| Used Operating Systems |
| 1 | 23575 | 48.39 | 284 | 2.37 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 8570 | 17.59 | 4869 | 40.57 | +http://www.baidu.com/search/spider.html |
| 3 | 6506 | 13.36 | 4349 | 36.24 | +http://ahrefs.com/robot/ |
| 4 | 3062 | 6.29 | 1022 | 8.52 | Windows NT |
| 5 | 2874 | 5.90 | 149 | 1.24 | +http://yandex.com/bots |
| 6 | 1157 | 2.38 | 329 | 2.74 | +http://www.bing.com/bingbot.htm |
| 7 | 709 | 1.46 | 67 | 0.56 | +http://www.semrush.com/bot.html |
| 8 | 631 | 1.30 | 276 | 2.30 | +http://www.google.com/bot.html |
| 9 | 485 | 1.00 | 119 | 0.99 | +http://www.linkdex.com/bots/ |
| 10 | 278 | 0.57 | 129 | 1.07 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 107 | 0.22 | 23 | 0.19 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 94 | 0.19 | 34 | 0.28 | +http://napoveda.seznam.cz/en/seznambot-... |
| 13 | 92 | 0.19 | 82 | 0.68 | Windows 95 |
| 14 | 77 | 0.16 | 53 | 0.44 | +http://www.xovibot.net/ |
| 15 | 72 | 0.15 | 47 | 0.39 | Windows 98 |
| 16 | 68 | 0.14 | 4 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 17 | 36 | 0.07 | 16 | 0.13 | Windows XP |
| 18 | 36 | 0.07 | 2 | 0.02 | Linux i686 [unknown version] |
| 19 | 36 | 0.07 | 4 | 0.03 | +http://www.seokicks.de/robot.html |
| 20 | 26 | 0.05 | 11 | 0.09 | +http://www.exabot.com/go/robot |
| 21 | 22 | 0.05 | 21 | 0.17 | Windows ME |
| 22 | 22 | 0.05 | 19 | 0.16 | MSIE 5.5; Windows NT 5.0 |
| 23 | 19 | 0.04 | 19 | 0.16 | Windows CE |
| 24 | 16 | 0.03 | 1 | 0.01 | +http://megaindex.com/crawler |
| 25 | 13 | 0.03 | 11 | 0.09 | Windows 3.1 |
| 26 | 13 | 0.03 | 13 | 0.11 | ) - BrowseX (2.0.0 Windows |
| 27 | 13 | 0.03 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 28 | 13 | 0.03 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 29 | 12 | 0.02 | 12 | 0.10 | Windows 2000 |
| 30 | 10 | 0.02 | 1 | 0.01 | crawler@mixrank.com |
| 31 | 10 | 0.02 | 5 | 0.04 | +http://duckduckgo.com |
| 32 | 9 | 0.02 | 9 | 0.07 | Auto; Windows |
| 33 | 9 | 0.02 | 9 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 34 | 6 | 0.01 | 1 | 0.01 | http://www.opensiteexplorer.org/dotbot, ... |
| 35 | 6 | 0.01 | 2 | 0.02 | +http://siteexplorer.info/ |
| 36 | 4 | 0.01 | 1 | 0.01 | +https://www.mojeek.com/bot.html |
| 37 | 4 | 0.01 | 1 | 0.01 | +http://www.uptime.com/uptimebot |
| 38 | 4 | 0.01 | 1 | 0.01 | https://help.yahoo.com/kb/mail/yahoo-lin... |
| 39 | 3 | 0.01 | 2 | 0.02 | +http://sur.ly/bot.html |
| 40 | 2 | 0.00 | 0 | 0.00 | Windows 92 |
| 41 | 2 | 0.00 | 0 | 0.00 | AOL 9.7; AOLBuild 4346.13; Windows NT 6.... |
| 42 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 43 | 2 | 0.00 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 44 | 2 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 45 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 46 | 1 | 0.00 | 0 | 0.00 | AOL 9.7; AOLBuild 4346.2023; Windows NT ... |
| 47 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 48 | 1 | 0.00 | 0 | 0.00 | AOL 9.7; AOLBuild 4346.2022; Windows NT ... |
| 49 | 1 | 0.00 | 0 | 0.00 | AOL 9.7; AOLBuild 4346.2019; Windows NT ... |
