安全食品网购 - 好吃好用微薄最新推荐网址 http://www.bbrdgs.com/
Chinese Internet Webmaster most used site traffic statistics analysis system, safe, reliable, impartial, third-party.
51DNS is a high defense DNS service providers
UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.
Meta descriptions are HTML attributes that provide concise explanations of the contents of web pages. Meta descriptions are commonly used on search engine result pages (SERPs) to display preview snippets for a given page.
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.