| Used Operating Systems |
| 1 | 16921 | 39.83 | 235 | 3.80 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 12016 | 28.29 | 3224 | 52.10 | Windows NT |
| 3 | 5947 | 14.00 | 344 | 5.56 | help@moz.com |
| 4 | 2378 | 5.60 | 4 | 0.06 | +http://www.seoprofiler.com/bot |
| 5 | 1535 | 3.61 | 1444 | 23.34 | +http://www.baidu.com/search/spider.html |
| 6 | 1235 | 2.91 | 460 | 7.43 | +http://www.google.com/bot.html |
| 7 | 940 | 2.21 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 8 | 599 | 1.41 | 243 | 3.93 | +http://www.bing.com/bingbot.htm |
| 9 | 469 | 1.10 | 111 | 1.79 | +http://yandex.com/bots |
| 10 | 92 | 0.22 | 26 | 0.42 | +http://www.linkdex.com/about/bots/ |
| 11 | 85 | 0.20 | 8 | 0.13 | +http://siteexplorer.info/ |
| 12 | 67 | 0.16 | 8 | 0.13 | X11 |
| 13 | 30 | 0.07 | 29 | 0.47 | Windows 95 |
| 14 | 30 | 0.07 | 0 | 0.00 | Android 2.3.5 |
| 15 | 28 | 0.07 | 12 | 0.19 | Windows 98 |
| 16 | 22 | 0.05 | 2 | 0.03 | +http://www.profound.net/urlappendbot.ht... |
| 17 | 20 | 0.05 | 5 | 0.08 | +http://www.meanpath.com/meanpathbot.htm... |
| 18 | 14 | 0.03 | 7 | 0.11 | +http://help.coccoc.com/ |
| 19 | 6 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 20 | 6 | 0.01 | 5 | 0.08 | MSIE 5.5; Windows NT 5.0 |
| 21 | 5 | 0.01 | 0 | 0.00 | Linux [unknown version] |
| 22 | 5 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 23 | 4 | 0.01 | 4 | 0.06 | Auto; Windows |
| 24 | 4 | 0.01 | 4 | 0.06 | ) - BrowseX (2.0.0 Windows |
| 25 | 4 | 0.01 | 4 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 26 | 3 | 0.01 | 3 | 0.05 | Windows 3.1 |
| 27 | 2 | 0.00 | 0 | 0.00 | Win32 |
| 28 | 2 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 29 | 2 | 0.00 | 1 | 0.02 | +http://www.compspy.com/spider.html |
| 30 | 2 | 0.00 | 1 | 0.02 | Linux i686 [unknown version] |
| 31 | 2 | 0.00 | 1 | 0.02 | +info@netcraft.com |
| 32 | 1 | 0.00 | 1 | 0.02 | Windows CE |
| 33 | 1 | 0.00 | 0 | 0.00 | Windows XP |
| 34 | 1 | 0.00 | 1 | 0.02 | Windows ME |
| 35 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
