Baidu Promote is a pay per click advertising platform that directs traffic to Chinese websites. For web services, Baidu mainly uses its own search page to promote its search related products, social networking products, and platform products.
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.
websites using the $ symbol on their website - meaning it may accept payment in this currency used in Israel.
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.
A canonical link element is an HTML element that helps webmasters prevent duplicate content issues by specifying the "canonical", or "preferred".