| Used Operating Systems by Visits |
| 1 | 176961 | 75.85 | 7177 | 52.69 | Windows NT |
| 2 | 3579 | 1.53 | 2909 | 21.36 | +http://www.baidu.com/search/spider.html |
| 3 | 4266 | 1.83 | 1496 | 10.98 | +http://www.bing.com/bingbot.htm |
| 4 | 8443 | 3.62 | 987 | 7.25 | +http://www.google.com/bot.html |
| 5 | 1058 | 0.45 | 158 | 1.16 | help@moz.com |
| 6 | 11791 | 5.05 | 154 | 1.13 | +http://yandex.com/bots |
| 7 | 330 | 0.14 | 138 | 1.01 | MSIE 5.5; Windows 95 |
| 8 | 5240 | 2.25 | 134 | 0.98 | http://www.majestic12.co.uk/bot.php?+ |
| 9 | 1117 | 0.48 | 126 | 0.93 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 638 | 0.27 | 82 | 0.60 | +http://www.easou.com/search/spider.html |
| 11 | 491 | 0.21 | 70 | 0.51 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 175 | 0.08 | 43 | 0.32 | +http://www.exabot.com/go/robot |
| 13 | 35 | 0.02 | 19 | 0.14 | Windows 95 |
| 14 | 137 | 0.06 | 17 | 0.12 | X11 |
| 15 | 11916 | 5.11 | 13 | 0.10 | +http://webmeup-crawler.com/ |
| 16 | 593 | 0.25 | 12 | 0.09 | Windows 98 |
| 17 | 75 | 0.03 | 11 | 0.08 | Android 2.3.5 |
| 18 | 20 | 0.01 | 9 | 0.07 | +http://www.grapeshot.co.uk/crawler.php |
| 19 | 21 | 0.01 | 8 | 0.06 | +http://www.proximic.com/info/spider.php |
| 20 | 1497 | 0.64 | 7 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 21 | 12 | 0.01 | 6 | 0.04 | Linux [unknown version] |
| 22 | 11 | 0.00 | 5 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 23 | 14 | 0.01 | 5 | 0.04 | +http://www.meanpath.com/meanpathbot.htm... |
| 24 | 2139 | 0.92 | 4 | 0.03 | http://crawler.sistrix.net/ |
| 25 | 177 | 0.08 | 4 | 0.03 | Intel Mac OS X 10.6 |
| 26 | 4 | 0.00 | 3 | 0.02 | Windows CE |
| 27 | 2 | 0.00 | 2 | 0.01 | Windows 2000 |
| 28 | 2 | 0.00 | 2 | 0.01 | Windows ME |
| 29 | 3 | 0.00 | 2 | 0.01 | Windows 3.1 |
| 30 | 2 | 0.00 | 2 | 0.01 | MSIE 5.5; Windows NT 5.0 |
| 31 | 2 | 0.00 | 2 | 0.01 | Linux i686 [unknown version] |
| 32 | 43 | 0.02 | 2 | 0.01 | AOL 9.7; AOLBuild 4343.55; Windows NT 6.... |
| 33 | 15 | 0.01 | 2 | 0.01 | +http://siteexplorer.info/ |
| 34 | 2 | 0.00 | 1 | 0.01 | +http://www.netseer.com/crawler.html; cr... |
| 35 | 5 | 0.00 | 1 | 0.01 | Wayback Machine Live Record; +http://arc... |
| 36 | 1 | 0.00 | 1 | 0.01 | +http://www.yesup.net/bot.html |
| 37 | 1636 | 0.70 | 1 | 0.01 | +http://www.linkpad.ru |
| 38 | 1 | 0.00 | 1 | 0.01 | +http://tweetmeme.com/ |
| 39 | 5 | 0.00 | 1 | 0.01 | Windows XP |
| 40 | 59 | 0.03 | 1 | 0.01 | Windows 99 |
| 41 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 42 | 751 | 0.32 | 1 | 0.01 | +http://www.seoprofiler.com/bot |
| 43 | 3 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 44 | 12 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 45 | 1 | 0.00 | 0 | 0.00 | Win32 |
| 46 | 2 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 47 | 4 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 48 | 4 | 0.00 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 49 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
