| Used Operating Systems |
| 1 | 40928 | 43.58 | 350 | 1.28 | +http://www.google.com/bot.html |
| 2 | 29829 | 31.76 | 24236 | 88.64 | +http://www.baidu.com/search/spider.html |
| 3 | 9966 | 10.61 | 1781 | 6.51 | Windows NT |
| 4 | 3735 | 3.98 | 34 | 0.12 | http://benderthewebrobot.tumblr.com |
| 5 | 2104 | 2.24 | 107 | 0.39 | +http://ahrefs.com/robot/ |
| 6 | 1949 | 2.08 | 9 | 0.03 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 1393 | 1.48 | 155 | 0.57 | +http://discoveryengine.com/discobot.htm... |
| 8 | 961 | 1.02 | 294 | 1.08 | ezooms.bot@gmail.com |
| 9 | 924 | 0.98 | 172 | 0.63 | +http://yandex.com/bots |
| 10 | 614 | 0.65 | 1 | 0.00 | http://crawler.sistrix.net/ |
| 11 | 406 | 0.43 | 52 | 0.19 | Windows 98 |
| 12 | 295 | 0.31 | 111 | 0.41 | +http://www.bing.com/bingbot.htm |
| 13 | 250 | 0.27 | 1 | 0.00 | +http://www.warebay.com/bot.html |
| 14 | 171 | 0.18 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 15 | 52 | 0.06 | 0 | 0.00 | Intel Mac OS X 10.4 |
| 16 | 50 | 0.05 | 0 | 0.00 | Intel Mac OS X 10.5 |
| 17 | 44 | 0.05 | 2 | 0.01 | Linux i686 [unknown version] |
| 18 | 39 | 0.04 | 1 | 0.00 | PPC Mac OS X 10.4 |
| 19 | 23 | 0.02 | 0 | 0.00 | +http://www-935.ibm.com/services/us/inde... |
| 20 | 23 | 0.02 | 0 | 0.00 | +http://filterdb.iss.net/crawler/ |
| 21 | 20 | 0.02 | 0 | 0.00 | Intel Mac OS X 10.7 |
| 22 | 20 | 0.02 | 0 | 0.00 | X11 |
| 23 | 19 | 0.02 | 13 | 0.05 | Windows 95 |
| 24 | 11 | 0.01 | 0 | 0.00 | Linux [unknown version] |
| 25 | 10 | 0.01 | 0 | 0.00 | MSIE 6 |
| 26 | 8 | 0.01 | 0 | 0.00 | PPC Mac OS X 10.5 |
| 27 | 6 | 0.01 | 0 | 0.00 | J2ME/MIDP |
| 28 | 5 | 0.01 | 0 | 0.00 | Windows Phone OS 7.5 |
| 29 | 4 | 0.00 | 1 | 0.00 | Windows CE |
| 30 | 4 | 0.00 | 2 | 0.01 | Win32 |
| 31 | 4 | 0.00 | 3 | 0.01 | Windows 2000 |
| 32 | 4 | 0.00 | 0 | 0.00 | AOL 9.0; Windows NT 5.1; .NET CLR 1.1.43... |
| 33 | 4 | 0.00 | 0 | 0.00 | Macintosh |
| 34 | 4 | 0.00 | 2 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 35 | 3 | 0.00 | 3 | 0.01 | Windows CE; PPC; 240x320 |
| 36 | 3 | 0.00 | 3 | 0.01 | Windows XP |
| 37 | 3 | 0.00 | 3 | 0.01 | Windows 3.1 |
| 38 | 3 | 0.00 | 2 | 0.01 | PPC Mac OS X Mach-O |
| 39 | 3 | 0.00 | 1 | 0.00 | ReverseGet/1.0; http://reverseget.com/; ... |
| 40 | 2 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 41 | 2 | 0.00 | 1 | 0.00 | Qihoo 0.9.6 |
| 42 | 2 | 0.00 | 1 | 0.00 | http://www.botje.com/plukkie.htm |
| 43 | 1 | 0.00 | 0 | 0.00 | Android |
| 44 | 1 | 0.00 | 1 | 0.00 | Intel Mac OS X |
| 45 | 1 | 0.00 | 1 | 0.00 | ; Linux i686 |
| 46 | 1 | 0.00 | 0 | 0.00 | Android 2.3.4 |
| 47 | 1 | 0.00 | 0 | 0.00 | FreeBSD [unknown version] |
| 48 | 1 | 0.00 | 0 | 0.00 | +info@netcraft.com |
| 49 | 1 | 0.00 | 0 | 0.00 | Android 2.2 |
| 50 | 1 | 0.00 | 0 | 0.00 | Windows ME |
