| Used Operating Systems |
| 1 | 71705 | 25.71 | 731 | 0.89 | +http://yandex.com/bots |
| 2 | 68005 | 24.38 | 54295 | 66.33 | +http://ahrefs.com/robot/ |
| 3 | 66846 | 23.97 | 355 | 0.43 | http://mj12bot.com/ |
| 4 | 38641 | 13.85 | 23380 | 28.56 | +http://www.baidu.com/search/spider.html |
| 5 | 12279 | 4.40 | 2 | 0.00 | +http://megaindex.com/crawler |
| 6 | 6581 | 2.36 | 801 | 0.98 | http://www.opensiteexplorer.org/dotbot, ... |
| 7 | 5849 | 2.10 | 883 | 1.08 | Windows NT |
| 8 | 3928 | 1.41 | 816 | 1.00 | +http://www.google.com/bot.html |
| 9 | 2080 | 0.75 | 3 | 0.00 | +http://OpenLinkProfiler.org/bot |
| 10 | 1371 | 0.49 | 207 | 0.25 | +http://www.linkdex.com/bots/ |
| 11 | 741 | 0.27 | 264 | 0.32 | +http://www.bing.com/bingbot.htm |
| 12 | 180 | 0.06 | 17 | 0.02 | +http://www.semrush.com/bot.html |
| 13 | 144 | 0.05 | 8 | 0.01 | Windows 95 |
| 14 | 96 | 0.03 | 3 | 0.00 | Windows 98 |
| 15 | 76 | 0.03 | 1 | 0.00 | +http://www.similartech.com/smtbot |
| 16 | 45 | 0.02 | 11 | 0.01 | http://help.yahoo.com/help/us/ysearch/sl... |
| 17 | 33 | 0.01 | 3 | 0.00 | MSIE 5.5; Windows NT 4.0 |
| 18 | 29 | 0.01 | 28 | 0.03 | +info@netcraft.com |
| 19 | 27 | 0.01 | 3 | 0.00 | Windows CE |
| 20 | 27 | 0.01 | 2 | 0.00 | Windows 3.1 |
| 21 | 23 | 0.01 | 2 | 0.00 | Windows 2000 |
| 22 | 23 | 0.01 | 0 | 0.00 | Windows XP |
| 23 | 23 | 0.01 | 1 | 0.00 | Windows ME |
| 24 | 23 | 0.01 | 11 | 0.01 | +http://www.uptime.com/uptimebot |
| 25 | 22 | 0.01 | 3 | 0.00 | MSIE 5.5; Windows NT 5.0 |
| 26 | 16 | 0.01 | 3 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 27 | 15 | 0.01 | 5 | 0.01 | +http://cs.daum.net/faq/15/4118.html?faq... |
| 28 | 13 | 0.00 | 3 | 0.00 | http://www.botje.com/plukkie.htm |
| 29 | 11 | 0.00 | 1 | 0.00 | http://www.tkl.iis.u-tokyo.ac.jp/~crawle... |
| 30 | 10 | 0.00 | 1 | 0.00 | +http://seocharger.com/robot |
| 31 | 9 | 0.00 | 5 | 0.01 | +http://sur.ly/bot.html |
| 32 | 8 | 0.00 | 2 | 0.00 | +http://www.seokicks.de/robot.html |
| 33 | 8 | 0.00 | 0 | 0.00 | http://www.majestic12.co.uk/bot.php?+ |
| 34 | 6 | 0.00 | 2 | 0.00 | +http://www.exabot.com/go/robot |
| 35 | 5 | 0.00 | 1 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 36 | 4 | 0.00 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 37 | 3 | 0.00 | 0 | 0.00 | +http://www.domainoptima.com/robot |
| 38 | 3 | 0.00 | 1 | 0.00 | +http://prlog.ru/ |
| 39 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 40 | 2 | 0.00 | 1 | 0.00 | +http://duckduckgo.com |
| 41 | 2 | 0.00 | 1 | 0.00 | +http://domainsigma.com/robot |
| 42 | 1 | 0.00 | 0 | 0.00 | http://linkfluence.net/; bot@linkfluence... |
| 43 | 1 | 0.00 | 1 | 0.00 | +http://www.google.com/bot.html,Yahoo! S... |
| 44 | 1 | 0.00 | 1 | 0.00 | http://nmap.org/book/nse.html |
| 45 | 1 | 0.00 | 1 | 0.00 | X11 |
| 46 | 1 | 0.00 | 1 | 0.00 | Linux i686 [unknown version] |
