| Used Operating Systems |
| 1 | 50083 | 93.62 | 4130 | 68.43 | Windows NT |
| 2 | 1322 | 2.47 | 1249 | 20.70 | +http://www.baidu.com/search/spider.html |
| 3 | 699 | 1.31 | 202 | 3.35 | +http://www.bing.com/bingbot.htm |
| 4 | 283 | 0.53 | 40 | 0.66 | Windows 98 |
| 5 | 189 | 0.35 | 60 | 0.99 | +http://www.google.com/bot.html |
| 6 | 167 | 0.31 | 23 | 0.38 | +http://yandex.com/bots |
| 7 | 84 | 0.16 | 8 | 0.13 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 8 | 79 | 0.15 | 5 | 0.08 | X11 |
| 9 | 77 | 0.14 | 71 | 1.18 | Windows 95 |
| 10 | 73 | 0.14 | 36 | 0.60 | http://www.majestic12.co.uk/bot.php?+ |
| 11 | 40 | 0.07 | 3 | 0.05 | Android 2.3.5 |
| 12 | 36 | 0.07 | 1 | 0.02 | +http://www.warebay.com/bot.html |
| 13 | 34 | 0.06 | 15 | 0.25 | http://www.opensiteexplorer.org/dotbot, ... |
| 14 | 31 | 0.06 | 10 | 0.17 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 24 | 0.04 | 12 | 0.20 | +http://www.exabot.com/go/robot |
| 16 | 22 | 0.04 | 11 | 0.18 | help@moz.com |
| 17 | 20 | 0.04 | 10 | 0.17 | +http://www.career-x.de/bot.html |
| 18 | 19 | 0.04 | 10 | 0.17 | Windows XP |
| 19 | 18 | 0.03 | 9 | 0.15 | +http://www.proximic.com/info/spider.php |
| 20 | 16 | 0.03 | 16 | 0.27 | Windows 3.1 |
| 21 | 15 | 0.03 | 14 | 0.23 | MSIE 5.5; Windows NT 5.0 |
| 22 | 15 | 0.03 | 13 | 0.22 | ) - BrowseX (2.0.0 Windows |
| 23 | 14 | 0.03 | 7 | 0.12 | +http://fulltext.sblog.cz/ |
| 24 | 13 | 0.02 | 13 | 0.22 | Windows 2000 |
| 25 | 12 | 0.02 | 12 | 0.20 | Auto; Windows |
| 26 | 12 | 0.02 | 12 | 0.20 | Windows ME |
| 27 | 10 | 0.02 | 10 | 0.17 | Windows CE |
| 28 | 9 | 0.02 | 8 | 0.13 | MSIE 5.5; Windows NT 4.0 |
| 29 | 9 | 0.02 | 3 | 0.05 | +http://www.grapeshot.co.uk/crawler.php |
| 30 | 8 | 0.01 | 4 | 0.07 | http://crawler.sistrix.net/ |
| 31 | 8 | 0.01 | 4 | 0.07 | +http://help.coccoc.com/ |
| 32 | 7 | 0.01 | 1 | 0.02 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 33 | 6 | 0.01 | 1 | 0.02 | Linux [unknown version] |
| 34 | 6 | 0.01 | 2 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 35 | 5 | 0.01 | 1 | 0.02 | +http://u12files.com/ |
| 36 | 4 | 0.01 | 2 | 0.03 | +http://www.netseer.com/crawler.html; cr... |
| 37 | 4 | 0.01 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 38 | 3 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 39 | 2 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 40 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 41 | 2 | 0.00 | 1 | 0.02 | +http://www.yunyun.com/spider.html |
| 42 | 2 | 0.00 | 2 | 0.03 | +http://wmaid.com/explore/ |
| 43 | 2 | 0.00 | 1 | 0.02 | +info@netcraft.com |
| 44 | 2 | 0.00 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 45 | 2 | 0.00 | 1 | 0.02 | +http://siteexplorer.info/ |
| 46 | 1 | 0.00 | 0 | 0.00 | Win32 |
| 47 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 48 | 1 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 49 | 1 | 0.00 | 1 | 0.02 | Intel Mac OS X 10.6 |
