This site uses the viewport meta tag which means the content may be optimized for mobile content.
Baidu Share is a popular button embed code for China and provides embed buttons for QQ, Weibo, RenRen and other China social networks.
nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.
Allows a website to define how a page is rendered in Internet Explorer 8, allowing a website to decide to use IE7 style rendering over IE8 rendering.
UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.
The http-equiv attribute provides an HTTP header for the information/value of the content attribute. The http-equiv attribute can be used to simulate an HTTP response header.
Open graph description entity tag
The Open Graph protocol enables any web page to become a rich object in a social graph, a open protocol supported by Facebook