| Used Operating Systems |
| 1 | 13643 | 21.85 | 645 | 6.88 | +http://www.bing.com/bingbot.htm |
| 2 | 8803 | 14.10 | 1708 | 18.22 | Windows NT |
| 3 | 8103 | 12.98 | 107 | 1.14 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 7259 | 11.62 | 1623 | 17.32 | +http://ahrefs.com/robot/ |
| 5 | 6679 | 10.70 | 1 | 0.01 | +http://megaindex.com/crawler |
| 6 | 3735 | 5.98 | 15 | 0.16 | Windows XP |
| 7 | 3448 | 5.52 | 3127 | 33.37 | +http://www.baidu.com/search/spider.html |
| 8 | 2279 | 3.65 | 3 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 9 | 2029 | 3.25 | 825 | 8.80 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 1430 | 2.29 | 187 | 2.00 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 1034 | 1.66 | 560 | 5.98 | +http://www.google.com/bot.html |
| 12 | 872 | 1.40 | 87 | 0.93 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 625 | 1.00 | 206 | 2.20 | +http://yandex.com/bots |
| 14 | 575 | 0.92 | 8 | 0.09 | +http://webmeup-crawler.com/ |
| 15 | 512 | 0.82 | 4 | 0.04 | +http://www.warebay.com/bot.html |
| 16 | 388 | 0.62 | 1 | 0.01 | +http://www.seokicks.de/robot.html |
| 17 | 266 | 0.43 | 72 | 0.77 | +http://www.linkdex.com/bots/ |
| 18 | 196 | 0.31 | 51 | 0.54 | +http://www.exabot.com/go/robot |
| 19 | 138 | 0.22 | 0 | 0.00 | +http://fulltext.sblog.cz/ |
| 20 | 69 | 0.11 | 1 | 0.01 | Linux [unknown version] |
| 21 | 64 | 0.10 | 16 | 0.17 | +http://www.profound.net/domainappender |
| 22 | 54 | 0.09 | 26 | 0.28 | +http://duckduckgo.com |
| 23 | 30 | 0.05 | 28 | 0.30 | +http://www.uptime.com/uptimebot |
| 24 | 26 | 0.04 | 10 | 0.11 | +http://help.coccoc.com/ |
| 25 | 21 | 0.03 | 6 | 0.06 | Windows 95 |
| 26 | 21 | 0.03 | 6 | 0.06 | Windows 98 |
| 27 | 18 | 0.03 | 5 | 0.05 | Windows 2000 |
| 28 | 16 | 0.03 | 16 | 0.17 | +http://www.xovibot.net/ |
| 29 | 14 | 0.02 | 2 | 0.02 | http://filterdb.iss.net/crawler/ |
| 30 | 12 | 0.02 | 3 | 0.03 | X11 |
| 31 | 10 | 0.02 | 0 | 0.00 | +http://help.naver.com/robots/ |
| 32 | 7 | 0.01 | 1 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 33 | 7 | 0.01 | 1 | 0.01 | Intel Mac OS X 10.6 |
| 34 | 6 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 35 | 6 | 0.01 | 5 | 0.05 | +http://ruki.rezko.net |
| 36 | 5 | 0.01 | 1 | 0.01 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 37 | 4 | 0.01 | 2 | 0.02 | Auto; Windows |
| 38 | 4 | 0.01 | 1 | 0.01 | Android 2.3.5 |
| 39 | 3 | 0.00 | 1 | 0.01 | J2ME/MIDP |
| 40 | 3 | 0.00 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 41 | 3 | 0.00 | 2 | 0.02 | http://nmap.org/book/nse.html |
| 42 | 3 | 0.00 | 1 | 0.01 | +http://prlog.ru/ |
| 43 | 2 | 0.00 | 0 | 0.00 | documents; +http://docs.google.com |
| 44 | 2 | 0.00 | 2 | 0.02 | +http://glutenfreepleasure.com/ |
| 45 | 2 | 0.00 | 0 | 0.00 | +https://www.mojeek.com/bot.html |
| 46 | 2 | 0.00 | 1 | 0.01 | Windows ME |
| 47 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 48 | 2 | 0.00 | 0 | 0.00 | +http://corp.sputnik.ru/webmaster |
| 49 | 2 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 50 | 2 | 0.00 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 51 | 1 | 0.00 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 52 | 1 | 0.00 | 0 | 0.00 | Series 60 |
| 53 | 1 | 0.00 | 0 | 0.00 | Android |
| 54 | 1 | 0.00 | 0 | 0.00 | Linux i686 [unknown version] |
| 55 | 1 | 0.00 | 1 | 0.01 | X11; Linux i686; en |
| 56 | 1 | 0.00 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 57 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 58 | 1 | 0.00 | 0 | 0.00 | Windows 90 |
| 59 | 1 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
