| Used Operating Systems |
| 1 | 14617 | 29.02 | 242 | 3.99 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 13752 | 27.31 | 2870 | 47.27 | Windows NT |
| 3 | 6955 | 13.81 | 7 | 0.12 | +http://webmeup-crawler.com/ |
| 4 | 4760 | 9.45 | 7 | 0.12 | +http://OpenLinkProfiler.org/bot |
| 5 | 1767 | 3.51 | 767 | 12.63 | +http://www.google.com/bot.html |
| 6 | 1760 | 3.49 | 89 | 1.47 | +http://yandex.com/bots |
| 7 | 1579 | 3.14 | 1550 | 25.53 | +http://www.baidu.com/search/spider.html |
| 8 | 1472 | 2.92 | 2 | 0.03 | +http://www.seoprofiler.com/bot |
| 9 | 1403 | 2.79 | 34 | 0.56 | Windows 98 |
| 10 | 1387 | 2.75 | 268 | 4.41 | +http://www.bing.com/bingbot.htm |
| 11 | 339 | 0.67 | 97 | 1.60 | +http://www.linkdex.com/about/bots/ |
| 12 | 198 | 0.39 | 9 | 0.15 | +http://siteexplorer.info/ |
| 13 | 73 | 0.14 | 16 | 0.26 | X11 |
| 14 | 48 | 0.10 | 15 | 0.25 | MSIE 5.5; Windows NT 5.0 |
| 15 | 44 | 0.09 | 7 | 0.12 | Android 2.3.5 |
| 16 | 42 | 0.08 | 23 | 0.38 | +http://www.exabot.com/go/robot |
| 17 | 34 | 0.07 | 11 | 0.18 | Windows ME |
| 18 | 27 | 0.05 | 19 | 0.31 | Windows 95 |
| 19 | 19 | 0.04 | 9 | 0.15 | help@moz.com |
| 20 | 17 | 0.03 | 9 | 0.15 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 21 | 13 | 0.03 | 5 | 0.08 | Windows 2000 |
| 22 | 12 | 0.02 | 4 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 23 | 7 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 24 | 6 | 0.01 | 0 | 0.00 | Win32 |
| 25 | 6 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 26 | 6 | 0.01 | 2 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 27 | 4 | 0.01 | 4 | 0.07 | Auto; Windows |
| 28 | 3 | 0.01 | 1 | 0.02 | Windows CE |
| 29 | 3 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 30 | 3 | 0.01 | 2 | 0.03 | +info@netcraft.com |
| 31 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 32 | 2 | 0.00 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 33 | 1 | 0.00 | 1 | 0.02 | Windows 3.1 |
| 34 | 1 | 0.00 | 0 | 0.00 | Windows XP |
