| Used Operating Systems |
| 1 | 15632 | 79.87 | 249 | 8.95 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 2131 | 10.89 | 1900 | 68.32 | +http://ahrefs.com/robot/ |
| 3 | 731 | 3.74 | 144 | 5.18 | +http://www.bing.com/bingbot.htm |
| 4 | 571 | 2.92 | 177 | 6.36 | Windows NT |
| 5 | 273 | 1.39 | 256 | 9.21 | +http://www.baidu.com/search/spider.html |
| 6 | 98 | 0.50 | 4 | 0.14 | +http://yandex.com/bots |
| 7 | 43 | 0.22 | 8 | 0.29 | +http://www.google.com/bot.html |
| 8 | 30 | 0.15 | 10 | 0.36 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 24 | 0.12 | 12 | 0.43 | +http://www.exabot.com/go/robot |
| 10 | 12 | 0.06 | 4 | 0.14 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 8 | 0.04 | 4 | 0.14 | http://www.opensiteexplorer.org/dotbot, ... |
| 12 | 8 | 0.04 | 4 | 0.14 | +http://www.semrush.com/bot.html |
| 13 | 2 | 0.01 | 2 | 0.07 | Windows ME |
| 14 | 2 | 0.01 | 2 | 0.07 | Windows 95 |
| 15 | 2 | 0.01 | 1 | 0.04 | +http://duckduckgo.com |
| 16 | 2 | 0.01 | 2 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 17 | 2 | 0.01 | 2 | 0.07 | ) - BrowseX (2.0.0 Windows |
