| Used Operating Systems |
| 1 | 16379 | 32.99 | 213 | 2.35 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 13334 | 26.85 | 4216 | 46.50 | Windows NT |
| 3 | 5596 | 11.27 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 4 | 3973 | 8.00 | 731 | 8.06 | +http://www.google.com/bot.html |
| 5 | 2672 | 5.38 | 1293 | 14.26 | +http://www.bing.com/bingbot.htm |
| 6 | 2138 | 4.31 | 4 | 0.04 | http://crawler.sistrix.net/ |
| 7 | 1720 | 3.46 | 1465 | 16.16 | +http://www.baidu.com/search/spider.html |
| 8 | 927 | 1.87 | 405 | 4.47 | +http://www.linkdex.com/about/bots/ |
| 9 | 738 | 1.49 | 4 | 0.04 | +http://siteexplorer.info/ |
| 10 | 479 | 0.96 | 152 | 1.68 | +http://yandex.com/bots |
| 11 | 378 | 0.76 | 123 | 1.36 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 278 | 0.56 | 95 | 1.05 | ezooms.bot@gmail.com |
| 13 | 241 | 0.49 | 94 | 1.04 | Windows 95 |
| 14 | 130 | 0.26 | 27 | 0.30 | +http://www.profound.net/urlappendbot.ht... |
| 15 | 100 | 0.20 | 21 | 0.23 | Windows 98 |
| 16 | 74 | 0.15 | 36 | 0.40 | +http://www.exabot.com/go/robot |
| 17 | 73 | 0.15 | 15 | 0.17 | X11 |
| 18 | 60 | 0.12 | 2 | 0.02 | +http://shoulu.jike.com/spider.html |
| 19 | 58 | 0.12 | 25 | 0.28 | +http://www.proximic.com/info/spider.php |
| 20 | 42 | 0.08 | 39 | 0.43 | MSIE 5.5; Windows 95 |
| 21 | 39 | 0.08 | 8 | 0.09 | Android 2.3.5 |
| 22 | 33 | 0.07 | 16 | 0.18 | +http://help.coccoc.com/ |
| 23 | 30 | 0.06 | 7 | 0.08 | +http://www.meanpath.com/meanpathbot.htm... |
| 24 | 21 | 0.04 | 1 | 0.01 | +http://www.semrush.com/bot.html |
| 25 | 16 | 0.03 | 8 | 0.09 | ) - BrowseX (2.0.0 Windows |
| 26 | 14 | 0.03 | 8 | 0.09 | Auto; Windows |
| 27 | 12 | 0.02 | 7 | 0.08 | Windows CE |
| 28 | 12 | 0.02 | 7 | 0.08 | MSIE 5.5; Windows NT 5.0 |
| 29 | 12 | 0.02 | 7 | 0.08 | MSIE 5.5; Windows NT 4.0 |
| 30 | 11 | 0.02 | 8 | 0.09 | Windows 2000 |
| 31 | 11 | 0.02 | 7 | 0.08 | Windows 3.1 |
| 32 | 10 | 0.02 | 1 | 0.01 | Windows XP |
| 33 | 7 | 0.01 | 5 | 0.06 | Windows ME |
| 34 | 7 | 0.01 | 2 | 0.02 | +http://www.seoprofiler.com/bot |
| 35 | 6 | 0.01 | 3 | 0.03 | +http://www.netseer.com/crawler.html; cr... |
| 36 | 4 | 0.01 | 2 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 37 | 3 | 0.01 | 1 | 0.01 | Linux i686 [unknown version] |
| 38 | 3 | 0.01 | 1 | 0.01 | +http://prlog.ru/ |
| 39 | 3 | 0.01 | 3 | 0.03 | WinHttp.WinHttpRequest.5 |
| 40 | 2 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 41 | 2 | 0.00 | 0 | 0.00 | +http://help.soso.com/webspider.htm |
| 42 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 43 | 2 | 0.00 | 2 | 0.02 | Intel Mac OS X 10.6 |
| 44 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
