| Used Operating Systems |
| 1 | 25021 | 33.78 | 1488 | 15.19 | +http://www.bing.com/bingbot.htm |
| 2 | 11413 | 15.41 | 353 | 3.60 | +http://ahrefs.com/robot/ |
| 3 | 11037 | 14.90 | 3395 | 34.65 | Windows NT |
| 4 | 7556 | 10.20 | 76 | 0.78 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 6728 | 9.08 | 1 | 0.01 | +http://megaindex.com/crawler |
| 6 | 3005 | 4.06 | 2392 | 24.42 | +http://www.baidu.com/search/spider.html |
| 7 | 2822 | 3.81 | 899 | 9.18 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 1465 | 1.98 | 88 | 0.90 | +http://yandex.com/bots |
| 9 | 1153 | 1.56 | 635 | 6.48 | +http://www.google.com/bot.html |
| 10 | 892 | 1.20 | 37 | 0.38 | Windows XP |
| 11 | 748 | 1.01 | 1 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 12 | 716 | 0.97 | 64 | 0.65 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 448 | 0.60 | 112 | 1.14 | +http://www.profound.net/domainappender |
| 14 | 234 | 0.32 | 30 | 0.31 | +http://www.semrush.com/bot.html |
| 15 | 203 | 0.27 | 63 | 0.64 | +http://www.linkdex.com/bots/ |
| 16 | 128 | 0.17 | 3 | 0.03 | +http://fulltext.sblog.cz/ |
| 17 | 91 | 0.12 | 0 | 0.00 | +http://www.parsijoo.ir/; crawler@parsij... |
| 18 | 78 | 0.11 | 38 | 0.39 | +http://duckduckgo.com |
| 19 | 52 | 0.07 | 23 | 0.23 | +http://www.exabot.com/go/robot |
| 20 | 47 | 0.06 | 28 | 0.29 | Windows 95 |
| 21 | 44 | 0.06 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 22 | 30 | 0.04 | 13 | 0.13 | Windows 98 |
| 23 | 24 | 0.03 | 12 | 0.12 | +http://help.coccoc.com/ |
| 24 | 16 | 0.02 | 3 | 0.03 | X11 |
| 25 | 16 | 0.02 | 0 | 0.00 | +http://help.naver.com/robots/ |
| 26 | 14 | 0.02 | 2 | 0.02 | http://filterdb.iss.net/crawler/ |
| 27 | 9 | 0.01 | 1 | 0.01 | Android |
| 28 | 8 | 0.01 | 6 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 29 | 6 | 0.01 | 1 | 0.01 | Linux [unknown version] |
| 30 | 6 | 0.01 | 4 | 0.04 | Windows ME |
| 31 | 6 | 0.01 | 1 | 0.01 | Android 2.3.5 |
| 32 | 5 | 0.01 | 4 | 0.04 | Windows CE |
| 33 | 5 | 0.01 | 3 | 0.03 | Windows 2000 |
| 34 | 5 | 0.01 | 2 | 0.02 | J2ME/MIDP |
| 35 | 5 | 0.01 | 2 | 0.02 | Windows 3.1 |
| 36 | 4 | 0.01 | 3 | 0.03 | http://nmap.org/book/nse.html |
| 37 | 4 | 0.01 | 2 | 0.02 | +https://www.mojeek.com/bot.html |
| 38 | 3 | 0.00 | 0 | 0.00 | documents; +http://docs.google.com |
| 39 | 3 | 0.00 | 2 | 0.02 | +info@netcraft.com |
| 40 | 3 | 0.00 | 2 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 41 | 2 | 0.00 | 1 | 0.01 | OSF1 V4.0 alpha |
| 42 | 2 | 0.00 | 1 | 0.01 | Macintosh PPC |
| 43 | 2 | 0.00 | 0 | 0.00 | Windows 9. |
| 44 | 2 | 0.00 | 0 | 0.00 | Linux 2.0.x |
| 45 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 46 | 2 | 0.00 | 1 | 0.01 | http://www.botje.com/plukkie.htm |
| 47 | 2 | 0.00 | 2 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 48 | 2 | 0.00 | 0 | 0.00 | +http://corp.sputnik.ru/webmaster |
| 49 | 2 | 0.00 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 50 | 1 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 51 | 1 | 0.00 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 52 | 1 | 0.00 | 1 | 0.01 | Auto; Windows |
| 53 | 1 | 0.00 | 0 | 0.00 | apps-presentations; +http://docs.google.... |
| 54 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 55 | 1 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 56 | 1 | 0.00 | 0 | 0.00 | SpreadTrum |
| 57 | 1 | 0.00 | 0 | 0.00 | Linux i686 [unknown version] |
