| Used Operating Systems |
| 1 | 15708 | 52.86 | 156 | 2.66 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 8063 | 27.13 | 3392 | 57.79 | +http://ahrefs.com/robot/ |
| 3 | 2565 | 8.63 | 803 | 13.68 | Windows NT |
| 4 | 1451 | 4.88 | 330 | 5.62 | +http://www.bing.com/bingbot.htm |
| 5 | 957 | 3.22 | 803 | 13.68 | +http://www.baidu.com/search/spider.html |
| 6 | 321 | 1.08 | 79 | 1.35 | +http://www.google.com/bot.html |
| 7 | 256 | 0.86 | 110 | 1.87 | +http://yandex.com/bots |
| 8 | 125 | 0.42 | 119 | 2.03 | +http://www.xovibot.net/ |
| 9 | 116 | 0.39 | 40 | 0.68 | +http://www.linkdex.com/bots/ |
| 10 | 70 | 0.24 | 9 | 0.15 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 52 | 0.17 | 11 | 0.19 | http://www.opensiteexplorer.org/dotbot, ... |
| 12 | 10 | 0.03 | 5 | 0.09 | +http://www.meanpath.com/meanpathbot.htm... |
| 13 | 6 | 0.02 | 2 | 0.03 | +https://www.lipperhey.com/en/about/ |
| 14 | 4 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 15 | 4 | 0.01 | 3 | 0.05 | Windows 95 |
| 16 | 3 | 0.01 | 2 | 0.03 | X11 |
| 17 | 2 | 0.01 | 2 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 18 | 2 | 0.01 | 2 | 0.03 | +http://megaindex.com/crawler |
| 19 | 1 | 0.00 | 1 | 0.02 | +info@netcraft.com |
| 20 | 1 | 0.00 | 1 | 0.02 | WinHttp.WinHttpRequest.5 |
