| Used Operating Systems by Visits |
| 1 | 4639 | 16.23 | 2793 | 34.20 | +http://www.baidu.com/search/spider.html |
| 2 | 2726 | 9.54 | 1902 | 23.29 | +http://www.bing.com/bingbot.htm |
| 3 | 2861 | 10.01 | 1314 | 16.09 | Windows NT |
| 4 | 10420 | 36.45 | 894 | 10.95 | +http://www.google.com/bot.html |
| 5 | 1705 | 5.96 | 338 | 4.14 | +http://yandex.com/bots |
| 6 | 2001 | 7.00 | 325 | 3.98 | ezooms.bot@gmail.com |
| 7 | 500 | 1.75 | 138 | 1.69 | +http://discoveryengine.com/discobot.htm... |
| 8 | 2500 | 8.74 | 115 | 1.41 | http://www.majestic12.co.uk/bot.php?+ |
| 9 | 246 | 0.86 | 114 | 1.40 | +http://shoulu.jike.com/spider.html |
| 10 | 118 | 0.41 | 53 | 0.65 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 71 | 0.25 | 36 | 0.44 | +http://www.exabot.com/go/robot |
| 12 | 48 | 0.17 | 28 | 0.34 | Windows 95 |
| 13 | 53 | 0.19 | 22 | 0.27 | Windows 98 |
| 14 | 64 | 0.22 | 16 | 0.20 | +http://ahrefs.com/robot/ |
| 15 | 31 | 0.11 | 14 | 0.17 | Linux i686 [unknown version] |
| 16 | 26 | 0.09 | 13 | 0.16 | +http://www.eventguru.com/spider.html |
| 17 | 250 | 0.87 | 10 | 0.12 | http://crawler.sistrix.net/ |
| 18 | 11 | 0.04 | 8 | 0.10 | Windows XP |
| 19 | 7 | 0.02 | 5 | 0.06 | Windows 3.1 |
| 20 | 4 | 0.01 | 3 | 0.04 | Windows CE |
| 21 | 3 | 0.01 | 3 | 0.04 | Windows 2000 |
| 22 | 3 | 0.01 | 3 | 0.04 | SunOS sun4u |
| 23 | 4 | 0.01 | 3 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 24 | 3 | 0.01 | 2 | 0.02 | Windows ME |
| 25 | 7 | 0.02 | 2 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 26 | 4 | 0.01 | 2 | 0.02 | +info@netcraft.com |
| 27 | 2 | 0.01 | 2 | 0.02 | Intel Mac OS X 10.6 |
| 28 | 4 | 0.01 | 2 | 0.02 | +http://domains.checkparams.com/ |
| 29 | 1 | 0.00 | 1 | 0.01 | +http://www.netseer.com/crawler.html; cr... |
| 30 | 33 | 0.12 | 1 | 0.01 | +http://www.aihit.com/ |
| 31 | 1 | 0.00 | 1 | 0.01 | X11; Linux i686; en |
| 32 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 33 | 4 | 0.01 | 1 | 0.01 | Intel Mac OS X 10.4 |
| 34 | 2 | 0.01 | 1 | 0.01 | Windows Phone OS 7.5 |
| 35 | 1 | 0.00 | 1 | 0.01 | Mac_PowerPC Mac OS |
| 36 | 3 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 37 | 5 | 0.02 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 38 | 226 | 0.79 | 0 | 0.00 | http://www.youdao.com/help/webmaster/spi... |
