| Used Operating Systems |
| 1 | 21910 | 47.60 | 281 | 2.72 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 8060 | 17.51 | 4404 | 42.55 | +http://www.baidu.com/search/spider.html |
| 3 | 5919 | 12.86 | 3926 | 37.94 | +http://ahrefs.com/robot/ |
| 4 | 4883 | 10.61 | 515 | 4.98 | Windows NT |
| 5 | 1255 | 2.73 | 162 | 1.57 | +http://yandex.com/bots |
| 6 | 1176 | 2.55 | 291 | 2.81 | +http://www.bing.com/bingbot.htm |
| 7 | 978 | 2.12 | 414 | 4.00 | +http://www.google.com/bot.html |
| 8 | 492 | 1.07 | 45 | 0.43 | +http://www.semrush.com/bot.html |
| 9 | 354 | 0.77 | 29 | 0.28 | http://www.opensiteexplorer.org/dotbot, ... |
| 10 | 332 | 0.72 | 93 | 0.90 | +http://www.linkdex.com/bots/ |
| 11 | 98 | 0.21 | 16 | 0.15 | +http://napoveda.seznam.cz/en/seznambot-... |
| 12 | 90 | 0.20 | 25 | 0.24 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 83 | 0.18 | 27 | 0.26 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 64 | 0.14 | 4 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 15 | 54 | 0.12 | 50 | 0.48 | +http://www.xovibot.net/ |
| 16 | 34 | 0.07 | 8 | 0.08 | Windows 95 |
| 17 | 32 | 0.07 | 2 | 0.02 | +http://megaindex.com/crawler |
| 18 | 30 | 0.07 | 5 | 0.05 | +http://www.profound.net/domainappender |
| 19 | 29 | 0.06 | 9 | 0.09 | +http://www.exabot.com/go/robot |
| 20 | 27 | 0.06 | 3 | 0.03 | +http://www.seokicks.de/robot.html |
| 21 | 25 | 0.05 | 5 | 0.05 | Windows 98 |
| 22 | 23 | 0.05 | 14 | 0.14 | Windows XP |
| 23 | 14 | 0.03 | 4 | 0.04 | +http://sur.ly/bot.html |
| 24 | 13 | 0.03 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 25 | 9 | 0.02 | 2 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 26 | 8 | 0.02 | 2 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 27 | 8 | 0.02 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 28 | 5 | 0.01 | 0 | 0.00 | Linux [unknown version] |
| 29 | 4 | 0.01 | 2 | 0.02 | +http://duckduckgo.com |
| 30 | 3 | 0.01 | 2 | 0.02 | Auto; Windows |
| 31 | 3 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 32 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 33 | 2 | 0.00 | 0 | 0.00 | Linux i686 [unknown version] |
| 34 | 2 | 0.00 | 2 | 0.02 | Windows ME |
| 35 | 2 | 0.00 | 2 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 36 | 2 | 0.00 | 1 | 0.01 | X11 |
| 37 | 2 | 0.00 | 1 | 0.01 | +http://siteexplorer.info/ |
| 38 | 1 | 0.00 | 0 | 0.00 | Android |
| 39 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 40 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
