| Used Operating Systems |
| 1 | 160561 | 77.54 | 715 | 3.30 | http://mj12bot.com/ |
| 2 | 28762 | 13.89 | 17658 | 81.46 | +http://ahrefs.com/robot/ |
| 3 | 6978 | 3.37 | 1045 | 4.82 | Windows NT |
| 4 | 4995 | 2.41 | 141 | 0.65 | http://www.opensiteexplorer.org/dotbot, ... |
| 5 | 1709 | 0.83 | 263 | 1.21 | +http://www.linkdex.com/bots/ |
| 6 | 1700 | 0.82 | 1360 | 6.27 | +http://www.baidu.com/search/spider.html |
| 7 | 972 | 0.47 | 170 | 0.78 | +http://www.bing.com/bingbot.htm |
| 8 | 792 | 0.38 | 244 | 1.13 | +http://www.google.com/bot.html |
| 9 | 501 | 0.24 | 71 | 0.33 | +http://yandex.com/bots |
| 10 | 104 | 0.05 | 8 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 11 | 2 | 0.00 | 1 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 13 | 1 | 0.00 | 1 | 0.00 | +http://www.exabot.com/go/robot |
