| Used Operating Systems |
| 1 | 14212 | 30.02 | 333 | 2.16 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 13104 | 27.68 | 8281 | 53.60 | +http://www.baidu.com/search/spider.html |
| 3 | 8920 | 18.84 | 3570 | 23.11 | Windows NT |
| 4 | 2693 | 5.69 | 703 | 4.55 | +http://www.bing.com/bingbot.htm |
| 5 | 1818 | 3.84 | 561 | 3.63 | +http://www.google.com/bot.html |
| 6 | 1452 | 3.07 | 861 | 5.57 | +http://www.easou.com/search/spider.html |
| 7 | 986 | 2.08 | 2 | 0.01 | http://crawler.007ac9.net/ |
| 8 | 860 | 1.82 | 166 | 1.07 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 653 | 1.38 | 57 | 0.37 | Windows 98 |
| 10 | 588 | 1.24 | 505 | 3.27 | +http://ahrefs.com/robot/ |
| 11 | 386 | 0.82 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 12 | 312 | 0.66 | 60 | 0.39 | +http://yandex.com/bots |
| 13 | 224 | 0.47 | 131 | 0.85 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 193 | 0.41 | 1 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 15 | 150 | 0.32 | 29 | 0.19 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 136 | 0.29 | 8 | 0.05 | http://www.searchmetrics.com/en/searchme... |
| 17 | 113 | 0.24 | 38 | 0.25 | +http://www.linkdex.com/bots/ |
| 18 | 90 | 0.19 | 2 | 0.01 | +http://endb-consolidated.aihit.com/ |
| 19 | 65 | 0.14 | 31 | 0.20 | Windows 95 |
| 20 | 58 | 0.12 | 23 | 0.15 | +http://www.exabot.com/go/robot |
| 21 | 32 | 0.07 | 1 | 0.01 | +http://www.linkpad.ru |
| 22 | 28 | 0.06 | 1 | 0.01 | http://www.lipperhey.com/ |
| 23 | 27 | 0.06 | 1 | 0.01 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 24 | 19 | 0.04 | 2 | 0.01 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 25 | 18 | 0.04 | 8 | 0.05 | Windows CE |
| 26 | 16 | 0.03 | 10 | 0.06 | Windows ME |
| 27 | 16 | 0.03 | 1 | 0.01 | Intel Mac OS X 10.6 |
| 28 | 14 | 0.03 | 7 | 0.05 | Windows XP |
| 29 | 12 | 0.03 | 6 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 30 | 11 | 0.02 | 5 | 0.03 | Windows 2000 |
| 31 | 11 | 0.02 | 1 | 0.01 | +http://www.profound.net/urlappendbot.ht... |
| 32 | 11 | 0.02 | 5 | 0.03 | Windows 3.1 |
| 33 | 10 | 0.02 | 4 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 34 | 9 | 0.02 | 3 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 35 | 8 | 0.02 | 5 | 0.03 | +http://wmaid.com/explore/ |
| 36 | 7 | 0.01 | 1 | 0.01 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 37 | 6 | 0.01 | 2 | 0.01 | Auto; Windows |
| 38 | 6 | 0.01 | 3 | 0.02 | http://crawler.sistrix.net/ |
| 39 | 6 | 0.01 | 1 | 0.01 | Linux [unknown version] |
| 40 | 6 | 0.01 | 2 | 0.01 | +http://inload.in |
| 41 | 6 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 42 | 5 | 0.01 | 2 | 0.01 | +http://www.proximic.com/info/spider.php |
| 43 | 5 | 0.01 | 0 | 0.00 | X11 |
| 44 | 4 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 45 | 4 | 0.01 | 2 | 0.01 | ScoutJet; +http://blekko.com/about/blekk... |
| 46 | 4 | 0.01 | 2 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 47 | 3 | 0.01 | 1 | 0.01 | +http://getdownload.ws |
| 48 | 3 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 49 | 3 | 0.01 | 3 | 0.02 | Linux i686 [unknown version] |
| 50 | 3 | 0.01 | 1 | 0.01 | +http://freedlf.com/ |
| 51 | 3 | 0.01 | 3 | 0.02 | Linux 2.6.x |
| 52 | 2 | 0.00 | 1 | 0.01 | Series 60 |
| 53 | 2 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 54 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 55 | 1 | 0.00 | 0 | 0.00 | Win32 |
| 56 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 57 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.4 |
| 58 | 1 | 0.00 | 1 | 0.01 | +http://www.xovibot.net/ |
| 59 | 1 | 0.00 | 0 | 0.00 | AOL 9.7; AOLBuild 4343.55; Windows NT 6.... |
