| Used Operating Systems |
| 1 | 63453 | 52.97 | 737 | 7.29 | +http://www.semrush.com/bot.html |
| 2 | 17894 | 14.94 | 242 | 2.40 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 9595 | 8.01 | 2 | 0.02 | +http://megaindex.com/crawler |
| 4 | 9289 | 7.75 | 1907 | 18.87 | Windows NT |
| 5 | 7560 | 6.31 | 3969 | 39.28 | +http://ahrefs.com/robot/ |
| 6 | 2828 | 2.36 | 345 | 3.41 | +http://yandex.com/bots |
| 7 | 2544 | 2.12 | 3 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 8 | 1950 | 1.63 | 6 | 0.06 | +http://www.warebay.com/bot.html |
| 9 | 1797 | 1.50 | 1685 | 16.68 | +http://www.baidu.com/search/spider.html |
| 10 | 928 | 0.77 | 336 | 3.33 | +http://www.bing.com/bingbot.htm |
| 11 | 766 | 0.64 | 419 | 4.15 | +http://www.google.com/bot.html |
| 12 | 252 | 0.21 | 122 | 1.21 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 218 | 0.18 | 118 | 1.17 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 151 | 0.13 | 37 | 0.37 | +http://www.linkdex.com/bots/ |
| 15 | 106 | 0.09 | 8 | 0.08 | Windows 98 |
| 16 | 73 | 0.06 | 1 | 0.01 | Linux i586 [unknown version] |
| 17 | 65 | 0.05 | 23 | 0.23 | Windows XP |
| 18 | 50 | 0.04 | 42 | 0.42 | +http://www.uptime.com/uptimebot |
| 19 | 47 | 0.04 | 22 | 0.22 | Windows 95 |
| 20 | 26 | 0.02 | 4 | 0.04 | X11 |
| 21 | 21 | 0.02 | 1 | 0.01 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 22 | 21 | 0.02 | 1 | 0.01 | +http://www.privacyaware.org |
| 23 | 17 | 0.01 | 5 | 0.05 | Windows ME |
| 24 | 15 | 0.01 | 8 | 0.08 | http://yooz.ir; info@yooz.ir |
| 25 | 15 | 0.01 | 15 | 0.15 | +http://www.xovibot.net/ |
| 26 | 13 | 0.01 | 5 | 0.05 | Android 2.3.5 |
| 27 | 13 | 0.01 | 1 | 0.01 | +https://www.lipperhey.com/en/about/ |
| 28 | 9 | 0.01 | 4 | 0.04 | Windows 2000 |
| 29 | 8 | 0.01 | 6 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 30 | 8 | 0.01 | 4 | 0.04 | +http://fulltext.sblog.cz/ |
| 31 | 7 | 0.01 | 4 | 0.04 | Windows 3.1 |
| 32 | 6 | 0.01 | 3 | 0.03 | J2ME/MIDP |
| 33 | 5 | 0.00 | 3 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 34 | 4 | 0.00 | 2 | 0.02 | +http://duckduckgo.com |
| 35 | 3 | 0.00 | 2 | 0.02 | Windows CE |
| 36 | 3 | 0.00 | 1 | 0.01 | http://crawler.007ac9.net/ |
| 37 | 2 | 0.00 | 1 | 0.01 | +https://deusu.de/robot.html |
| 38 | 2 | 0.00 | 1 | 0.01 | +http://sur.ly/bot.html |
| 39 | 2 | 0.00 | 1 | 0.01 | http://www.opensiteexplorer.org/dotbot, ... |
| 40 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 41 | 2 | 0.00 | 0 | 0.00 | +http://corp.sputnik.ru/webmaster |
| 42 | 2 | 0.00 | 2 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 43 | 2 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 44 | 1 | 0.00 | 0 | 0.00 | i686 Linux; 20020609 |
| 45 | 1 | 0.00 | 1 | 0.01 | Auto; Windows |
| 46 | 1 | 0.00 | 1 | 0.01 | Windows Phone OS 7.5 |
| 47 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 48 | 1 | 0.00 | 0 | 0.00 | Linux [unknown version] |
| 49 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 50 | 1 | 0.00 | 1 | 0.01 | Windows Phone OS 7.0; Trident/3.1; IEMob... |
| 51 | 1 | 0.00 | 0 | 0.00 | Linux 2.2.x |
| 52 | 1 | 0.00 | 0 | 0.00 | i686 Linux; 20021012 |
| 53 | 1 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
