| Used Operating Systems |
| 1 | 49067 | 86.53 | 5243 | 70.52 | Windows NT |
| 2 | 1900 | 3.35 | 48 | 0.65 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 1632 | 2.88 | 1515 | 20.38 | +http://www.baidu.com/search/spider.html |
| 4 | 1231 | 2.17 | 19 | 0.26 | Windows 98 |
| 5 | 861 | 1.52 | 220 | 2.96 | +http://www.google.com/bot.html |
| 6 | 446 | 0.79 | 87 | 1.17 | +http://www.bing.com/bingbot.htm |
| 7 | 418 | 0.74 | 36 | 0.48 | help@moz.com |
| 8 | 350 | 0.62 | 96 | 1.29 | +http://www.linkdex.com/about/bots/ |
| 9 | 168 | 0.30 | 18 | 0.24 | +http://yandex.com/bots |
| 10 | 112 | 0.20 | 26 | 0.35 | X11 |
| 11 | 57 | 0.10 | 16 | 0.22 | Android 2.3.5 |
| 12 | 50 | 0.09 | 3 | 0.04 | Windows Phone OS 7.5 |
| 13 | 48 | 0.08 | 17 | 0.23 | Windows 95 |
| 14 | 24 | 0.04 | 3 | 0.04 | Android 2.2.1 |
| 15 | 24 | 0.04 | 4 | 0.05 | +http://www.exabot.com/go/robot |
| 16 | 23 | 0.04 | 2 | 0.03 | Android |
| 17 | 23 | 0.04 | 3 | 0.04 | http://help.yahoo.com/help/us/ysearch/sl... |
| 18 | 21 | 0.04 | 7 | 0.09 | Auto; Windows |
| 19 | 16 | 0.03 | 3 | 0.04 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 20 | 16 | 0.03 | 4 | 0.05 | +http://www.profound.net/urlappendbot.ht... |
| 21 | 15 | 0.03 | 6 | 0.08 | Linux [unknown version] |
| 22 | 14 | 0.02 | 7 | 0.09 | MSIE 5.5; Windows NT 5.0 |
| 23 | 13 | 0.02 | 7 | 0.09 | Windows CE |
| 24 | 13 | 0.02 | 1 | 0.01 | PPC Mac OS X 10.4 |
| 25 | 11 | 0.02 | 1 | 0.01 | Macintosh PPC |
| 26 | 11 | 0.02 | 4 | 0.05 | Windows 3.1 |
| 27 | 10 | 0.02 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 28 | 10 | 0.02 | 5 | 0.07 | http://crawler.sistrix.net/ |
| 29 | 10 | 0.02 | 6 | 0.08 | Windows XP |
| 30 | 8 | 0.01 | 0 | 0.00 | Win32 |
| 31 | 8 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 32 | 8 | 0.01 | 4 | 0.05 | Windows ME |
| 33 | 7 | 0.01 | 4 | 0.05 | Linux i686 [unknown version] |
| 34 | 6 | 0.01 | 0 | 0.00 | Android 2.3.3 |
| 35 | 6 | 0.01 | 2 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 36 | 6 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 37 | 6 | 0.01 | 2 | 0.03 | +http://www.seokicks.de/robot.html |
| 38 | 6 | 0.01 | 4 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 39 | 5 | 0.01 | 3 | 0.04 | Windows 2000 |
| 40 | 5 | 0.01 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 41 | 4 | 0.01 | 0 | 0.00 | Windows 92 |
| 42 | 4 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 43 | 4 | 0.01 | 0 | 0.00 | S60 |
| 44 | 4 | 0.01 | 2 | 0.03 | +info@netcraft.com |
| 45 | 4 | 0.01 | 3 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 46 | 4 | 0.01 | 1 | 0.01 | +http://fulltext.sblog.cz/ |
| 47 | 3 | 0.01 | 0 | 0.00 | +http://siteexplorer.info/ |
| 48 | 2 | 0.00 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 49 | 2 | 0.00 | 0 | 0.00 | J2ME/MIDP |
| 50 | 2 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 51 | 1 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 52 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.5 |
| 53 | 1 | 0.00 | 0 | 0.00 | +http://tweetmeme.com/ |
| 54 | 1 | 0.00 | 0 | 0.00 | +http://www.proximic.com/info/spider.php |
