| Used Operating Systems |
| 1 | 13796 | 59.28 | 3380 | 70.34 | Windows NT |
| 2 | 1964 | 8.44 | 964 | 20.06 | +http://www.baidu.com/search/spider.html |
| 3 | 1894 | 8.14 | 4 | 0.08 | +http://OpenLinkProfiler.org/bot |
| 4 | 1655 | 7.11 | 27 | 0.56 | +http://yandex.com/bots |
| 5 | 1556 | 6.69 | 4 | 0.08 | http://crawler.sistrix.net/ |
| 6 | 887 | 3.81 | 26 | 0.54 | Windows 98 |
| 7 | 731 | 3.14 | 147 | 3.06 | +http://www.google.com/bot.html |
| 8 | 312 | 1.34 | 132 | 2.75 | +http://www.bing.com/bingbot.htm |
| 9 | 263 | 1.13 | 97 | 2.02 | MSIE 5.5; Windows NT 5.0 |
| 10 | 76 | 0.33 | 3 | 0.06 | X11 |
| 11 | 57 | 0.24 | 6 | 0.12 | +http://siteexplorer.info/ |
| 12 | 43 | 0.18 | 1 | 0.02 | Android 2.3.5 |
| 13 | 10 | 0.04 | 0 | 0.00 | Linux [unknown version] |
| 14 | 4 | 0.02 | 0 | 0.00 | Win32 |
| 15 | 4 | 0.02 | 4 | 0.08 | Windows 95 |
| 16 | 4 | 0.02 | 0 | 0.00 | help@moz.com |
| 17 | 4 | 0.02 | 3 | 0.06 | +info@netcraft.com |
| 18 | 3 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 19 | 2 | 0.01 | 2 | 0.04 | Windows CE |
| 20 | 2 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 21 | 2 | 0.01 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 22 | 1 | 0.00 | 1 | 0.02 | Windows ME |
| 23 | 1 | 0.00 | 1 | 0.02 | Windows 3.1 |
| 24 | 1 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 25 | 1 | 0.00 | 1 | 0.02 | Linux i686 [unknown version] |
| 26 | 1 | 0.00 | 1 | 0.02 | FreeBSD [unknown version] |
