| Used Operating Systems |
| 1 | 38941 | 82.79 | 5765 | 68.10 | Windows NT |
| 2 | 1850 | 3.93 | 1269 | 14.99 | +http://www.baidu.com/search/spider.html |
| 3 | 1331 | 2.83 | 158 | 1.87 | +http://www.google.com/bot.html |
| 4 | 1067 | 2.27 | 28 | 0.33 | +http://yandex.com/bots |
| 5 | 909 | 1.93 | 178 | 2.10 | +http://www.bing.com/bingbot.htm |
| 6 | 510 | 1.08 | 37 | 0.44 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 471 | 1.00 | 110 | 1.30 | help@moz.com |
| 8 | 389 | 0.83 | 277 | 3.27 | Windows 95 |
| 9 | 239 | 0.51 | 43 | 0.51 | Windows 98 |
| 10 | 123 | 0.26 | 40 | 0.47 | +http://www.linkdex.com/about/bots/ |
| 11 | 91 | 0.19 | 71 | 0.84 | Windows CE |
| 12 | 78 | 0.17 | 4 | 0.05 | Intel Mac OS X 10.6 |
| 13 | 74 | 0.16 | 52 | 0.61 | Windows 3.1 |
| 14 | 74 | 0.16 | 68 | 0.80 | MSIE 5.5; Windows NT 5.0 |
| 15 | 72 | 0.15 | 61 | 0.72 | MSIE 5.5; Windows NT 4.0 |
| 16 | 67 | 0.14 | 61 | 0.72 | Windows 2000 |
| 17 | 65 | 0.14 | 7 | 0.08 | X11 |
| 18 | 61 | 0.13 | 54 | 0.64 | Auto; Windows |
| 19 | 56 | 0.12 | 51 | 0.60 | ) - BrowseX (2.0.0 Windows |
| 20 | 55 | 0.12 | 4 | 0.05 | Windows XP |
| 21 | 53 | 0.11 | 41 | 0.48 | Windows ME |
| 22 | 48 | 0.10 | 9 | 0.11 | +http://siteexplorer.info/ |
| 23 | 46 | 0.10 | 1 | 0.01 | Windows Phone OS 7.5 |
| 24 | 43 | 0.09 | 6 | 0.07 | Android 2.3.5 |
| 25 | 42 | 0.09 | 0 | 0.00 | Android |
| 26 | 36 | 0.08 | 4 | 0.05 | +http://www.seoprofiler.com/bot |
| 27 | 32 | 0.07 | 11 | 0.13 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 28 | 28 | 0.06 | 1 | 0.01 | +http://endb-consolidated.aihit.com/ |
| 29 | 23 | 0.05 | 6 | 0.07 | +http://www.semrush.com/bot.html |
| 30 | 21 | 0.04 | 8 | 0.09 | +http://www.exabot.com/go/robot |
| 31 | 19 | 0.04 | 0 | 0.00 | snap; +http://support.embed.ly/ |
| 32 | 15 | 0.03 | 5 | 0.06 | +http://www.profound.net/urlappendbot.ht... |
| 33 | 14 | 0.03 | 0 | 0.00 | J2ME/MIDP |
| 34 | 12 | 0.03 | 6 | 0.07 | http://crawler.sistrix.net/ |
| 35 | 12 | 0.03 | 3 | 0.04 | +http://www.meanpath.com/meanpathbot.htm... |
| 36 | 10 | 0.02 | 0 | 0.00 | Macintosh PPC |
| 37 | 10 | 0.02 | 9 | 0.11 | +http://www.load-time.com/bot.html |
| 38 | 9 | 0.02 | 4 | 0.05 | http://help.yahoo.com/help/us/ysearch/sl... |
| 39 | 9 | 0.02 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 40 | 6 | 0.01 | 3 | 0.04 | +http://help.coccoc.com/ |
| 41 | 5 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 42 | 3 | 0.01 | 0 | 0.00 | Win32 |
| 43 | 3 | 0.01 | 3 | 0.04 | +http://tweetmeme.com/ |
| 44 | 3 | 0.01 | 0 | 0.00 | http://www.google.com/bot.html |
| 45 | 2 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 46 | 2 | 0.00 | 2 | 0.02 | +http://support.embed.ly/ |
| 47 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 48 | 2 | 0.00 | 1 | 0.01 | ScoutJet; +http://blekko.com/about/blekk... |
| 49 | 1 | 0.00 | 0 | 0.00 | http://linkfluence.net/; bot@linkfluence... |
| 50 | 1 | 0.00 | 1 | 0.01 | http://www.searchmetrics.com/en/searchme... |
| 51 | 1 | 0.00 | 1 | 0.01 | http://support.paper.li/entries/20023257... |
| 52 | 1 | 0.00 | 1 | 0.01 | mailto: crawling@ubermetrics-technologie... |
| 53 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
