 0.12 | 2 | 0.03 | PPC Mac OS X 10.5 |
| 18 | 18 | 0.11 | 9 | 0.14 | http://crawler.sistrix.net/ |
| 19 | 16 | 0.10 | 6 | 0.09 | +http://www.meanpath.com/meanpathbot.htm... |
| 20 | 13 | 0.08 | 1 | 0.02 | AOL 9.7; AOLBuild 4343.55; Windows NT 6.... |
| 21 | 11 | 0.07 | 4 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 22 | 10 | 0.06 | 4 | 0.06 | +http://help.coccoc.com/ |
| 23 | 9 | 0.06 | 1 | 0.02 | +http://www.warebay.com/bot.html |
| 24 | 8 | 0.05 | 4 | 0.06 | +http://www.semrush.com/bot.html |
| 25 | 6 | 0.04 | 1 | 0.02 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 26 | 6 | 0.04 | 2 | 0.03 | +http://www.profound.net/urlappendbot.ht... |
| 27 | 6 | 0.04 | 0 | 0.00 | +http://siteexplorer.info/ |
| 28 | 5 | 0.03 | 2 | 0.03 | +http://www.easou.com/search/spider.html |
| 29 | 4 | 0.02 | 2 | 0.03 | +http://www.yunyun.com/spider.html |
| 30 | 4 | 0.02 | 4 | 0.06 | Linux i686 [unknown version] |
| 31 | 4 | 0.02 | 2 | 0.03 | +info@netcraft.com |
| 32 | 4 | 0.02 | 0 | 0.00 | +http://www.yunyun.com/SiteInfo.php?r=ab... |
| 33 | 3 | 0.02 | 3 | 0.05 | Windows CE |
| 34 | 3 | 0.02 | 0 | 0.00 | Macintosh PPC |
| 35 | 3 | 0.02 | 1 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 36 | 2 | 0.01 | 2 | 0.03 | Linux [unknown version] |
| 37 | 2 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 38 | 2 | 0.01 | 1 | 0.02 | Windows 3.1 |
| 39 | 2 | 0.01 | 1 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 40 | 1 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
