| Used Operating Systems |
| 1 | 13859 | 48.61 | 1098 | 14.45 | Windows NT |
| 2 | 3738 | 13.11 | 3150 | 41.47 | +http://www.baidu.com/search/spider.html |
| 3 | 1949 | 6.84 | 695 | 9.15 | +http://www.google.com/bot.html |
| 4 | 1746 | 6.12 | 478 | 6.29 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 1712 | 6.00 | 212 | 2.79 | ezooms.bot@gmail.com |
| 6 | 1487 | 5.22 | 701 | 9.23 | +http://www.bing.com/bingbot.htm |
| 7 | 947 | 3.32 | 236 | 3.11 | +http://yandex.com/bots |
| 8 | 419 | 1.47 | 415 | 5.46 | http://www.yodao.com/help/webmaster/spid... |
| 9 | 413 | 1.45 | 301 | 3.96 | +http://ahrefs.com/robot/ |
| 10 | 310 | 1.09 | 2 | 0.03 | http://linkfluence.net/ |
| 11 | 303 | 1.06 | 58 | 0.76 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 279 | 0.98 | 9 | 0.12 | http://crawler.sistrix.net/ |
| 13 | 233 | 0.82 | 14 | 0.18 | Linux i686 [unknown version] |
| 14 | 106 | 0.37 | 2 | 0.03 | J2ME/MIDP |
| 15 | 82 | 0.29 | 3 | 0.04 | PPC Mac OS X 10.5 |
| 16 | 66 | 0.23 | 3 | 0.04 | +http://fulltext.sblog.cz/screenshot/ |
| 17 | 62 | 0.22 | 20 | 0.26 | +http://www.career-x.de/bot.html |
| 18 | 59 | 0.21 | 27 | 0.36 | +http://www.exabot.com/go/robot |
| 19 | 52 | 0.18 | 2 | 0.03 | PPC Mac OS X 10.4 |
| 20 | 50 | 0.18 | 5 | 0.07 | Intel Mac OS X 10.5 |
| 21 | 48 | 0.17 | 6 | 0.08 | Windows Phone OS 7.5 |
| 22 | 46 | 0.16 | 2 | 0.03 | Android Gingerbread |
| 23 | 44 | 0.15 | 2 | 0.03 | Intel Mac OS X 10.7 |
| 24 | 42 | 0.15 | 2 | 0.03 | Android 2.3.4 |
| 25 | 40 | 0.14 | 13 | 0.17 | +http://www.procog.com/spider.html |
| 26 | 38 | 0.13 | 8 | 0.11 | Intel Mac OS X 10.4 |
| 27 | 35 | 0.12 | 15 | 0.20 | +http://discoveryengine.com/discobot.htm... |
| 28 | 34 | 0.12 | 17 | 0.22 | Windows 98 |
| 29 | 34 | 0.12 | 11 | 0.14 | ScoutJet; +http://blekko.com/about/blekk... |
| 30 | 26 | 0.09 | 11 | 0.14 | +http://www.seoprofiler.com/bot |
| 31 | 22 | 0.08 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 32 | 22 | 0.08 | 14 | 0.18 | Linux [unknown version] |
| 33 | 22 | 0.08 | 8 | 0.11 | +http://www.eventguru.com/spider.html |
| 34 | 16 | 0.06 | 4 | 0.05 | +http://filterdb.iss.net/crawler/ |
| 35 | 16 | 0.06 | 0 | 0.00 | Windows 9. |
| 36 | 16 | 0.06 | 2 | 0.03 | +http://www.hailoo.com/spider.html |
| 37 | 16 | 0.06 | 9 | 0.12 | Windows 95 |
| 38 | 15 | 0.05 | 1 | 0.01 | http://www.dataprovider.com/ |
| 39 | 14 | 0.05 | 0 | 0.00 | http://desktop.google.com/ |
| 40 | 13 | 0.05 | 4 | 0.05 | Intel Mac OS X 10.6 |
| 41 | 12 | 0.04 | 0 | 0.00 | Solaris 2.4.x |
| 42 | 10 | 0.04 | 3 | 0.04 | Windows 3.1 |
| 43 | 8 | 0.03 | 4 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 44 | 8 | 0.03 | 8 | 0.11 | WinHttp.WinHttpRequest.5 |
| 45 | 8 | 0.03 | 4 | 0.05 | +http://www.acoon.de/robot.asp |
| 46 | 6 | 0.02 | 3 | 0.04 | +http://www.web.nl/webmasters/spider.htm... |
| 47 | 5 | 0.02 | 5 | 0.07 | +http://pmoz.info/doc/botinfo.htm |
| 48 | 4 | 0.01 | 0 | 0.00 | +Someday ya skazhu |
| 49 | 4 | 0.01 | 2 | 0.03 | http://benderthewebrobot.tumblr.com |
| 50 | 4 | 0.01 | 2 | 0.03 | +info@netcraft.com |
| 51 | 2 | 0.01 | 2 | 0.03 | Windows 2000 |
| 52 | 2 | 0.01 | 2 | 0.03 | +http://newsle.com |
| 53 | 2 | 0.01 | 0 | 0.00 | for robot study/2.0 |
| 54 | 2 | 0.01 | 0 | 0.00 | Windows XP |
| 55 | 1 | 0.00 | 1 | 0.01 | Win32 |
| 56 | 1 | 0.00 | 0 | 0.00 | Solaris 7.x |
