| Used Operating Systems |
| 1 | 24027 | 41.97 | 320 | 2.77 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 12023 | 21.00 | 684 | 5.91 | Windows NT |
| 3 | 8775 | 15.33 | 4968 | 42.94 | +http://www.baidu.com/search/spider.html |
| 4 | 6011 | 10.50 | 4052 | 35.02 | +http://ahrefs.com/robot/ |
| 5 | 2269 | 3.96 | 216 | 1.87 | +http://yandex.com/bots |
| 6 | 1337 | 2.34 | 356 | 3.08 | +http://www.bing.com/bingbot.htm |
| 7 | 887 | 1.55 | 404 | 3.49 | +http://www.google.com/bot.html |
| 8 | 461 | 0.81 | 183 | 1.58 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 452 | 0.79 | 118 | 1.02 | +http://www.linkdex.com/bots/ |
| 10 | 320 | 0.56 | 42 | 0.36 | +http://www.semrush.com/bot.html |
| 11 | 76 | 0.13 | 2 | 0.02 | +http://www.linkpad.ru |
| 12 | 70 | 0.12 | 18 | 0.16 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 64 | 0.11 | 33 | 0.29 | Windows 95 |
| 14 | 63 | 0.11 | 60 | 0.52 | +http://www.xovibot.net/ |
| 15 | 54 | 0.09 | 11 | 0.10 | +http://napoveda.seznam.cz/en/seznambot-... |
| 16 | 51 | 0.09 | 3 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 17 | 41 | 0.07 | 14 | 0.12 | Windows 98 |
| 18 | 36 | 0.06 | 4 | 0.03 | +http://www.seokicks.de/robot.html |
| 19 | 32 | 0.06 | 2 | 0.02 | +http://megaindex.com/crawler |
| 20 | 27 | 0.05 | 14 | 0.12 | Windows XP |
| 21 | 25 | 0.04 | 10 | 0.09 | +http://www.exabot.com/go/robot |
| 22 | 18 | 0.03 | 1 | 0.01 | +http://www.warebay.com/bot.html |
| 23 | 18 | 0.03 | 1 | 0.01 | Linux i686 [unknown version] |
| 24 | 17 | 0.03 | 5 | 0.04 | Windows ME |
| 25 | 16 | 0.03 | 4 | 0.03 | +http://siteexplorer.info/ |
| 26 | 13 | 0.02 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 27 | 10 | 0.02 | 4 | 0.03 | Windows CE |
| 28 | 8 | 0.01 | 8 | 0.07 | Auto; Windows |
| 29 | 8 | 0.01 | 4 | 0.03 | +http://duckduckgo.com |
| 30 | 7 | 0.01 | 7 | 0.06 | Windows 2000 |
| 31 | 6 | 0.01 | 1 | 0.01 | +http://www.profound.net/domainappender |
| 32 | 5 | 0.01 | 5 | 0.04 | Windows 3.1 |
| 33 | 5 | 0.01 | 5 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 34 | 3 | 0.01 | 3 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 35 | 2 | 0.00 | 2 | 0.02 | Windows B7 |
| 36 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 37 | 2 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 38 | 1 | 0.00 | 1 | 0.01 | Windows 46 |
| 39 | 1 | 0.00 | 1 | 0.01 | Macintosh; Intel Mac OS X 10_7_3; Triden... |
| 40 | 1 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 5.0 |
| 41 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 42 | 1 | 0.00 | 0 | 0.00 | AOL 9.7; AOLBuild 4346.2019; Windows NT ... |
