Meta is a response head message used to simulate the HTTP protocol in the HTML document. Meta labels are used for the
and of the web page, many of the Meta labels. There are two properties of Meta: Name and Http-Equiv. The Name property is primarily used to describe the web page, corresponding to Content (web content), to search for engine robots to find, classification (currently almost all search engines) use online robots to automatically find meta values to web page categories). This is the most important thing about Description (Site on search engine) and keywords, so you should add a meta value per page. There are more commonly used:Name Attribute 1, Tell the search engine you The author of the site; 5, Where the attribute description: Set to all: The file will be retrieved, and on the page The link can be queried; set to none: file will not be retrieved, and the link on the page cannot be queried; set to index: file will be retrieved; set to FOLLOW: The link on the page can be queried; Set to NoIndex: The file will not be retrieved, but the link on the page can be queried; set to NOFOLLOW: File will not be retrieved, the link on the page can be queried.
