| Used Operating Systems |
| 1 | 32995 | 50.96 | 310 | 3.00 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 18874 | 29.15 | 4306 | 41.60 | Windows NT |
| 3 | 5112 | 7.90 | 4335 | 41.88 | +http://www.baidu.com/search/spider.html |
| 4 | 2227 | 3.44 | 742 | 7.17 | +http://www.google.com/bot.html |
| 5 | 2057 | 3.18 | 24 | 0.23 | +http://www.seoprofiler.com/bot |
| 6 | 1943 | 3.00 | 155 | 1.50 | +http://yandex.com/bots |
| 7 | 493 | 0.76 | 249 | 2.41 | +http://www.bing.com/bingbot.htm |
| 8 | 458 | 0.71 | 73 | 0.71 | help@moz.com |
| 9 | 152 | 0.23 | 43 | 0.42 | +http://www.linkdex.com/about/bots/ |
| 10 | 121 | 0.19 | 12 | 0.12 | X11 |
| 11 | 66 | 0.10 | 2 | 0.02 | http://crawler.sistrix.net/ |
| 12 | 64 | 0.10 | 17 | 0.16 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 53 | 0.08 | 8 | 0.08 | Android 2.3.5 |
| 14 | 26 | 0.04 | 8 | 0.08 | Windows 98 |
| 15 | 21 | 0.03 | 20 | 0.19 | Windows 95 |
| 16 | 12 | 0.02 | 3 | 0.03 | +http://www.meanpath.com/meanpathbot.htm... |
| 17 | 7 | 0.01 | 7 | 0.07 | ) - BrowseX (2.0.0 Windows |
| 18 | 6 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 19 | 6 | 0.01 | 2 | 0.02 | +http://www.exabot.com/go/robot |
| 20 | 5 | 0.01 | 0 | 0.00 | Win32 |
| 21 | 5 | 0.01 | 3 | 0.03 | Linux [unknown version] |
| 22 | 5 | 0.01 | 5 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 23 | 5 | 0.01 | 4 | 0.04 | +info@netcraft.com |
| 24 | 3 | 0.00 | 3 | 0.03 | Android |
| 25 | 3 | 0.00 | 2 | 0.02 | Windows ME |
| 26 | 3 | 0.00 | 3 | 0.03 | Windows 3.1 |
| 27 | 3 | 0.00 | 3 | 0.03 | Linux i686 [unknown version] |
| 28 | 2 | 0.00 | 2 | 0.02 | Windows 2000 |
| 29 | 2 | 0.00 | 2 | 0.02 | Auto; Windows |
| 30 | 2 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 31 | 2 | 0.00 | 1 | 0.01 | +http://www.yunyun.com/spider.html |
| 32 | 2 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 33 | 2 | 0.00 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 34 | 2 | 0.00 | 2 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 35 | 1 | 0.00 | 1 | 0.01 | Windows CE |
| 36 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.5 |
| 37 | 1 | 0.00 | 1 | 0.01 | J2ME/MIDP |
| 38 | 1 | 0.00 | 1 | 0.01 | iOS |
| 39 | 1 | 0.00 | 0 | 0.00 | Windows XP |
| 40 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
