| Used Operating Systems |
| 1 | 133933 | 74.96 | 569 | 4.25 | http://mj12bot.com/ |
| 2 | 13544 | 7.58 | 2 | 0.01 | +http://megaindex.com/crawler |
| 3 | 8695 | 4.87 | 6345 | 47.37 | +http://ahrefs.com/robot/ |
| 4 | 7122 | 3.99 | 1660 | 12.39 | Windows NT |
| 5 | 6605 | 3.70 | 3816 | 28.49 | +http://www.baidu.com/search/spider.html |
| 6 | 4126 | 2.31 | 205 | 1.53 | +http://www.semrush.com/bot.html |
| 7 | 1817 | 1.02 | 282 | 2.11 | +http://www.linkdex.com/bots/ |
| 8 | 1734 | 0.97 | 226 | 1.69 | +http://www.bing.com/bingbot.htm |
| 9 | 432 | 0.24 | 132 | 0.99 | +http://www.google.com/bot.html |
| 10 | 232 | 0.13 | 78 | 0.58 | +http://yandex.com/bots |
| 11 | 204 | 0.11 | 4 | 0.03 | http://www.opensiteexplorer.org/dotbot, ... |
| 12 | 30 | 0.02 | 6 | 0.04 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 30 | 0.02 | 3 | 0.02 | X11 |
| 14 | 20 | 0.01 | 0 | 0.00 | Android 2.3.5 |
| 15 | 20 | 0.01 | 10 | 0.07 | +http://duckduckgo.com |
| 16 | 19 | 0.01 | 5 | 0.04 | Windows 98 |
| 17 | 18 | 0.01 | 1 | 0.01 | Android |
| 18 | 18 | 0.01 | 16 | 0.12 | Windows 95 |
| 19 | 12 | 0.01 | 0 | 0.00 | +http://help.coccoc.com/searchengine |
| 20 | 8 | 0.00 | 6 | 0.04 | Windows 2000 |
| 21 | 8 | 0.00 | 4 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 22 | 6 | 0.00 | 4 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 23 | 5 | 0.00 | 3 | 0.02 | Windows 3.1 |
| 24 | 5 | 0.00 | 4 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 25 | 4 | 0.00 | 4 | 0.03 | Auto; Windows |
| 26 | 4 | 0.00 | 0 | 0.00 | +http://cliqz.com/company/cliqzbot |
| 27 | 4 | 0.00 | 0 | 0.00 | MAUI Runtime |
| 28 | 3 | 0.00 | 2 | 0.01 | Windows CE |
| 29 | 2 | 0.00 | 1 | 0.01 | +http://www.netseer.com/crawler.html; cr... |
| 30 | 2 | 0.00 | 2 | 0.01 | Windows ME |
| 31 | 2 | 0.00 | 2 | 0.01 | Windows Phone OS 7.5 |
| 32 | 2 | 0.00 | 2 | 0.01 | Linux [unknown version] |
| 33 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 34 | 2 | 0.00 | 0 | 0.00 | Linux i686 [unknown version] |
