| Used Operating Systems |
| 1 | 2033 | 42.26 | 1083 | 55.00 | +http://ahrefs.com/robot/ |
| 2 | 785 | 16.32 | 29 | 1.47 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 518 | 10.77 | 134 | 6.81 | +http://yandex.com/bots |
| 4 | 414 | 8.61 | 265 | 13.46 | Windows NT |
| 5 | 338 | 7.03 | 124 | 6.30 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 6 | 259 | 5.38 | 213 | 10.82 | +http://www.baidu.com/search/spider.html |
| 7 | 243 | 5.05 | 50 | 2.54 | +http://www.easou.com/search/spider.html |
| 8 | 88 | 1.83 | 15 | 0.76 | +http://www.bing.com/bingbot.htm |
| 9 | 86 | 1.79 | 38 | 1.93 | +http://www.google.com/bot.html |
| 10 | 12 | 0.25 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 11 | 8 | 0.17 | 4 | 0.20 | +http://www.exabot.com/go/robot |
| 12 | 6 | 0.12 | 3 | 0.15 | http://www.opensiteexplorer.org/dotbot, ... |
| 13 | 6 | 0.12 | 2 | 0.10 | +http://OpenLinkProfiler.org/bot |
| 14 | 4 | 0.08 | 2 | 0.10 | Windows 98 |
| 15 | 2 | 0.04 | 2 | 0.10 | http://www.bing.com/bingbot.htm |
| 16 | 2 | 0.04 | 1 | 0.05 | Windows 3.1 |
| 17 | 2 | 0.04 | 1 | 0.05 | Windows ME |
| 18 | 2 | 0.04 | 0 | 0.00 | Android 2.3.5 |
| 19 | 2 | 0.04 | 2 | 0.10 | +info@netcraft.com |
| 20 | 1 | 0.02 | 1 | 0.05 | X11 |
