| Used Operating Systems |
| 1 | 2985 | 31.37 | 147 | 3.71 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 2566 | 26.97 | 2065 | 52.13 | +http://ahrefs.com/robot/ |
| 3 | 1458 | 15.32 | 1193 | 30.12 | +http://www.baidu.com/search/spider.html |
| 4 | 1285 | 13.50 | 190 | 4.80 | Windows NT |
| 5 | 470 | 4.94 | 136 | 3.43 | +http://yandex.com/bots |
| 6 | 367 | 3.86 | 67 | 1.69 | http://www.opensiteexplorer.org/dotbot, ... |
| 7 | 138 | 1.45 | 43 | 1.09 | +http://www.bing.com/bingbot.htm |
| 8 | 97 | 1.02 | 51 | 1.29 | +http://www.google.com/bot.html |
| 9 | 48 | 0.50 | 22 | 0.56 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 32 | 0.34 | 17 | 0.43 | +http://www.exabot.com/go/robot |
| 11 | 27 | 0.28 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 12 | 10 | 0.11 | 8 | 0.20 | Windows 95 |
| 13 | 8 | 0.08 | 4 | 0.10 | +http://www.linkdex.com/bots/ |
| 14 | 8 | 0.08 | 3 | 0.08 | Windows 98 |
| 15 | 4 | 0.04 | 4 | 0.10 | Windows CE |
| 16 | 4 | 0.04 | 4 | 0.10 | MSIE 5.5; Windows NT 4.0 |
| 17 | 2 | 0.02 | 1 | 0.03 | Windows ME |
| 18 | 2 | 0.02 | 2 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 19 | 2 | 0.02 | 2 | 0.05 | ) - BrowseX (2.0.0 Windows |
| 20 | 2 | 0.02 | 2 | 0.05 | +info@netcraft.com |
