| Used Operating Systems |
| 1 | 32010 | 35.69 | 6188 | 37.72 | Windows NT |
| 2 | 19188 | 21.40 | 219 | 1.34 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 19014 | 21.20 | 8344 | 50.87 | +http://www.baidu.com/search/spider.html |
| 4 | 8369 | 9.33 | 353 | 2.15 | +http://www.bing.com/bingbot.htm |
| 5 | 2185 | 2.44 | 226 | 1.38 | +http://www.google.com/bot.html |
| 6 | 1110 | 1.24 | 6 | 0.04 | +http://megaindex.com/crawler |
| 7 | 968 | 1.08 | 30 | 0.18 | Windows 98 |
| 8 | 839 | 0.94 | 26 | 0.16 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 760 | 0.85 | 7 | 0.04 | +http://yandex.com/bots |
| 10 | 420 | 0.47 | 112 | 0.68 | +http://www.linkdex.com/bots/ |
| 11 | 392 | 0.44 | 2 | 0.01 | http://www.bing.com/bingbot.htm |
| 12 | 373 | 0.42 | 5 | 0.03 | +http://fulltext.sblog.cz/ |
| 13 | 324 | 0.36 | 29 | 0.18 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 309 | 0.34 | 309 | 1.88 | +http://monasterytea.spbdyet.ru |
| 15 | 305 | 0.34 | 9 | 0.05 | Linux i686 [unknown version] |
| 16 | 252 | 0.28 | 8 | 0.05 | +http://ahrefs.com/robot/ |
| 17 | 246 | 0.27 | 15 | 0.09 | +http://www.semrush.com/bot.html |
| 18 | 244 | 0.27 | 3 | 0.02 | Android |
| 19 | 237 | 0.26 | 58 | 0.35 | http://www.opensiteexplorer.org/dotbot, ... |
| 20 | 199 | 0.22 | 1 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 21 | 183 | 0.20 | 105 | 0.64 | Windows 95 |
| 22 | 180 | 0.20 | 2 | 0.01 | +http://webmeup-crawler.com/ |
| 23 | 145 | 0.16 | 5 | 0.03 | http://www.searchmetrics.com/en/searchme... |
| 24 | 109 | 0.12 | 5 | 0.03 | Linux [unknown version] |
| 25 | 106 | 0.12 | 1 | 0.01 | +https://www.aihitdata.com/about |
| 26 | 105 | 0.12 | 1 | 0.01 | Linux i586 [unknown version] |
| 27 | 102 | 0.11 | 1 | 0.01 | +http://www.similartech.com/smtbot |
| 28 | 74 | 0.08 | 6 | 0.04 | J2ME/MIDP |
| 29 | 74 | 0.08 | 73 | 0.45 | +http://warifort.moykrest.ru/ |
| 30 | 73 | 0.08 | 9 | 0.05 | +http://www.exabot.com/go/robot |
| 31 | 72 | 0.08 | 3 | 0.02 | +https://www.google.com/bot.html |
| 32 | 66 | 0.07 | 32 | 0.20 | +http://duckduckgo.com |
| 33 | 60 | 0.07 | 0 | 0.00 | +http://www.seograph.net/bot.html |
| 34 | 57 | 0.06 | 0 | 0.00 | PPC Mac OS X 10.4 |
| 35 | 54 | 0.06 | 2 | 0.01 | Windows XP |
| 36 | 48 | 0.05 | 0 | 0.00 | Intel Mac OS X 10.5 |
| 37 | 40 | 0.04 | 29 | 0.18 | Windows CE |
| 38 | 33 | 0.04 | 23 | 0.14 | Windows 3.1 |
| 39 | 32 | 0.04 | 1 | 0.01 | X11 |
| 40 | 31 | 0.03 | 23 | 0.14 | ) - BrowseX (2.0.0 Windows |
| 41 | 27 | 0.03 | 19 | 0.12 | Auto; Windows |
| 42 | 26 | 0.03 | 20 | 0.12 | Windows 2000 |
| 43 | 22 | 0.02 | 0 | 0.00 | Android 2.3.5 |
| 44 | 21 | 0.02 | 17 | 0.10 | Windows ME |
| 45 | 20 | 0.02 | 7 | 0.04 | +http://help.coccoc.com/ |
| 46 | 20 | 0.02 | 1 | 0.01 | +http://www.xovibot.net/ |
| 47 | 18 | 0.02 | 15 | 0.09 | MSIE 5.5; Windows NT 5.0 |
| 48 | 16 | 0.02 | 8 | 0.05 | iOS |
| 49 | 14 | 0.02 | 13 | 0.08 | MSIE 5.5; Windows NT 4.0 |
| 50 | 13 | 0.01 | 1 | 0.01 | +https://www.lipperhey.com/en/about/ |
| 51 | 12 | 0.01 | 2 | 0.01 | Intel Mac OS X 10.6 |
| 52 | 12 | 0.01 | 4 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 53 | 11 | 0.01 | 1 | 0.01 | crawler@mixrank.com |
| 54 | 11 | 0.01 | 9 | 0.05 | +info@netcraft.com |
| 55 | 8 | 0.01 | 2 | 0.01 | WinHttp.WinHttpRequest.5 |
| 56 | 5 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 57 | 4 | 0.00 | 1 | 0.01 | +http://www.netseer.com/crawler.html; cr... |
| 58 | 4 | 0.00 | 2 | 0.01 | https://help.yahoo.com/kb/mail/yahoo-lin... |
| 59 | 4 | 0.00 | 1 | 0.01 | +http://www.idmarch.org/bot.html |
| 60 | 4 | 0.00 | 4 | 0.02 | +http://domainsigma.com/robot |
| 61 | 3 | 0.00 | 1 | 0.01 | +http://glutenfreepleasure.com/ |
| 62 | 2 | 0.00 | 1 | 0.01 | Win32 |
| 63 | 2 | 0.00 | 2 | 0.01 | mailto: crawling@ubermetrics-technologie... |
| 64 | 2 | 0.00 | 0 | 0.00 | +http://www.openhose.org/bot.html |
| 65 | 2 | 0.00 | 1 | 0.01 | +http://crawler.seolytics.net/ |
| 66 | 2 | 0.00 | 1 | 0.01 | Macintosh |
| 67 | 2 | 0.00 | 0 | 0.00 | Linux 2.6.x |
| 68 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.4 |
| 69 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.8 |
