| Used Operating Systems |
| 1 | 8230 | 38.38 | 3918 | 42.47 | Windows NT |
| 2 | 3660 | 17.07 | 3041 | 32.96 | +http://www.baidu.com/search/spider.html |
| 3 | 3526 | 16.44 | 437 | 4.74 | +http://www.bing.com/bingbot.htm |
| 4 | 3519 | 16.41 | 1478 | 16.02 | +http://www.easou.com/search/spider.html |
| 5 | 1263 | 5.89 | 62 | 0.67 | Windows 98 |
| 6 | 297 | 1.39 | 102 | 1.11 | +http://www.google.com/bot.html |
| 7 | 244 | 1.14 | 43 | 0.47 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 183 | 0.85 | 20 | 0.22 | +http://yandex.com/bots |
| 9 | 144 | 0.67 | 3 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 10 | 77 | 0.36 | 26 | 0.28 | +http://www.linkdex.com/bots/ |
| 11 | 64 | 0.30 | 34 | 0.37 | Windows 95 |
| 12 | 58 | 0.27 | 10 | 0.11 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 26 | 0.12 | 4 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 14 | 19 | 0.09 | 4 | 0.04 | Windows ME |
| 15 | 17 | 0.08 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 16 | 16 | 0.07 | 3 | 0.03 | X11 |
| 17 | 14 | 0.07 | 5 | 0.05 | Windows 2000 |
| 18 | 10 | 0.05 | 6 | 0.07 | MSIE 5.5; Windows NT 5.0 |
| 19 | 7 | 0.03 | 5 | 0.05 | Windows CE |
| 20 | 7 | 0.03 | 1 | 0.01 | Auto; Windows |
| 21 | 7 | 0.03 | 2 | 0.02 | +http://gimme60.com |
| 22 | 6 | 0.03 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 23 | 6 | 0.03 | 2 | 0.02 | Windows XP |
| 24 | 6 | 0.03 | 3 | 0.03 | Android 2.3.5 |
| 25 | 5 | 0.02 | 4 | 0.04 | Windows 3.1 |
| 26 | 5 | 0.02 | 1 | 0.01 | +http://u12files.com/ |
| 27 | 4 | 0.02 | 0 | 0.00 | Win32 |
| 28 | 3 | 0.01 | 3 | 0.03 | +http://wmaid.com/explore/ |
| 29 | 3 | 0.01 | 1 | 0.01 | +http://inload.in |
| 30 | 3 | 0.01 | 1 | 0.01 | +http://freedlf.com/ |
| 31 | 3 | 0.01 | 0 | 0.00 | ) - BrowseX (2.0.0 Windows |
| 32 | 2 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 33 | 2 | 0.01 | 2 | 0.02 | Linux i686 [unknown version] |
| 34 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 35 | 2 | 0.01 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 36 | 1 | 0.00 | 1 | 0.01 | http://www.lipperhey.com/ |
| 37 | 1 | 0.00 | 0 | 0.00 | J2ME/MIDP |
| 38 | 1 | 0.00 | 1 | 0.01 | +http://136.186.231.16 |
