| Used Operating Systems |
| 1 | 12736 | 25.47 | 11500 | 67.19 | +http://ahrefs.com/robot/ |
| 2 | 11877 | 23.75 | 448 | 2.62 | +http://yandex.com/bots |
| 3 | 10437 | 20.87 | 324 | 1.89 | Windows NT |
| 4 | 6751 | 13.50 | 46 | 0.27 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 4552 | 9.10 | 4137 | 24.17 | +http://www.baidu.com/search/spider.html |
| 6 | 2240 | 4.48 | 3 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 7 | 486 | 0.97 | 138 | 0.81 | +http://www.linkdex.com/bots/ |
| 8 | 366 | 0.73 | 165 | 0.96 | +http://www.google.com/bot.html |
| 9 | 265 | 0.53 | 133 | 0.78 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 210 | 0.42 | 147 | 0.86 | +http://www.bing.com/bingbot.htm |
| 11 | 24 | 0.05 | 23 | 0.13 | Windows 95 |
| 12 | 21 | 0.04 | 15 | 0.09 | Windows 98 |
| 13 | 18 | 0.04 | 8 | 0.05 | +http://www.uptime.com/uptimebot |
| 14 | 5 | 0.01 | 5 | 0.03 | Windows 2000 |
| 15 | 4 | 0.01 | 3 | 0.02 | +info@netcraft.com |
| 16 | 4 | 0.01 | 4 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 17 | 3 | 0.01 | 3 | 0.02 | Auto; Windows |
| 18 | 3 | 0.01 | 3 | 0.02 | Windows ME |
| 19 | 3 | 0.01 | 3 | 0.02 | Windows XP |
| 20 | 3 | 0.01 | 3 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 21 | 2 | 0.00 | 2 | 0.01 | Windows 3.1 |
| 22 | 1 | 0.00 | 1 | 0.01 | Windows CE |
| 23 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 24 | 1 | 0.00 | 1 | 0.01 | +http://www.xovibot.net/ |
