| Used Operating Systems |
| 1 | 12295 | 39.30 | 1086 | 11.45 | Windows NT |
| 2 | 5107 | 16.32 | 4540 | 47.86 | +http://www.baidu.com/search/spider.html |
| 3 | 2986 | 9.54 | 855 | 9.01 | +http://www.bing.com/bingbot.htm |
| 4 | 2014 | 6.44 | 354 | 3.73 | ezooms.bot@gmail.com |
| 5 | 1953 | 6.24 | 183 | 1.93 | +http://yandex.com/bots |
| 6 | 1881 | 6.01 | 467 | 4.92 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 1634 | 5.22 | 674 | 7.11 | +http://www.google.com/bot.html |
| 8 | 1610 | 5.15 | 759 | 8.00 | +http://ahrefs.com/robot/ |
| 9 | 351 | 1.12 | 9 | 0.09 | http://crawler.sistrix.net/ |
| 10 | 337 | 1.08 | 51 | 0.54 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 264 | 0.84 | 264 | 2.78 | http://www.yodao.com/help/webmaster/spid... |
| 12 | 118 | 0.38 | 40 | 0.42 | +http://discoveryengine.com/discoverybot... |
| 13 | 102 | 0.33 | 44 | 0.46 | +http://www.career-x.de/bot.html |
| 14 | 88 | 0.28 | 4 | 0.04 | Intel Mac OS X 10.4 |
| 15 | 82 | 0.26 | 6 | 0.06 | Windows Phone OS 7.5 |
| 16 | 46 | 0.15 | 16 | 0.17 | +http://www.acoon.de/robot.asp |
| 17 | 43 | 0.14 | 18 | 0.19 | +http://www.exabot.com/go/robot |
| 18 | 42 | 0.13 | 2 | 0.02 | BlackBerry |
| 19 | 37 | 0.12 | 16 | 0.17 | Windows 98 |
| 20 | 35 | 0.11 | 3 | 0.03 | PPC Mac OS X 10.4 |
| 21 | 31 | 0.10 | 11 | 0.12 | crawler@unister.de |
| 22 | 29 | 0.09 | 3 | 0.03 | Intel Mac OS X 10.6 |
| 23 | 21 | 0.07 | 3 | 0.03 | Linux i686 [unknown version] |
| 24 | 20 | 0.06 | 10 | 0.11 | Windows 95 |
| 25 | 20 | 0.06 | 11 | 0.12 | +http://www.seoprofiler.com/bot |
| 26 | 15 | 0.05 | 7 | 0.07 | Windows XP |
| 27 | 15 | 0.05 | 5 | 0.05 | +http://shoulu.jike.com/spider.html |
| 28 | 14 | 0.04 | 0 | 0.00 | Windows 9. |
| 29 | 13 | 0.04 | 0 | 0.00 | http://desktop.google.com/ |
| 30 | 10 | 0.03 | 4 | 0.04 | Win32 |
| 31 | 10 | 0.03 | 4 | 0.04 | +http://filterdb.iss.net/crawler/ |
| 32 | 8 | 0.03 | 4 | 0.04 | Windows ME |
| 33 | 8 | 0.03 | 8 | 0.08 | WinHttp.WinHttpRequest.5 |
| 34 | 6 | 0.02 | 3 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 35 | 5 | 0.02 | 5 | 0.05 | Linux [unknown version] |
| 36 | 4 | 0.01 | 2 | 0.02 | Auto; Windows |
| 37 | 4 | 0.01 | 2 | 0.02 | http://www.botje.com/plukkie.htm |
| 38 | 4 | 0.01 | 2 | 0.02 | +info@netcraft.com |
| 39 | 4 | 0.01 | 2 | 0.02 | +http://botw.org |
| 40 | 4 | 0.01 | 2 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 41 | 3 | 0.01 | 0 | 0.00 | J2ME/MIDP |
| 42 | 3 | 0.01 | 3 | 0.03 | +http://pmoz.info/doc/botinfo.htm |
| 43 | 3 | 0.01 | 1 | 0.01 | +http://www.openindex.io/en/webmasters/s... |
| 44 | 3 | 0.01 | 1 | 0.01 | +http://domains.checkparams.com/ |
| 45 | 2 | 0.01 | 1 | 0.01 | Windows 2000 |
| 46 | 2 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 47 | 1 | 0.00 | 1 | 0.01 | X11 |
