| Used Operating Systems |
| 1 | 22954 | 40.58 | 189 | 1.58 | +http://www.semrush.com/bot.html |
| 2 | 14638 | 25.88 | 8992 | 75.01 | +http://ahrefs.com/robot/ |
| 3 | 7916 | 13.99 | 138 | 1.15 | http://mj12bot.com/ |
| 4 | 3714 | 6.57 | 332 | 2.77 | http://www.opensiteexplorer.org/dotbot, ... |
| 5 | 2226 | 3.94 | 988 | 8.24 | Windows NT |
| 6 | 1794 | 3.17 | 368 | 3.07 | +http://www.bing.com/bingbot.htm |
| 7 | 1483 | 2.62 | 557 | 4.65 | +http://www.baidu.com/search/spider.html |
| 8 | 525 | 0.93 | 190 | 1.59 | +http://www.google.com/bot.html |
| 9 | 446 | 0.79 | 41 | 0.34 | +http://www.linkdex.com/bots/ |
| 10 | 368 | 0.65 | 79 | 0.66 | +http://yandex.com/bots |
| 11 | 155 | 0.27 | 16 | 0.13 | +http://napoveda.seznam.cz/en/seznambot-... |
| 12 | 60 | 0.11 | 18 | 0.15 | Windows XP |
| 13 | 51 | 0.09 | 3 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 14 | 32 | 0.06 | 2 | 0.02 | +http://megaindex.com/crawler |
| 15 | 29 | 0.05 | 16 | 0.13 | Windows 95 |
| 16 | 25 | 0.04 | 11 | 0.09 | Windows 98 |
| 17 | 22 | 0.04 | 0 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 18 | 22 | 0.04 | 10 | 0.08 | +http://www.exabot.com/go/robot |
| 19 | 14 | 0.02 | 4 | 0.03 | Windows CE |
| 20 | 13 | 0.02 | 2 | 0.02 | +http://siteexplorer.info/Backlink-Check... |
| 21 | 11 | 0.02 | 0 | 0.00 | X11 |
| 22 | 10 | 0.02 | 5 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 23 | 9 | 0.02 | 3 | 0.03 | Auto; Windows |
| 24 | 9 | 0.02 | 5 | 0.04 | Windows ME |
| 25 | 6 | 0.01 | 2 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 26 | 5 | 0.01 | 2 | 0.02 | Windows 3.1 |
| 27 | 4 | 0.01 | 0 | 0.00 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 28 | 4 | 0.01 | 2 | 0.02 | +http://sur.ly/bot.html |
| 29 | 4 | 0.01 | 2 | 0.02 | +http://duckduckgo.com |
| 30 | 3 | 0.01 | 3 | 0.03 | Windows 2000 |
| 31 | 3 | 0.01 | 1 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 32 | 2 | 0.00 | 0 | 0.00 | Windows CE; Trident/4.1 |
| 33 | 2 | 0.00 | 1 | 0.01 | +https://www.mojeek.com/bot.html |
| 34 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 35 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 36 | 1 | 0.00 | 1 | 0.01 | +http://glutenfreepleasure.com/ |
| 37 | 1 | 0.00 | 0 | 0.00 | Windows CE; Trident/5.0 |
| 38 | 1 | 0.00 | 1 | 0.01 | WinHttp.WinHttpRequest.5 |
| 39 | 1 | 0.00 | 1 | 0.01 | +http://www.uptime.com/uptimebot |
| 40 | 1 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
