Learn HTML Code Tutorial Reference Guide

META for Automatic Refreshing and Forwarding

You can use <META ...> to tell the web browser to automatically move to another web page, or refresh the current page, after a specified period of time.

To have the page automatically refresh itself every x seconds, use a tag like this:

this code
<META HTTP-EQUIV="REFRESH" CONTENT="5">

This tells the browser to refresh the page (HTTP-EQUIV="REFRESH"), and that it should do so every five seconds (CONTENT="5").

Suppose, however, that you want the page to refresh itself by going automatically to another page. This is common, for example, when someone has moved their home page to a new location, but want someone who goes to the old location to still find a pointer. You could put this <META ...> tag in the page at the old location:

this code produces this
<META 
     HTTP-EQUIV="Refresh"
     CONTENT="5; URL=autoforward_target.html">
this page

In this case the <META ...> tag works is like the first refresh example, only with a little added information. The first part is the same: CONTENT="5; URL=autoforward_target.html" tells the browser that the page should be refreshed. CONTENT="5; URL=autoforward_target.html" gives two pieces of information: that the page should refresh after five seconds, and that the new URL should be autoforward_target.html .

In a situation like this, you should also provide a regular link to the new page.

You can also use <META ...> tags to ensure that the browser does not cache the HTML document. Caching is the process of saving the HTML document locally, on the computer's hard drive, for future use so the browser doesn't have to download the document again. To ensure that the browser does not cache a particular page use the following code:

this code
<META HTTP-EQUIV="PRAGMA" CONTENT="NO-CACHE">



 

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