| Used Operating Systems |
| 1 | 6620 | 27.65 | 1 | 0.03 | +http://megaindex.com/crawler |
| 2 | 5062 | 21.14 | 88 | 2.57 | http://mj12bot.com/ |
| 3 | 4963 | 20.73 | 1488 | 43.39 | Windows NT |
| 4 | 4751 | 19.85 | 346 | 10.09 | http://www.opensiteexplorer.org/dotbot, ... |
| 5 | 901 | 3.76 | 688 | 20.06 | +http://ahrefs.com/robot/ |
| 6 | 472 | 1.97 | 245 | 7.14 | +http://www.google.com/bot.html |
| 7 | 465 | 1.94 | 319 | 9.30 | +http://www.baidu.com/search/spider.html |
| 8 | 312 | 1.30 | 102 | 2.97 | +http://yandex.com/bots |
| 9 | 175 | 0.73 | 64 | 1.87 | +http://www.linkdex.com/bots/ |
| 10 | 85 | 0.36 | 32 | 0.93 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 34 | 0.14 | 11 | 0.32 | +http://www.semrush.com/bot.html |
| 12 | 22 | 0.09 | 3 | 0.09 | X11 |
| 13 | 21 | 0.09 | 16 | 0.47 | Windows 95 |
| 14 | 12 | 0.05 | 4 | 0.12 | Windows 98 |
| 15 | 11 | 0.05 | 2 | 0.06 | Android 2.3.5 |
| 16 | 6 | 0.03 | 2 | 0.06 | Windows XP |
| 17 | 6 | 0.03 | 1 | 0.03 | +http://www.bing.com/bingbot.htm |
| 18 | 4 | 0.02 | 4 | 0.12 | Windows ME |
| 19 | 4 | 0.02 | 1 | 0.03 | http://filterdb.iss.net/crawler/ |
| 20 | 3 | 0.01 | 2 | 0.06 | Windows 3.1 |
| 21 | 2 | 0.01 | 2 | 0.06 | Windows 2000 |
| 22 | 2 | 0.01 | 2 | 0.06 | Windows CE |
| 23 | 2 | 0.01 | 2 | 0.06 | Auto; Windows |
| 24 | 2 | 0.01 | 2 | 0.06 | ) - BrowseX (2.0.0 Windows |
| 25 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 26 | 1 | 0.00 | 1 | 0.03 | +info@netcraft.com |
| 27 | 1 | 0.00 | 1 | 0.03 | MSIE 5.5; Windows NT 5.0 |
