| Used Operating Systems |
| 1 | 31193 | 50.44 | 301 | 3.81 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 7558 | 12.22 | 365 | 4.62 | Windows NT |
| 3 | 6724 | 10.87 | 4603 | 58.22 | +http://ahrefs.com/robot/ |
| 4 | 5018 | 8.11 | 3 | 0.04 | +http://webmeup-crawler.com/ |
| 5 | 3793 | 6.13 | 4 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 6 | 2155 | 3.48 | 1547 | 19.57 | +http://www.baidu.com/search/spider.html |
| 7 | 1466 | 2.37 | 219 | 2.77 | +http://yandex.com/bots |
| 8 | 1298 | 2.10 | 56 | 0.71 | +http://napoveda.seznam.cz/en/seznambot-... |
| 9 | 729 | 1.18 | 83 | 1.05 | +http://www.bing.com/bingbot.htm |
| 10 | 573 | 0.93 | 126 | 1.59 | +http://www.google.com/bot.html |
| 11 | 411 | 0.66 | 286 | 3.62 | +http://www.xovibot.net/ |
| 12 | 298 | 0.48 | 99 | 1.25 | +http://www.semrush.com/bot.html |
| 13 | 218 | 0.35 | 67 | 0.85 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 130 | 0.21 | 44 | 0.56 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 80 | 0.13 | 24 | 0.30 | +http://www.linkdex.com/bots/ |
| 16 | 29 | 0.05 | 12 | 0.15 | +http://www.exabot.com/go/robot |
| 17 | 27 | 0.04 | 3 | 0.04 | +http://www.seokicks.de/robot.html |
| 18 | 26 | 0.04 | 2 | 0.03 | +https://www.dataprovider.com/ |
| 19 | 23 | 0.04 | 14 | 0.18 | Windows 95 |
| 20 | 16 | 0.03 | 10 | 0.13 | Windows 98 |
| 21 | 12 | 0.02 | 7 | 0.09 | Windows ME |
| 22 | 12 | 0.02 | 2 | 0.03 | +spider@seoscanners.net |
| 23 | 9 | 0.01 | 5 | 0.06 | Windows 2000 |
| 24 | 8 | 0.01 | 2 | 0.03 | Windows 3.1 |
| 25 | 6 | 0.01 | 6 | 0.08 | +http://sur.ly/bot.html |
| 26 | 5 | 0.01 | 3 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 27 | 4 | 0.01 | 1 | 0.01 | Windows CE |
| 28 | 4 | 0.01 | 0 | 0.00 | +http://siteexplorer.info/ |
| 29 | 3 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 30 | 3 | 0.00 | 3 | 0.04 | Windows XP |
| 31 | 2 | 0.00 | 2 | 0.03 | +info@netcraft.com |
| 32 | 2 | 0.00 | 2 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 33 | 2 | 0.00 | 2 | 0.03 | X11 |
| 34 | 2 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 35 | 1 | 0.00 | 1 | 0.01 | Auto; Windows |
| 36 | 1 | 0.00 | 0 | 0.00 | Linux i686 [unknown version] |
| 37 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 38 | 1 | 0.00 | 1 | 0.01 | +http://www.uptime.com/uptimebot |
