| Used Operating Systems |
| 1 | 12568 | 54.56 | 3106 | 55.98 | Windows NT |
| 2 | 2429 | 10.54 | 1755 | 31.63 | +http://www.baidu.com/search/spider.html |
| 3 | 2053 | 8.91 | 95 | 1.71 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 1515 | 6.58 | 72 | 1.30 | +http://yandex.com/bots |
| 5 | 1463 | 6.35 | 209 | 3.77 | +http://www.google.com/bot.html |
| 6 | 1402 | 6.09 | 5 | 0.09 | +http://www.seoprofiler.com/bot |
| 7 | 612 | 2.66 | 116 | 2.09 | +http://www.bing.com/bingbot.htm |
| 8 | 319 | 1.38 | 1 | 0.02 | http://crawler.sistrix.net/ |
| 9 | 160 | 0.69 | 4 | 0.07 | J2ME/MIDP |
| 10 | 94 | 0.41 | 36 | 0.65 | +http://www.linkdex.com/about/bots/ |
| 11 | 72 | 0.31 | 10 | 0.18 | +http://www.exabot.com/go/robot |
| 12 | 63 | 0.27 | 12 | 0.22 | X11 |
| 13 | 53 | 0.23 | 15 | 0.27 | help@moz.com |
| 14 | 34 | 0.15 | 17 | 0.31 | +http://www.career-x.de/bot.html |
| 15 | 31 | 0.13 | 28 | 0.50 | Windows 95 |
| 16 | 23 | 0.10 | 1 | 0.02 | Android 2.3.5 |
| 17 | 18 | 0.08 | 7 | 0.13 | Windows 98 |
| 18 | 12 | 0.05 | 10 | 0.18 | Linux i686 [unknown version] |
| 19 | 11 | 0.05 | 0 | 0.00 | Macintosh PPC |
| 20 | 8 | 0.03 | 2 | 0.04 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 21 | 8 | 0.03 | 2 | 0.04 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 22 | 8 | 0.03 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 23 | 7 | 0.03 | 0 | 0.00 | Linux 2.4.x |
| 24 | 7 | 0.03 | 7 | 0.13 | Windows 3.1 |
| 25 | 6 | 0.03 | 0 | 0.00 | Win32 |
| 26 | 6 | 0.03 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 27 | 6 | 0.03 | 1 | 0.02 | Windows XP |
| 28 | 5 | 0.02 | 5 | 0.09 | Windows CE |
| 29 | 5 | 0.02 | 5 | 0.09 | +http://www.semrush.com/bot.html |
| 30 | 4 | 0.02 | 4 | 0.07 | Auto; Windows |
| 31 | 4 | 0.02 | 2 | 0.04 | +http://www.netseer.com/crawler.html; cr... |
| 32 | 4 | 0.02 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 33 | 3 | 0.01 | 1 | 0.02 | Linux [unknown version] |
| 34 | 3 | 0.01 | 3 | 0.05 | Windows ME |
| 35 | 3 | 0.01 | 3 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 36 | 3 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 37 | 2 | 0.01 | 2 | 0.04 | Windows 2000 |
| 38 | 2 | 0.01 | 1 | 0.02 | Intel Mac OS X |
| 39 | 2 | 0.01 | 1 | 0.02 | +http://www.yunyun.com/spider.html |
| 40 | 2 | 0.01 | 2 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 41 | 1 | 0.00 | 1 | 0.02 | PPC Mac OS X 10.4 |
| 42 | 1 | 0.00 | 1 | 0.02 | X11; Linux i686; de |
| 43 | 1 | 0.00 | 1 | 0.02 | http://help.yahoo.com/help/us/ysearch/sl... |
| 44 | 1 | 0.00 | 1 | 0.02 | Macintosh |
| 45 | 1 | 0.00 | 1 | 0.02 | WinHttp.WinHttpRequest.5 |
| 46 | 1 | 0.00 | 1 | 0.02 | ) - BrowseX (2.0.0 Windows |
