| Used Operating Systems |
| 1 | 27312 | 39.70 | 5958 | 58.27 | Windows NT |
| 2 | 26927 | 39.14 | 265 | 2.59 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 6034 | 8.77 | 889 | 8.69 | +http://www.bing.com/bingbot.htm |
| 4 | 2222 | 3.23 | 1786 | 17.47 | +http://www.baidu.com/search/spider.html |
| 5 | 2105 | 3.06 | 138 | 1.35 | Windows 98 |
| 6 | 1238 | 1.80 | 338 | 3.31 | +http://www.google.com/bot.html |
| 7 | 367 | 0.53 | 101 | 0.99 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 324 | 0.47 | 103 | 1.01 | +http://www.linkdex.com/bots/ |
| 9 | 298 | 0.43 | 99 | 0.97 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 236 | 0.34 | 55 | 0.54 | +http://yandex.com/bots |
| 11 | 176 | 0.26 | 16 | 0.16 | +http://www.profound.net/urlappendbot.ht... |
| 12 | 139 | 0.20 | 66 | 0.65 | +http://ahrefs.com/robot/ |
| 13 | 119 | 0.17 | 3 | 0.03 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 14 | 116 | 0.17 | 28 | 0.27 | +http://www.exabot.com/go/robot |
| 15 | 115 | 0.17 | 35 | 0.34 | Windows ME |
| 16 | 110 | 0.16 | 58 | 0.57 | Windows 95 |
| 17 | 99 | 0.14 | 42 | 0.41 | +http://www.easou.com/search/spider.html |
| 18 | 99 | 0.14 | 3 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 19 | 70 | 0.10 | 2 | 0.02 | +http://endb-consolidated.aihit.com/ |
| 20 | 66 | 0.10 | 24 | 0.23 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 21 | 64 | 0.09 | 2 | 0.02 | http://crawler.sistrix.net/ |
| 22 | 54 | 0.08 | 21 | 0.21 | +http://fulltext.sblog.cz/ |
| 23 | 43 | 0.06 | 2 | 0.02 | +http://www.linkpad.ru |
| 24 | 32 | 0.05 | 8 | 0.08 | X11 |
| 25 | 29 | 0.04 | 17 | 0.17 | Linux i686 [unknown version] |
| 26 | 28 | 0.04 | 1 | 0.01 | Android |
| 27 | 28 | 0.04 | 18 | 0.18 | MSIE 5.5; Windows NT 5.0 |
| 28 | 26 | 0.04 | 13 | 0.13 | +http://www.semrush.com/bot.html |
| 29 | 24 | 0.03 | 0 | 0.00 | Windows Phone OS 7.0 |
| 30 | 20 | 0.03 | 14 | 0.14 | Linux [unknown version] |
| 31 | 19 | 0.03 | 13 | 0.13 | Windows CE |
| 32 | 19 | 0.03 | 1 | 0.01 | +http://www.seokicks.de/robot.html |
| 33 | 16 | 0.02 | 12 | 0.12 | Intel Mac OS X 10.4 |
| 34 | 15 | 0.02 | 15 | 0.15 | Windows 3.1 |
| 35 | 15 | 0.02 | 1 | 0.01 | Android 2.3.5 |
| 36 | 15 | 0.02 | 3 | 0.03 | +http://freedlf.com/ |
| 37 | 14 | 0.02 | 1 | 0.01 | J2ME/MIDP |
| 38 | 14 | 0.02 | 6 | 0.06 | +http://siteexplorer.info/ |
| 39 | 13 | 0.02 | 5 | 0.05 | Windows XP |
| 40 | 12 | 0.02 | 1 | 0.01 | BlackBerry |
| 41 | 12 | 0.02 | 4 | 0.04 | Auto; Windows |
| 42 | 12 | 0.02 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 43 | 12 | 0.02 | 8 | 0.08 | MSIE 5.5; Windows NT 4.0 |
| 44 | 9 | 0.01 | 7 | 0.07 | +http://wmaid.com/explore/ |
| 45 | 8 | 0.01 | 6 | 0.06 | Windows 2000 |
| 46 | 6 | 0.01 | 0 | 0.00 | Win32 |
| 47 | 6 | 0.01 | 6 | 0.06 | OpenBSD [unknown version] |
| 48 | 6 | 0.01 | 4 | 0.04 | +http://www.proximic.com/info/spider.php |
| 49 | 6 | 0.01 | 2 | 0.02 | +http://getdownload.ws |
| 50 | 5 | 0.01 | 5 | 0.05 | PPC Mac OS X Mach-O |
| 51 | 4 | 0.01 | 0 | 0.00 | Series 60 |
| 52 | 4 | 0.01 | 1 | 0.01 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 53 | 4 | 0.01 | 2 | 0.02 | +info@netcraft.com |
| 54 | 3 | 0.00 | 0 | 0.00 | Macintosh; Intel Mac OS X 10_7_3; Triden... |
| 55 | 3 | 0.00 | 3 | 0.03 | +http://www.loadtime.net/bot.html |
| 56 | 3 | 0.00 | 1 | 0.01 | +http://prlog.ru/ |
| 57 | 2 | 0.00 | 2 | 0.02 | PPC Mac OS X 10.4 |
| 58 | 2 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 59 | 2 | 0.00 | 1 | 0.01 | +http://www.netseer.com/crawler.html; cr... |
| 60 | 2 | 0.00 | 2 | 0.02 | FreeBSD [unknown version] |
| 61 | 2 | 0.00 | 2 | 0.02 | +http://www.faveeo.com |
| 62 | 2 | 0.00 | 0 | 0.00 | +http://webmeup-crawler.com/ |
| 63 | 2 | 0.00 | 0 | 0.00 | Macintosh |
| 64 | 2 | 0.00 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 65 | 2 | 0.00 | 1 | 0.01 | ScoutJet; +http://blekko.com/about/blekk... |
| 66 | 2 | 0.00 | 2 | 0.02 | https://help.yahoo.com/kb/mail/yahoo-lin... |
| 67 | 1 | 0.00 | 1 | 0.01 | +http://www.openindex.io/en/webmasters/s... |
| 68 | 1 | 0.00 | 1 | 0.01 | +http://136.186.231.16 |