| Used Operating Systems |
| 1 | 11919 | 81.52 | 3330 | 67.61 | Windows NT |
| 2 | 905 | 6.19 | 846 | 17.18 | +http://www.baidu.com/search/spider.html |
| 3 | 559 | 3.82 | 156 | 3.17 | +http://www.google.com/bot.html |
| 4 | 270 | 1.85 | 163 | 3.31 | +http://www.bing.com/bingbot.htm |
| 5 | 120 | 0.82 | 114 | 2.31 | Windows 95 |
| 6 | 116 | 0.79 | 4 | 0.08 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 7 | 89 | 0.61 | 43 | 0.87 | Windows 98 |
| 8 | 76 | 0.52 | 14 | 0.28 | +http://yandex.com/bots |
| 9 | 51 | 0.35 | 4 | 0.08 | +http://ahrefs.com/robot/ |
| 10 | 40 | 0.27 | 5 | 0.10 | http://www.majestic12.co.uk/bot.php?+ |
| 11 | 40 | 0.27 | 11 | 0.22 | +http://www.exabot.com/go/robot |
| 12 | 31 | 0.21 | 18 | 0.37 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 29 | 0.20 | 5 | 0.10 | +http://fulltext.sblog.cz/ |
| 14 | 27 | 0.18 | 24 | 0.49 | ) - BrowseX (2.0.0 Windows |
| 15 | 25 | 0.17 | 25 | 0.51 | Windows CE |
| 16 | 25 | 0.17 | 4 | 0.08 | Windows XP |
| 17 | 25 | 0.17 | 21 | 0.43 | Windows ME |
| 18 | 24 | 0.16 | 1 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 19 | 24 | 0.16 | 2 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 20 | 22 | 0.15 | 22 | 0.45 | MSIE 5.5; Windows NT 5.0 |
| 21 | 20 | 0.14 | 20 | 0.41 | Windows 3.1 |
| 22 | 20 | 0.14 | 10 | 0.20 | +http://www.findxbot.com |
| 23 | 18 | 0.12 | 18 | 0.37 | Windows 2000 |
| 24 | 18 | 0.12 | 17 | 0.35 | MSIE 5.5; Windows NT 4.0 |
| 25 | 17 | 0.12 | 16 | 0.32 | Auto; Windows |
| 26 | 16 | 0.11 | 3 | 0.06 | +http://www.semrush.com/bot.html |
| 27 | 13 | 0.09 | 1 | 0.02 | +http://www.aihitdata.com/about |
| 28 | 12 | 0.08 | 1 | 0.02 | http://www.lipperhey.com/ |
| 29 | 12 | 0.08 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 30 | 12 | 0.08 | 6 | 0.12 | +http://www.meanpath.com/meanpathbot.htm... |
| 31 | 9 | 0.06 | 1 | 0.02 | +http://www.linkpad.ru |
| 32 | 5 | 0.03 | 0 | 0.00 | Linux [unknown version] |
| 33 | 5 | 0.03 | 5 | 0.10 | +http://domainsigma.com/robot |
| 34 | 4 | 0.03 | 2 | 0.04 | http://www.bing.com/bingbot.htm |
| 35 | 4 | 0.03 | 1 | 0.02 | +http://get4dl.net |
| 36 | 3 | 0.02 | 1 | 0.02 | +http://getdownload.ws |
| 37 | 3 | 0.02 | 2 | 0.04 | +info@netcraft.com |
| 38 | 3 | 0.02 | 2 | 0.04 | +http://www.xovibot.net/ |
| 39 | 2 | 0.01 | 1 | 0.02 | ScoutJet; +http://blekko.com/about/blekk... |
| 40 | 2 | 0.01 | 1 | 0.02 | +http://advbot.org/bot.html |
| 41 | 1 | 0.01 | 1 | 0.02 | Linux i686 [unknown version] |
| 42 | 1 | 0.01 | 1 | 0.02 | PPC Mac OS X Mach-O |
| 43 | 1 | 0.01 | 0 | 0.00 | +http://www.easou.com/search/spider.html |
| 44 | 1 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 45 | 1 | 0.01 | 1 | 0.02 | X11 |
| 46 | 1 | 0.01 | 1 | 0.02 | Android 2.3.5 |
