| Used Operating Systems |
| 1 | 19858 | 60.74 | 1329 | 59.38 | Windows NT |
| 2 | 9024 | 27.60 | 105 | 4.69 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 2118 | 6.48 | 313 | 13.99 | +http://ahrefs.com/robot/ |
| 4 | 998 | 3.05 | 48 | 2.14 | +http://www.bing.com/bingbot.htm |
| 5 | 273 | 0.84 | 236 | 10.55 | +http://www.baidu.com/search/spider.html |
| 6 | 143 | 0.44 | 92 | 4.11 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 7 | 137 | 0.42 | 47 | 2.10 | +http://yandex.com/bots |
| 8 | 55 | 0.17 | 21 | 0.94 | +http://www.google.com/bot.html |
| 9 | 46 | 0.14 | 16 | 0.71 | +http://www.linkdex.com/bots/ |
| 10 | 8 | 0.02 | 7 | 0.31 | Windows 95 |
| 11 | 6 | 0.02 | 3 | 0.13 | http://www.opensiteexplorer.org/dotbot, ... |
| 12 | 4 | 0.01 | 4 | 0.18 | Windows XP |
| 13 | 4 | 0.01 | 4 | 0.18 | Windows ME |
| 14 | 4 | 0.01 | 4 | 0.18 | Windows 98 |
| 15 | 4 | 0.01 | 2 | 0.09 | +http://www.exabot.com/go/robot |
| 16 | 3 | 0.01 | 1 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 17 | 2 | 0.01 | 2 | 0.09 | Windows CE |
| 18 | 2 | 0.01 | 1 | 0.04 | X11 |
| 19 | 1 | 0.00 | 1 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 20 | 1 | 0.00 | 1 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 21 | 1 | 0.00 | 1 | 0.04 | +http://www.semrush.com/bot.html |
