| Used Operating Systems |
| 1 | 4775 | 32.90 | 1386 | 52.66 | Windows NT |
| 2 | 3128 | 21.55 | 797 | 30.28 | +http://www.baidu.com/search/spider.html |
| 3 | 3051 | 21.02 | 8 | 0.30 | http://crawler.sistrix.net/ |
| 4 | 1716 | 11.82 | 70 | 2.66 | +http://yandex.com/bots |
| 5 | 686 | 4.73 | 11 | 0.42 | +http://www.seoprofiler.com/bot |
| 6 | 505 | 3.48 | 197 | 7.48 | +http://www.google.com/bot.html |
| 7 | 439 | 3.03 | 133 | 5.05 | +http://www.bing.com/bingbot.htm |
| 8 | 135 | 0.93 | 15 | 0.57 | +http://siteexplorer.info/ |
| 9 | 12 | 0.08 | 0 | 0.00 | Macintosh PPC |
| 10 | 10 | 0.07 | 0 | 0.00 | Linux 2.4.x |
| 11 | 10 | 0.07 | 3 | 0.11 | X11 |
| 12 | 8 | 0.06 | 0 | 0.00 | Android 2.3.5 |
| 13 | 8 | 0.06 | 0 | 0.00 | help@moz.com |
| 14 | 7 | 0.05 | 0 | 0.00 | Win32 |
| 15 | 5 | 0.03 | 3 | 0.11 | +info@netcraft.com |
| 16 | 4 | 0.03 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 17 | 4 | 0.03 | 1 | 0.04 | +http://www.meanpath.com/meanpathbot.htm... |
| 18 | 3 | 0.02 | 3 | 0.11 | Linux [unknown version] |
| 19 | 3 | 0.02 | 3 | 0.11 | Linux i686 [unknown version] |
| 20 | 1 | 0.01 | 1 | 0.04 | http://www.searchmetrics.com/en/searchme... |
| 21 | 1 | 0.01 | 1 | 0.04 | Windows 95 |
| 22 | 1 | 0.01 | 0 | 0.00 | Windows 98 |
