| Used Operating Systems |
| 1 | 55599 | 53.66 | 7350 | 46.35 | Windows NT |
| 2 | 12569 | 12.13 | 304 | 1.92 | http://www.opensiteexplorer.org/dotbot, ... |
| 3 | 10859 | 10.48 | 6105 | 38.50 | +http://www.baidu.com/search/spider.html |
| 4 | 9966 | 9.62 | 145 | 0.91 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 4661 | 4.50 | 274 | 1.73 | +http://www.bing.com/bingbot.htm |
| 6 | 2128 | 2.05 | 477 | 3.01 | +http://www.google.com/bot.html |
| 7 | 1875 | 1.81 | 505 | 3.18 | +http://www.easou.com/search/spider.html |
| 8 | 891 | 0.86 | 19 | 0.12 | Windows 98 |
| 9 | 763 | 0.74 | 96 | 0.61 | +http://yandex.com/bots |
| 10 | 470 | 0.45 | 5 | 0.03 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 460 | 0.44 | 3 | 0.02 | +http://ahrefs.com/robot/ |
| 12 | 377 | 0.36 | 10 | 0.06 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 354 | 0.34 | 2 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 14 | 295 | 0.28 | 87 | 0.55 | +http://www.linkdex.com/bots/ |
| 15 | 275 | 0.27 | 135 | 0.85 | Windows 95 |
| 16 | 246 | 0.24 | 86 | 0.54 | MSIE 5.5; Windows NT 5.0 |
| 17 | 206 | 0.20 | 2 | 0.01 | AOL 9.7; AOLBuild 4343.1028; Windows NT ... |
| 18 | 203 | 0.20 | 1 | 0.01 | PPC Mac OS X 10.5 |
| 19 | 183 | 0.18 | 2 | 0.01 | Windows Phone OS 7.5 |
| 20 | 144 | 0.14 | 2 | 0.01 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 21 | 113 | 0.11 | 17 | 0.11 | +http://www.exabot.com/go/robot |
| 22 | 100 | 0.10 | 5 | 0.03 | Windows 92 |
| 23 | 97 | 0.09 | 1 | 0.01 | +http://endb-consolidated.aihit.com/ |
| 24 | 79 | 0.08 | 1 | 0.01 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 25 | 71 | 0.07 | 1 | 0.01 | AOL 9.7; AOLBuild 4343.1028; Windows NT ... |
| 26 | 64 | 0.06 | 2 | 0.01 | +http://fulltext.sblog.cz/ |
| 27 | 62 | 0.06 | 29 | 0.18 | Windows ME |
| 28 | 61 | 0.06 | 24 | 0.15 | +http://www.career-x.de/bot.html |
| 29 | 60 | 0.06 | 2 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 30 | 42 | 0.04 | 23 | 0.15 | Windows 3.1 |
| 31 | 40 | 0.04 | 28 | 0.18 | Windows CE |
| 32 | 40 | 0.04 | 23 | 0.15 | Windows 2000 |
| 33 | 38 | 0.04 | 2 | 0.01 | Windows XP |
| 34 | 30 | 0.03 | 15 | 0.09 | Auto; Windows |
| 35 | 24 | 0.02 | 14 | 0.09 | ) - BrowseX (2.0.0 Windows |
| 36 | 24 | 0.02 | 6 | 0.04 | X11 |
| 37 | 23 | 0.02 | 17 | 0.11 | MSIE 5.5; Windows NT 4.0 |
| 38 | 13 | 0.01 | 2 | 0.01 | Linux i686 [unknown version] |
| 39 | 12 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 40 | 11 | 0.01 | 9 | 0.06 | +info@netcraft.com |
| 41 | 9 | 0.01 | 4 | 0.03 | Linux [unknown version] |
| 42 | 9 | 0.01 | 3 | 0.02 | Android 2.3.5 |
| 43 | 8 | 0.01 | 1 | 0.01 | +http://www.seokicks.de/robot.html |
| 44 | 6 | 0.01 | 2 | 0.01 | +http://getdownload.ws |
| 45 | 6 | 0.01 | 1 | 0.01 | +http://zoof.to/zoofbot |
| 46 | 6 | 0.01 | 4 | 0.03 | https://help.yahoo.com/kb/mail/yahoo-lin... |
| 47 | 5 | 0.00 | 1 | 0.01 | +http://tryload.in |
| 48 | 4 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/ |
| 49 | 3 | 0.00 | 1 | 0.01 | Macintosh PPC |
| 50 | 3 | 0.00 | 1 | 0.01 | +http://www.xovibot.net/ |
| 51 | 3 | 0.00 | 1 | 0.01 | +http://overx50.com/ |
| 52 | 2 | 0.00 | 0 | 0.00 | +http://www.proximic.com/info/spider.php |
| 53 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 54 | 2 | 0.00 | 2 | 0.01 | Intel Mac OS X 10.4 |
| 55 | 2 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 56 | 2 | 0.00 | 1 | 0.01 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 57 | 2 | 0.00 | 0 | 0.00 | +http://www.zeerch.com/zeerch2/bot.php |
| 58 | 2 | 0.00 | 2 | 0.01 | +http://wmaid.com/explore/ |
| 59 | 2 | 0.00 | 0 | 0.00 | ScoutJet; +http://blekko.com/about/blekk... |
| 60 | 2 | 0.00 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 61 | 1 | 0.00 | 0 | 0.00 | Win32 |
| 62 | 1 | 0.00 | 1 | 0.01 | +http://fb02itsscan.fh-muenster.de |
| 63 | 1 | 0.00 | 1 | 0.01 | PPC Mac OS X Mach-O |
