| Used Operating Systems |
| 1 | 7115 | 45.22 | 961 | 17.40 | Windows NT |
| 2 | 3169 | 20.14 | 2901 | 52.52 | +http://www.baidu.com/search/spider.html |
| 3 | 1419 | 9.02 | 405 | 7.33 | +http://www.google.com/bot.html |
| 4 | 886 | 5.63 | 360 | 6.52 | +http://www.bing.com/bingbot.htm |
| 5 | 864 | 5.49 | 188 | 3.40 | ezooms.bot@gmail.com |
| 6 | 656 | 4.17 | 181 | 3.28 | +http://yandex.com/bots |
| 7 | 293 | 1.86 | 292 | 5.29 | http://www.yodao.com/help/webmaster/spid... |
| 8 | 260 | 1.65 | 2 | 0.04 | +http://www.warebay.com/bot.html |
| 9 | 173 | 1.10 | 22 | 0.40 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 157 | 1.00 | 16 | 0.29 | http://www.majestic12.co.uk/bot.php?+ |
| 11 | 136 | 0.86 | 1 | 0.02 | http://www.searchmetrics.com/en/searchme... |
| 12 | 107 | 0.68 | 75 | 1.36 | +http://ahrefs.com/robot/ |
| 13 | 104 | 0.66 | 7 | 0.13 | http://crawler.sistrix.net/ |
| 14 | 100 | 0.64 | 8 | 0.14 | Linux i686 [unknown version] |
| 15 | 65 | 0.41 | 3 | 0.05 | PPC Mac OS X 10.4 |
| 16 | 39 | 0.25 | 19 | 0.34 | Windows 98 |
| 17 | 26 | 0.17 | 8 | 0.14 | +http://shoulu.jike.com/spider.html |
| 18 | 22 | 0.14 | 12 | 0.22 | MSIE 5.5; Windows NT 5.0 |
| 19 | 21 | 0.13 | 11 | 0.20 | +http://www.exabot.com/go/robot |
| 20 | 20 | 0.13 | 0 | 0.00 | Windows 6.1; MSIE 8.0.7601.17514 |
| 21 | 14 | 0.09 | 7 | 0.13 | Windows ME |
| 22 | 12 | 0.08 | 8 | 0.14 | Windows 95 |
| 23 | 11 | 0.07 | 7 | 0.13 | Windows 3.1 |
| 24 | 10 | 0.06 | 5 | 0.09 | Intel Mac OS X 10.4 |
| 25 | 10 | 0.06 | 2 | 0.04 | PPC Mac OS X Mach-O |
| 26 | 10 | 0.06 | 8 | 0.14 | MSIE 5.5; Windows NT 4.0 |
| 27 | 7 | 0.04 | 5 | 0.09 | Windows CE |
| 28 | 4 | 0.03 | 2 | 0.04 | Android |
| 29 | 4 | 0.03 | 0 | 0.00 | Windows Phone OS 7.5 |
| 30 | 4 | 0.03 | 0 | 0.00 | Windows 90 |
| 31 | 3 | 0.02 | 2 | 0.04 | Linux [unknown version] |
| 32 | 2 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 33 | 2 | 0.01 | 2 | 0.04 | Trident 4.0; Windows NT 4.1;GB; .NET CLR... |
| 34 | 2 | 0.01 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 35 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 36 | 1 | 0.01 | 1 | 0.02 | Intel Mac OS X |
| 37 | 1 | 0.01 | 1 | 0.02 | Intel Mac OS X 10.5 |
| 38 | 1 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 39 | 1 | 0.01 | 1 | 0.02 | Windows XP |
