| Used Operating Systems |
| 1 | 508347 | 90.49 | 7937 | 32.51 | Windows NT |
| 2 | 20336 | 3.62 | 804 | 3.29 | +http://www.google.com/bot.html |
| 3 | 16945 | 3.02 | 13307 | 54.51 | +http://www.baidu.com/search/spider.html |
| 4 | 4268 | 0.76 | 1563 | 6.40 | +http://www.bing.com/bingbot.htm |
| 5 | 2346 | 0.42 | 23 | 0.09 | Intel Mac OS X 10.4 |
| 6 | 1813 | 0.32 | 38 | 0.16 | Intel Mac OS X 10.6 |
| 7 | 1801 | 0.32 | 279 | 1.14 | +http://yandex.com/bots |
| 8 | 943 | 0.17 | 13 | 0.05 | PPC Mac OS X 10.5 |
| 9 | 940 | 0.17 | 17 | 0.07 | Intel Mac OS X 10.5 |
| 10 | 939 | 0.17 | 183 | 0.75 | ezooms.bot@gmail.com |
| 11 | 518 | 0.09 | 27 | 0.11 | +http://ahrefs.com/robot/ |
| 12 | 322 | 0.06 | 0 | 0.00 | Win32 |
| 13 | 265 | 0.05 | 8 | 0.03 | Linux i686 [unknown version] |
| 14 | 258 | 0.05 | 5 | 0.02 | PPC Mac OS X 10.4 |
| 15 | 250 | 0.04 | 1 | 0.00 | +http://www.warebay.com/bot.html |
| 16 | 211 | 0.04 | 17 | 0.07 | http://www.majestic12.co.uk/bot.php?+ |
| 17 | 207 | 0.04 | 19 | 0.08 | Windows 98 |
| 18 | 151 | 0.03 | 2 | 0.01 | Macintosh |
| 19 | 132 | 0.02 | 1 | 0.00 | Nintendo Wii |
| 20 | 127 | 0.02 | 0 | 0.00 | http://desktop.google.com/ |
| 21 | 125 | 0.02 | 5 | 0.02 | http://crawler.sistrix.net/ |
| 22 | 103 | 0.02 | 103 | 0.42 | http://www.yodao.com/help/webmaster/spid... |
| 23 | 95 | 0.02 | 3 | 0.01 | Intel Mac OS X 10.7 |
| 24 | 76 | 0.01 | 2 | 0.01 | PPC Mac OS X Mach-O |
| 25 | 57 | 0.01 | 4 | 0.02 | Windows Phone OS 7.5 |
| 26 | 35 | 0.01 | 1 | 0.00 | +http://www.aihit.com/ |
| 27 | 31 | 0.01 | 1 | 0.00 | Windows Phone OS 7.0 |
| 28 | 23 | 0.00 | 0 | 0.00 | snap; +http://support.embed.ly/ |
| 29 | 12 | 0.00 | 8 | 0.03 | Windows 95 |
| 30 | 11 | 0.00 | 6 | 0.02 | +http://discoveryengine.com/discobot.htm... |
| 31 | 10 | 0.00 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 32 | 9 | 0.00 | 2 | 0.01 | +http://www.exabot.com/go/robot |
| 33 | 7 | 0.00 | 7 | 0.03 | +http://support.embed.ly/ |
| 34 | 5 | 0.00 | 3 | 0.01 | +http://tweetmeme.com/ |
| 35 | 4 | 0.00 | 2 | 0.01 | http://www.youdao.com/help/webmaster/spi... |
| 36 | 4 | 0.00 | 3 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 37 | 3 | 0.00 | 3 | 0.01 | Windows XP |
| 38 | 3 | 0.00 | 3 | 0.01 | Windows 3.1 |
| 39 | 3 | 0.00 | 3 | 0.01 | ReverseGet/1.0; http://reverseget.com/; ... |
| 40 | 2 | 0.00 | 2 | 0.01 | Windows 2000 |
| 41 | 2 | 0.00 | 1 | 0.00 | +info@netcraft.com |
| 42 | 2 | 0.00 | 2 | 0.01 | +http://tweetedtimes.com |
| 43 | 1 | 0.00 | 1 | 0.00 | Windows CE |
| 44 | 1 | 0.00 | 1 | 0.00 | W38.111.147.83 - - [27/Apr/2012:15:40:10... |
| 45 | 1 | 0.00 | 1 | 0.00 | Linux [unknown version] |
| 46 | 1 | 0.00 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 47 | 1 | 0.00 | 1 | 0.00 | MSIE 5.5; Windows NT 5.0 |
| 48 | 1 | 0.00 | 1 | 0.00 | Windows ME |
