| Used Operating Systems |
| 1 | 20423 | 49.17 | 17232 | 80.04 | +http://ahrefs.com/robot/ |
| 2 | 9015 | 21.71 | 155 | 0.72 | http://mj12bot.com/ |
| 3 | 7332 | 17.65 | 1750 | 8.13 | Windows NT |
| 4 | 1918 | 4.62 | 1514 | 7.03 | +http://www.baidu.com/search/spider.html |
| 5 | 1127 | 2.71 | 253 | 1.18 | http://www.opensiteexplorer.org/dotbot, ... |
| 6 | 862 | 2.08 | 204 | 0.95 | +http://www.linkdex.com/bots/ |
| 7 | 362 | 0.87 | 252 | 1.17 | +http://www.bing.com/bingbot.htm |
| 8 | 210 | 0.51 | 115 | 0.53 | +http://www.google.com/bot.html |
| 9 | 191 | 0.46 | 35 | 0.16 | +http://yandex.com/bots |
| 10 | 30 | 0.07 | 0 | 0.00 | X11 |
| 11 | 21 | 0.05 | 0 | 0.00 | Android 2.3.5 |
| 12 | 14 | 0.03 | 1 | 0.00 | Intel Mac OS X 10.5 |
| 13 | 8 | 0.02 | 3 | 0.01 | +http://sur.ly/bot.html |
| 14 | 5 | 0.01 | 3 | 0.01 | Windows 95 |
| 15 | 4 | 0.01 | 2 | 0.01 | +info@netcraft.com |
| 16 | 2 | 0.00 | 2 | 0.01 | Windows 2000 |
| 17 | 2 | 0.00 | 2 | 0.01 | Windows XP |
| 18 | 2 | 0.00 | 2 | 0.01 | Windows 3.1 |
| 19 | 2 | 0.00 | 1 | 0.00 | Windows 98 |
| 20 | 1 | 0.00 | 1 | 0.00 | Windows CE |
| 21 | 1 | 0.00 | 1 | 0.00 | Auto; Windows |
| 22 | 1 | 0.00 | 1 | 0.00 | ) - BrowseX (2.0.0 Windows |
