| Used Operating Systems |
| 1 | 212142 | 82.54 | 403 | 7.13 | +http://www.bing.com/bingbot.htm |
| 2 | 18060 | 7.03 | 1715 | 30.33 | +http://www.google.com/bot.html |
| 3 | 9679 | 3.77 | 1510 | 26.70 | Windows NT |
| 4 | 6837 | 2.66 | 14 | 0.25 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 5621 | 2.19 | 10 | 0.18 | +http://ahrefs.com/robot/ |
| 6 | 2037 | 0.79 | 91 | 1.61 | +http://yandex.com/bots |
| 7 | 1829 | 0.71 | 1735 | 30.68 | +http://www.baidu.com/search/spider.html |
| 8 | 131 | 0.05 | 17 | 0.30 | [email protected] |
| 9 | 107 | 0.04 | 11 | 0.19 | Windows 98 |
| 10 | 96 | 0.04 | 2 | 0.04 | Android |
| 11 | 71 | 0.03 | 7 | 0.12 | Linux [unknown version] |
| 12 | 64 | 0.02 | 3 | 0.05 | J2ME/MIDP |
| 13 | 42 | 0.02 | 6 | 0.11 | MSIE 5.5; Windows NT 5.0 |
| 14 | 41 | 0.02 | 17 | 0.30 | +http://www.semrush.com/bot.html |
| 15 | 39 | 0.02 | 29 | 0.51 | +http://www.linkdex.com/about/bots/ |
| 16 | 24 | 0.01 | 22 | 0.39 | MSIE 5.5; Windows 95 |
| 17 | 22 | 0.01 | 11 | 0.19 | +http://www.career-x.de/bot.html |
| 18 | 17 | 0.01 | 5 | 0.09 | Windows 95 |
| 19 | 15 | 0.01 | 1 | 0.02 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 20 | 14 | 0.01 | 1 | 0.02 | Intel Mac OS X 10.6 |
| 21 | 12 | 0.00 | 6 | 0.11 | http://crawler.sistrix.net/ |
| 22 | 12 | 0.00 | 5 | 0.09 | +http://www.exabot.com/go/robot |
| 23 | 12 | 0.00 | 3 | 0.05 | +http://siteexplorer.info/ |
| 24 | 11 | 0.00 | 1 | 0.02 | +http://www.solomono.ru |
| 25 | 7 | 0.00 | 0 | 0.00 | BlackBerry |
| 26 | 7 | 0.00 | 1 | 0.02 | +http://help.soso.com/webspider.htm |
| 27 | 7 | 0.00 | 4 | 0.07 | X11 |
| 28 | 6 | 0.00 | 3 | 0.05 | Windows |
| 29 | 6 | 0.00 | 1 | 0.02 | SpreadTrum |
| 30 | 6 | 0.00 | 2 | 0.04 | +http://www.meanpath.com/meanpathbot.htm... |
| 31 | 5 | 0.00 | 2 | 0.04 | Windows 2000 |
| 32 | 5 | 0.00 | 1 | 0.02 | Windows 3.1 |
| 33 | 5 | 0.00 | 4 | 0.07 | [email protected] |
| 34 | 4 | 0.00 | 0 | 0.00 | +http://images.weserv.nl/ |
| 35 | 4 | 0.00 | 2 | 0.04 | Linux i686 [unknown version] |
| 36 | 4 | 0.00 | 1 | 0.02 | AOL 9.7; AOLBuild 4343.55; Windows NT 6.... |
| 37 | 4 | 0.00 | 2 | 0.04 | +http://shoulu.jike.com/spider.html |
| 38 | 3 | 0.00 | 1 | 0.02 | S60 |
| 39 | 3 | 0.00 | 1 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 40 | 2 | 0.00 | 1 | 0.02 | http://www.tkl.iis.u-tokyo.ac.jp/~crawle... |
| 41 | 2 | 0.00 | 1 | 0.02 | +http://www.yunyun.com/spider.html |
| 42 | 2 | 0.00 | 1 | 0.02 | Macintosh |
| 43 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 44 | 1 | 0.00 | 0 | 0.00 | +http://www.warebay.com/bot.html |
| 45 | 1 | 0.00 | 0 | 0.00 | +http://www.compspy.com/spider.html |
| 46 | 1 | 0.00 | 0 | 0.00 | Windows Phone OS 7.5 |
| 47 | 1 | 0.00 | 0 | 0.00 | BREW |
| 48 | 1 | 0.00 | 0 | 0.00 | MTK |
| 49 | 1 | 0.00 | 1 | 0.02 | Linux i586 [unknown version] |
| 50 | 1 | 0.00 | 1 | 0.02 | +http://spider.socialbm.net |
| 51 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
