| Used Operating Systems |
| 1 | 6754 | 42.93 | 2865 | 46.79 | Windows NT |
| 2 | 3607 | 22.93 | 77 | 1.26 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 3178 | 20.20 | 2645 | 43.20 | +http://www.baidu.com/search/spider.html |
| 4 | 718 | 4.56 | 211 | 3.45 | +http://www.google.com/bot.html |
| 5 | 419 | 2.66 | 206 | 3.36 | +http://www.bing.com/bingbot.htm |
| 6 | 396 | 2.52 | 3 | 0.05 | +http://www.seoprofiler.com/bot |
| 7 | 348 | 2.21 | 2 | 0.03 | http://crawler.sistrix.net/ |
| 8 | 105 | 0.67 | 20 | 0.33 | +http://yandex.com/bots |
| 9 | 46 | 0.29 | 17 | 0.28 | X11 |
| 10 | 32 | 0.20 | 9 | 0.15 | +http://www.linkdex.com/about/bots/ |
| 11 | 29 | 0.18 | 13 | 0.21 | +http://www.easou.com/search/spider.html |
| 12 | 24 | 0.15 | 11 | 0.18 | Android 2.3.5 |
| 13 | 15 | 0.10 | 9 | 0.15 | Windows 98 |
| 14 | 13 | 0.08 | 11 | 0.18 | Windows 95 |
| 15 | 6 | 0.04 | 0 | 0.00 | Macintosh PPC |
| 16 | 5 | 0.03 | 4 | 0.07 | +http://www.semrush.com/bot.html |
| 17 | 4 | 0.03 | 4 | 0.07 | http://help.yahoo.com/help/us/ysearch/sl... |
| 18 | 4 | 0.03 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 19 | 4 | 0.03 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 20 | 3 | 0.02 | 0 | 0.00 | Linux 2.4.x |
| 21 | 3 | 0.02 | 1 | 0.02 | +info@netcraft.com |
| 22 | 3 | 0.02 | 3 | 0.05 | ) - BrowseX (2.0.0 Windows |
| 23 | 2 | 0.01 | 2 | 0.03 | Windows 2000 |
| 24 | 2 | 0.01 | 0 | 0.00 | Win32 |
| 25 | 2 | 0.01 | 1 | 0.02 | Windows ME |
| 26 | 2 | 0.01 | 2 | 0.03 | Windows 3.1 |
| 27 | 1 | 0.01 | 1 | 0.02 | Windows CE |
| 28 | 1 | 0.01 | 1 | 0.02 | Auto; Windows |
| 29 | 1 | 0.01 | 0 | 0.00 | Windows XP |
| 30 | 1 | 0.01 | 1 | 0.02 | Linux [unknown version] |
| 31 | 1 | 0.01 | 1 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 32 | 1 | 0.01 | 1 | 0.02 | Linux i686 [unknown version] |
| 33 | 1 | 0.01 | 1 | 0.02 | MSIE 5.5; Windows NT 5.0 |
