| Used Operating Systems |
| 1 | 3884 | 33.20 | 1708 | 28.76 | Windows NT |
| 2 | 2175 | 18.59 | 2086 | 35.12 | +http://www.baidu.com/search/spider.html |
| 3 | 1089 | 9.31 | 464 | 7.81 | +http://www.google.com/bot.html |
| 4 | 860 | 7.35 | 587 | 9.88 | +http://www.easou.com/search/spider.html |
| 5 | 636 | 5.44 | 353 | 5.94 | +http://www.bing.com/bingbot.htm |
| 6 | 623 | 5.33 | 78 | 1.31 | +http://yandex.com/bots |
| 7 | 605 | 5.17 | 173 | 2.91 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 324 | 2.77 | 120 | 2.02 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 277 | 2.37 | 100 | 1.68 | +http://ahrefs.com/robot/ |
| 10 | 240 | 2.05 | 123 | 2.07 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 230 | 1.97 | 30 | 0.51 | http://www.majestic12.co.uk/bot.php?+ |
| 12 | 229 | 1.96 | 1 | 0.02 | +http://www.seokicks.de/robot.html |
| 13 | 227 | 1.94 | 1 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 14 | 116 | 0.99 | 56 | 0.94 | +http://www.linkdex.com/bots/ |
| 15 | 54 | 0.46 | 6 | 0.10 | http://www.searchmetrics.com/en/searchme... |
| 16 | 30 | 0.26 | 16 | 0.27 | +http://www.exabot.com/go/robot |
| 17 | 10 | 0.09 | 2 | 0.03 | +http://freedlf.com/ |
| 18 | 9 | 0.08 | 6 | 0.10 | Windows 95 |
| 19 | 8 | 0.07 | 1 | 0.02 | X11 |
| 20 | 7 | 0.06 | 3 | 0.05 | +http://gimme60.com |
| 21 | 6 | 0.05 | 0 | 0.00 | J2ME/MIDP |
| 22 | 6 | 0.05 | 0 | 0.00 | Linux [unknown version] |
| 23 | 5 | 0.04 | 1 | 0.02 | Android 2.3.5 |
| 24 | 4 | 0.03 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 25 | 4 | 0.03 | 2 | 0.03 | http://crawler.sistrix.net/ |
| 26 | 4 | 0.03 | 4 | 0.07 | Windows 3.1 |
| 27 | 4 | 0.03 | 3 | 0.05 | +http://www.semrush.com/bot.html |
| 28 | 3 | 0.03 | 2 | 0.03 | Windows 2000 |
| 29 | 3 | 0.03 | 2 | 0.03 | Windows ME |
| 30 | 2 | 0.02 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 31 | 2 | 0.02 | 0 | 0.00 | Win32 |
| 32 | 2 | 0.02 | 2 | 0.03 | +http://136.186.231.16 |
| 33 | 2 | 0.02 | 1 | 0.02 | Windows 99 |
| 34 | 2 | 0.02 | 2 | 0.03 | Linux i686 [unknown version] |
| 35 | 2 | 0.02 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 36 | 2 | 0.02 | 1 | 0.02 | +info@netcraft.com |
| 37 | 2 | 0.02 | 1 | 0.02 | Windows 98 |
| 38 | 2 | 0.02 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 39 | 2 | 0.02 | 1 | 0.02 | +http://siteexplorer.info/ |
| 40 | 2 | 0.02 | 1 | 0.02 | +http://fulltext.sblog.cz/ |
| 41 | 1 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 42 | 1 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 43 | 1 | 0.01 | 1 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 44 | 1 | 0.01 | 0 | 0.00 | AOL 9.7; AOLBuild 4343.55; Windows NT 6.... |
