| Used Operating Systems |
| 1 | 17643 | 53.29 | 176 | 3.88 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 4253 | 12.85 | 2348 | 51.76 | +http://www.baidu.com/search/spider.html |
| 3 | 2095 | 6.33 | 506 | 11.16 | +http://www.bing.com/bingbot.htm |
| 4 | 2043 | 6.17 | 343 | 7.56 | +http://www.google.com/bot.html |
| 5 | 2014 | 6.08 | 437 | 9.63 | Windows NT |
| 6 | 891 | 2.69 | 7 | 0.15 | +http://OpenLinkProfiler.org/bot |
| 7 | 868 | 2.62 | 58 | 1.28 | +http://yandex.com/bots |
| 8 | 793 | 2.40 | 233 | 5.14 | +http://www.linkdex.com/bots/ |
| 9 | 680 | 2.05 | 2 | 0.04 | +http://www.seokicks.de/robot.html |
| 10 | 579 | 1.75 | 50 | 1.10 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 234 | 0.71 | 50 | 1.10 | +http://ahrefs.com/robot/ |
| 12 | 192 | 0.58 | 61 | 1.34 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 131 | 0.40 | 68 | 1.50 | +http://www.semrush.com/bot.html |
| 14 | 107 | 0.32 | 3 | 0.07 | +http://fulltext.sblog.cz/ |
| 15 | 98 | 0.30 | 2 | 0.04 | Intel Mac OS X 10.6 |
| 16 | 91 | 0.27 | 4 | 0.09 | Android |
| 17 | 61 | 0.18 | 61 | 1.34 | +http://monasterytea.spbdyet.ru |
| 18 | 51 | 0.15 | 9 | 0.20 | +http://www.xovibot.net/ |
| 19 | 36 | 0.11 | 12 | 0.26 | Windows 95 |
| 20 | 35 | 0.11 | 9 | 0.20 | http://www.opensiteexplorer.org/dotbot, ... |
| 21 | 25 | 0.08 | 25 | 0.55 | +http://warifort.moykrest.ru/ |
| 22 | 23 | 0.07 | 7 | 0.15 | ) - BrowseX (2.0.0 Windows |
| 23 | 22 | 0.07 | 1 | 0.02 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 24 | 20 | 0.06 | 10 | 0.22 | +http://www.exabot.com/go/robot |
| 25 | 14 | 0.04 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 26 | 10 | 0.03 | 5 | 0.11 | support.orangebot@orange.com |
| 27 | 10 | 0.03 | 5 | 0.11 | Windows 98 |
| 28 | 10 | 0.03 | 2 | 0.04 | +http://help.naver.com/robots/ |
| 29 | 8 | 0.02 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 30 | 8 | 0.02 | 4 | 0.09 | +http://www.meanpath.com/meanpathbot.htm... |
| 31 | 7 | 0.02 | 4 | 0.09 | MSIE 5.5; Windows NT 5.0 |
| 32 | 7 | 0.02 | 1 | 0.02 | http://filterdb.iss.net/crawler/ |
| 33 | 6 | 0.02 | 4 | 0.09 | Windows 3.1 |
| 34 | 6 | 0.02 | 3 | 0.07 | +http://duckduckgo.com |
| 35 | 5 | 0.02 | 3 | 0.07 | Windows ME |
| 36 | 5 | 0.02 | 2 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 37 | 5 | 0.02 | 5 | 0.11 | +http://domainsigma.com/robot |
| 38 | 3 | 0.01 | 3 | 0.07 | +http://glutenfreepleasure.com/ |
| 39 | 3 | 0.01 | 0 | 0.00 | Linux i686 [unknown version] |
| 40 | 3 | 0.01 | 2 | 0.04 | Android 2.3.5 |
| 41 | 2 | 0.01 | 1 | 0.02 | Windows 2000 |
| 42 | 2 | 0.01 | 2 | 0.04 | +https://gimmeusa.com/pages/crawler |
| 43 | 2 | 0.01 | 2 | 0.04 | Windows XP |
| 44 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 45 | 2 | 0.01 | 2 | 0.04 | +http://www.grapeshot.co.uk/crawler.php |
| 46 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 47 | 1 | 0.00 | 1 | 0.02 | +http://www.wmtips.com/tools/ |
| 48 | 1 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/ |
| 49 | 1 | 0.00 | 0 | 0.00 | X11 |
| 50 | 1 | 0.00 | 1 | 0.02 | Linux i586 [unknown version] |
