The <meta> tag is used within the <head> tag and is used to embed any information into the HTML document that is not already defined by another tag. A few of the possible uses of the <meta> tag have been listed below.
Client Pull
Description
Adding the following meta tag to the <head> will automatically load the URL after X seconds. This is commonly used to refresh a page at a regular interval.
Code
<meta http-equiv="refresh" content="X; url=URL">
Description
Description
Add the following meta tag to the <head> tag to provide search engines with a DESCRIPTION about the HTML document.
Code
<meta name="description" content="DESCRIPTION">
Keywords
Description
Add the following meta tag to the <head> tag to provide search engines with a KEYWORDS about the HTML document. Separate the KEYWORDS with either spaces or commas.