HTML page Head Area Coding Writing Specification _ Basic Tutorial

Today we briefly introduce the head area where the main content is placed. There is no emphasis on CSS and JavaScript, both of which are well known.


The head area must include the following logos:


Company Copyright note


Web page display Character set
Chinese Simplified:

Chinese Traditional:

English

Or:


Original creator Information


About the website


Search keywords


CSS specification for Web pages


Page title
<title>Here is the title of your page</title>

The head area is optionally included in the logo:

Sets the expiration time of the page. Once the page expires, it must be re-accessed on the server.


Prevents the browser from accessing the contents of the page from the local machine's cache.


Used to prevent others from calling your page in the frame.


Auto Jump (5 means time to stay for 5 seconds).


Web Search Robot Wizard. Used to tell the search robot which pages need to be indexed, and which pages do not need to be indexed.

The content parameters are all,none,index,noindex,follow,nofollow. The default is all.

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