| Used Operating Systems |
| 1 | 1627 | 22.18 | 249 | 8.91 | +http://www.bing.com/bingbot.htm |
| 2 | 1390 | 18.95 | 1201 | 42.97 | +http://www.baidu.com/search/spider.html |
| 3 | 1173 | 15.99 | 278 | 9.95 | Windows NT |
| 4 | 999 | 13.62 | 457 | 16.35 | +http://www.google.com/bot.html |
| 5 | 326 | 4.45 | 34 | 1.22 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 272 | 3.71 | 2 | 0.07 | +http://megaindex.com/crawler |
| 7 | 250 | 3.41 | 27 | 0.97 | +http://fulltext.sblog.cz/ |
| 8 | 207 | 2.82 | 91 | 3.26 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 135 | 1.84 | 68 | 2.43 | +http://yandex.com/bots |
| 10 | 106 | 1.45 | 29 | 1.04 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 100 | 1.36 | 40 | 1.43 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 92 | 1.25 | 2 | 0.07 | X11 |
| 13 | 86 | 1.17 | 44 | 1.57 | +http://ahrefs.com/robot/ |
| 14 | 60 | 0.82 | 53 | 1.90 | http://www.topicway.com |
| 15 | 59 | 0.80 | 53 | 1.90 | http://www.mfgpages.com |
| 16 | 55 | 0.75 | 1 | 0.04 | Android |
| 17 | 50 | 0.68 | 23 | 0.82 | +http://www.exabot.com/go/robot |
| 18 | 36 | 0.49 | 31 | 1.11 | +http://www.xovibot.net/ |
| 19 | 27 | 0.37 | 9 | 0.32 | Windows 98 |
| 20 | 24 | 0.33 | 8 | 0.29 | MSIE 5.5; Windows NT 5.0 |
| 21 | 24 | 0.33 | 11 | 0.39 | +http://www.meanpath.com/meanpathbot.htm... |
| 22 | 23 | 0.31 | 8 | 0.29 | Windows 95 |
| 23 | 22 | 0.30 | 2 | 0.07 | Intel Mac OS X 10.6 |
| 24 | 18 | 0.25 | 5 | 0.18 | Auto; Windows |
| 25 | 18 | 0.25 | 1 | 0.04 | +http://www.semrush.com/bot.html |
| 26 | 15 | 0.20 | 5 | 0.18 | +http://OpenLinkProfiler.org/bot |
| 27 | 12 | 0.16 | 3 | 0.11 | Windows 2000 |
| 28 | 10 | 0.14 | 5 | 0.18 | support.orangebot@orange.com |
| 29 | 10 | 0.14 | 2 | 0.07 | +http://webmeup-crawler.com/ |
| 30 | 10 | 0.14 | 4 | 0.14 | MSIE 5.5; Windows NT 4.0 |
| 31 | 10 | 0.14 | 10 | 0.36 | +http://domainsigma.com/robot |
| 32 | 9 | 0.12 | 3 | 0.11 | Windows CE |
| 33 | 9 | 0.12 | 3 | 0.11 | +http://www.profound.net/domainappender |
| 34 | 8 | 0.11 | 4 | 0.14 | +http://www.scoutjet.com/ |
| 35 | 8 | 0.11 | 6 | 0.21 | +info@netcraft.com |
| 36 | 8 | 0.11 | 2 | 0.07 | +https://www.lipperhey.com/en/about/ |
| 37 | 8 | 0.11 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 38 | 6 | 0.08 | 3 | 0.11 | +http://duckduckgo.com |
| 39 | 5 | 0.07 | 5 | 0.18 | Linux [unknown version] |
| 40 | 4 | 0.05 | 2 | 0.07 | +https://www.mojeek.com/bot.html |
| 41 | 4 | 0.05 | 2 | 0.07 | ScoutJet; +http://blekko.com/about/blekk... |
| 42 | 3 | 0.04 | 1 | 0.04 | Windows XP |
| 43 | 3 | 0.04 | 1 | 0.04 | Windows 3.1 |
| 44 | 2 | 0.03 | 1 | 0.04 | +http://glutenfreepleasure.com/ |
| 45 | 2 | 0.03 | 1 | 0.04 | +http://www.seograph.net/bot.html |
| 46 | 2 | 0.03 | 2 | 0.07 | Windows ME |
| 47 | 2 | 0.03 | 1 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 48 | 2 | 0.03 | 2 | 0.07 | Macintosh |
| 49 | 1 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 50 | 1 | 0.01 | 0 | 0.00 | +http://siteexplorer.info/ |
| 51 | 1 | 0.01 | 0 | 0.00 | +http://corp.sputnik.ru/webmaster |
