| Used Operating Systems |
| 1 | 1972 | 19.44 | 1868 | 47.85 | +http://www.baidu.com/search/spider.html |
| 2 | 1482 | 14.61 | 404 | 10.35 | +http://www.bing.com/bingbot.htm |
| 3 | 1108 | 10.92 | 446 | 11.42 | Windows NT |
| 4 | 749 | 7.38 | 3 | 0.08 | Windows Phone OS 7.5 |
| 5 | 699 | 6.89 | 8 | 0.20 | +http://OpenLinkProfiler.org/bot |
| 6 | 510 | 5.03 | 270 | 6.92 | +http://www.google.com/bot.html |
| 7 | 453 | 4.46 | 2 | 0.05 | +http://megaindex.com/crawler |
| 8 | 408 | 4.02 | 110 | 2.82 | +http://www.semrush.com/bot.html |
| 9 | 373 | 3.68 | 125 | 3.20 | +http://ahrefs.com/robot/ |
| 10 | 338 | 3.33 | 140 | 3.59 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 288 | 2.84 | 135 | 3.46 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 237 | 2.34 | 1 | 0.03 | +http://webmeup-crawler.com/ |
| 13 | 233 | 2.30 | 2 | 0.05 | +http://www.warebay.com/bot.html |
| 14 | 229 | 2.26 | 1 | 0.03 | +http://www.seokicks.de/robot.html |
| 15 | 222 | 2.19 | 7 | 0.18 | +http://fulltext.sblog.cz/ |
| 16 | 185 | 1.82 | 38 | 0.97 | http://www.majestic12.co.uk/bot.php?+ |
| 17 | 180 | 1.77 | 75 | 1.92 | http://www.opensiteexplorer.org/dotbot, ... |
| 18 | 116 | 1.14 | 96 | 2.46 | +http://www.xovibot.net/ |
| 19 | 103 | 1.02 | 51 | 1.31 | +http://www.linkdex.com/bots/ |
| 20 | 53 | 0.52 | 19 | 0.49 | +http://yandex.com/bots |
| 21 | 29 | 0.29 | 12 | 0.31 | Windows 95 |
| 22 | 22 | 0.22 | 22 | 0.56 | +http://monasterytea.spbdyet.ru |
| 23 | 22 | 0.22 | 22 | 0.56 | +http://warifort.moykrest.ru/ |
| 24 | 20 | 0.20 | 8 | 0.20 | Windows 98 |
| 25 | 20 | 0.20 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 26 | 12 | 0.12 | 1 | 0.03 | +https://www.lipperhey.com/en/about/ |
| 27 | 10 | 0.10 | 5 | 0.13 | +http://www.meanpath.com/meanpathbot.htm... |
| 28 | 8 | 0.08 | 3 | 0.08 | Windows 2000 |
| 29 | 7 | 0.07 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 30 | 6 | 0.06 | 2 | 0.05 | Windows 3.1 |
| 31 | 6 | 0.06 | 2 | 0.05 | ) - BrowseX (2.0.0 Windows |
| 32 | 6 | 0.06 | 3 | 0.08 | +http://duckduckgo.com |
| 33 | 5 | 0.05 | 2 | 0.05 | Windows XP |
| 34 | 5 | 0.05 | 2 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 35 | 5 | 0.05 | 5 | 0.13 | +http://domainsigma.com/robot |
| 36 | 3 | 0.03 | 3 | 0.08 | Windows 2004 |
| 37 | 3 | 0.03 | 1 | 0.03 | Windows ME |
| 38 | 3 | 0.03 | 2 | 0.05 | +info@netcraft.com |
| 39 | 2 | 0.02 | 1 | 0.03 | Windows CE |
| 40 | 2 | 0.02 | 1 | 0.03 | Auto; Windows |
| 41 | 2 | 0.02 | 0 | 0.00 | Android |
| 42 | 2 | 0.02 | 2 | 0.05 | +https://gimmeusa.com/pages/crawler |
| 43 | 2 | 0.02 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 44 | 1 | 0.01 | 0 | 0.00 | +http://www.seograph.net/bot.html |
| 45 | 1 | 0.01 | 1 | 0.03 | Windows 2006 |
| 46 | 1 | 0.01 | 1 | 0.03 | Linux [unknown version] |
| 47 | 1 | 0.01 | 1 | 0.03 | Windows 2005 |
| 48 | 1 | 0.01 | 0 | 0.00 | +http://siteexplorer.info/ |
| 49 | 1 | 0.01 | 1 | 0.03 | Linux i686 [unknown version] |
