| Used Operating Systems |
| 1 | 13957 | 15.75 | 131 | 1.14 | +http://www.semrush.com/bot.html |
| 2 | 11566 | 13.05 | 639 | 5.54 | +http://www.bing.com/bingbot.htm |
| 3 | 11067 | 12.49 | 2796 | 24.23 | +http://ahrefs.com/robot/ |
| 4 | 9695 | 10.94 | 1 | 0.01 | +http://megaindex.com/crawler |
| 5 | 9324 | 10.52 | 2552 | 22.12 | Windows NT |
| 6 | 8308 | 9.37 | 164 | 1.42 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 5345 | 6.03 | 225 | 1.95 | +http://yandex.com/bots |
| 8 | 4567 | 5.15 | 635 | 5.50 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 4023 | 4.54 | 559 | 4.84 | http://www.opensiteexplorer.org/dotbot, ... |
| 10 | 2628 | 2.97 | 2378 | 20.61 | +http://www.baidu.com/search/spider.html |
| 11 | 2482 | 2.80 | 3 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 12 | 2117 | 2.39 | 15 | 0.13 | +http://napoveda.seznam.cz/en/seznambot-... |
| 13 | 1519 | 1.71 | 818 | 7.09 | +http://www.google.com/bot.html |
| 14 | 477 | 0.54 | 6 | 0.05 | +http://siteexplorer.info/ |
| 15 | 371 | 0.42 | 95 | 0.82 | +http://www.linkdex.com/bots/ |
| 16 | 311 | 0.35 | 159 | 1.38 | +http://www.xovibot.net/ |
| 17 | 194 | 0.22 | 63 | 0.55 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 18 | 85 | 0.10 | 33 | 0.29 | Windows XP |
| 19 | 84 | 0.09 | 42 | 0.36 | +http://duckduckgo.com |
| 20 | 78 | 0.09 | 43 | 0.37 | Windows 95 |
| 21 | 60 | 0.07 | 35 | 0.30 | Windows 98 |
| 22 | 33 | 0.04 | 19 | 0.16 | Auto; Windows |
| 23 | 29 | 0.03 | 15 | 0.13 | Windows ME |
| 24 | 28 | 0.03 | 15 | 0.13 | MSIE 5.5; Windows NT 5.0 |
| 25 | 25 | 0.03 | 3 | 0.03 | +http://www.seokicks.de/robot.html |
| 26 | 25 | 0.03 | 16 | 0.14 | MSIE 5.5; Windows NT 4.0 |
| 27 | 21 | 0.02 | 11 | 0.10 | Windows 2000 |
| 28 | 20 | 0.02 | 14 | 0.12 | Windows 3.1 |
| 29 | 19 | 0.02 | 4 | 0.03 | X11 |
| 30 | 17 | 0.02 | 8 | 0.07 | +http://www.exabot.com/go/robot |
| 31 | 16 | 0.02 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 32 | 16 | 0.02 | 4 | 0.03 | +http://www.profound.net/domainappender |
| 33 | 14 | 0.02 | 9 | 0.08 | Windows CE |
| 34 | 14 | 0.02 | 2 | 0.02 | http://filterdb.iss.net/crawler/ |
| 35 | 12 | 0.01 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 36 | 11 | 0.01 | 0 | 0.00 | +http://help.naver.com/support/robots.ht... |
| 37 | 11 | 0.01 | 4 | 0.03 | +http://help.coccoc.com/searchengine |
| 38 | 9 | 0.01 | 1 | 0.01 | Android 2.3.5 |
| 39 | 7 | 0.01 | 5 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 40 | 6 | 0.01 | 2 | 0.02 | +http://www.alexa.com/help/webmasters; |
| 41 | 5 | 0.01 | 3 | 0.03 | +http://www.grapeshot.co.uk/crawler.php |
| 42 | 4 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 43 | 4 | 0.00 | 1 | 0.01 | PPC Mac OS X 10.5 |
| 44 | 3 | 0.00 | 0 | 0.00 | Linux i686 [unknown version] |
| 45 | 2 | 0.00 | 1 | 0.01 | support.orangebot@orange.com |
| 46 | 2 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 47 | 2 | 0.00 | 1 | 0.01 | Android |
| 48 | 2 | 0.00 | 1 | 0.01 | +spider@seoscanners.net |
| 49 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 50 | 2 | 0.00 | 1 | 0.01 | +http://www.uptime.com/uptimebot |
| 51 | 2 | 0.00 | 0 | 0.00 | +http://corp.sputnik.ru/webmaster |
| 52 | 2 | 0.00 | 1 | 0.01 | +http://domainsigma.com/robot |
| 53 | 1 | 0.00 | 1 | 0.01 | +http://glutenfreepleasure.com/ |
| 54 | 1 | 0.00 | 0 | 0.00 | +http://www.proximic.com/info/spider.php |
| 55 | 1 | 0.00 | 1 | 0.01 | Windows Phone OS 7.5 |
| 56 | 1 | 0.00 | 0 | 0.00 | +http://www.domainoptima.com/robot |
| 57 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 58 | 1 | 0.00 | 0 | 0.00 | Android 4.1 |
