| Used Operating Systems |
| 1 | 73603 | 66.05 | 9829 | 46.94 | Windows NT |
| 2 | 12946 | 11.62 | 8443 | 40.32 | +http://www.baidu.com/search/spider.html |
| 3 | 9741 | 8.74 | 170 | 0.81 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 4015 | 3.60 | 318 | 1.52 | +http://www.google.com/bot.html |
| 5 | 3543 | 3.18 | 169 | 0.81 | +http://www.bing.com/bingbot.htm |
| 6 | 963 | 0.86 | 636 | 3.04 | Windows 95 |
| 7 | 649 | 0.58 | 58 | 0.28 | Windows 98 |
| 8 | 508 | 0.46 | 18 | 0.09 | +http://yandex.com/bots |
| 9 | 491 | 0.44 | 19 | 0.09 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 488 | 0.44 | 1 | 0.00 | +http://fulltext.sblog.cz/ |
| 11 | 415 | 0.37 | 8 | 0.04 | +http://www.semrush.com/bot.html |
| 12 | 413 | 0.37 | 1 | 0.00 | FreeBSD [unknown version] |
| 13 | 326 | 0.29 | 89 | 0.43 | +http://www.linkdex.com/bots/ |
| 14 | 274 | 0.25 | 7 | 0.03 | +http://ahrefs.com/robot/ |
| 15 | 219 | 0.20 | 2 | 0.01 | +http://www.warebay.com/bot.html |
| 16 | 186 | 0.17 | 1 | 0.00 | +http://webmeup-crawler.com/ |
| 17 | 181 | 0.16 | 1 | 0.00 | +http://OpenLinkProfiler.org/bot |
| 18 | 177 | 0.16 | 153 | 0.73 | MSIE 5.5; Windows NT 4.0 |
| 19 | 175 | 0.16 | 135 | 0.64 | Windows ME |
| 20 | 171 | 0.15 | 123 | 0.59 | Windows 3.1 |
| 21 | 166 | 0.15 | 28 | 0.13 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 22 | 163 | 0.15 | 134 | 0.64 | Auto; Windows |
| 23 | 159 | 0.14 | 132 | 0.63 | ) - BrowseX (2.0.0 Windows |
| 24 | 157 | 0.14 | 123 | 0.59 | Windows CE |
| 25 | 155 | 0.14 | 112 | 0.53 | MSIE 5.5; Windows NT 5.0 |
| 26 | 152 | 0.14 | 3 | 0.01 | http://www.bing.com/bingbot.htm |
| 27 | 152 | 0.14 | 3 | 0.01 | Windows XP |
| 28 | 149 | 0.13 | 114 | 0.54 | Windows 2000 |
| 29 | 95 | 0.09 | 1 | 0.00 | +http://www.aihitdata.com/about |
| 30 | 74 | 0.07 | 7 | 0.03 | +http://www.findxbot.com |
| 31 | 58 | 0.05 | 0 | 0.00 | Linux i686 [unknown version] |
| 32 | 57 | 0.05 | 2 | 0.01 | http://www.searchmetrics.com/en/searchme... |
| 33 | 57 | 0.05 | 1 | 0.00 | AOL 9.7; AOLBuild 4343.55; Windows NT 6.... |
| 34 | 44 | 0.04 | 22 | 0.11 | +http://duckduckgo.com |
| 35 | 29 | 0.03 | 1 | 0.00 | +http://www.linkpad.ru |
| 36 | 29 | 0.03 | 1 | 0.00 | +http://siteexplorer.info/ |
| 37 | 24 | 0.02 | 6 | 0.03 | +http://help.naver.com/robots/ |
| 38 | 21 | 0.02 | 18 | 0.09 | +info@netcraft.com |
| 39 | 21 | 0.02 | 5 | 0.02 | +http://www.exabot.com/go/robot |
| 40 | 20 | 0.02 | 5 | 0.02 | +http://www.profound.net/domainappender |
| 41 | 19 | 0.02 | 3 | 0.01 | X11 |
| 42 | 18 | 0.02 | 1 | 0.00 | http://www.lipperhey.com/ |
| 43 | 15 | 0.01 | 1 | 0.00 | Android 2.3.5 |
| 44 | 15 | 0.01 | 5 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 45 | 14 | 0.01 | 2 | 0.01 | +http://www.proximic.com/info/spider.php |
| 46 | 12 | 0.01 | 0 | 0.00 | +http://www.easou.com/search/spider.html |
| 47 | 11 | 0.01 | 5 | 0.02 | Android |
| 48 | 10 | 0.01 | 3 | 0.01 | +http://help.coccoc.com/ |
| 49 | 6 | 0.01 | 0 | 0.00 | Linux [unknown version] |
| 50 | 5 | 0.00 | 5 | 0.02 | +http://domainsigma.com/robot |
| 51 | 4 | 0.00 | 1 | 0.00 | http://crawler.sistrix.net/ |
| 52 | 4 | 0.00 | 0 | 0.00 | Windows 9. |
| 53 | 4 | 0.00 | 2 | 0.01 | +https://www.mojeek.com/bot.html |
| 54 | 4 | 0.00 | 1 | 0.00 | +http://mediaeden.net |
| 55 | 3 | 0.00 | 0 | 0.00 | http://support.paper.li/entries/20023257... |
| 56 | 3 | 0.00 | 1 | 0.00 | +http://papijump.org |
| 57 | 2 | 0.00 | 1 | 0.00 | +http://www.netseer.com/crawler.html; cr... |
| 58 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 59 | 2 | 0.00 | 0 | 0.00 | +http://www.xovibot.net/ |
| 60 | 2 | 0.00 | 1 | 0.00 | help@moz.com |
| 61 | 2 | 0.00 | 1 | 0.00 | ScoutJet; +http://blekko.com/about/blekk... |
| 62 | 2 | 0.00 | 0 | 0.00 | https://help.yahoo.com/kb/mail/yahoo-lin... |
| 63 | 2 | 0.00 | 1 | 0.00 | +http://advbot.org/bot.html |
| 64 | 2 | 0.00 | 1 | 0.00 | +http://www.grapeshot.co.uk/crawler.php |
| 65 | 2 | 0.00 | 1 | 0.00 | Intel Mac OS X 10.6 |
| 66 | 2 | 0.00 | 2 | 0.01 | Linux i586 [unknown version] |
| 67 | 1 | 0.00 | 1 | 0.00 | support@everyonesocial.com http://everyo... |
| 68 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.4 |
