The Meta tag is used within the head tag. This tag generates additional information to the search engine. User cannot see this information’s. but user can see it if he/she go to the view source by pressing Ctrl + U. this tag use two attribute name and content. Here first one used for name of the meta variable and second one used for specify the value of the variable.
Within the meta tag we can add a keyword for the page. The value of the content attribute specify an important word or a combination of words of the page for target our webpage by the search engine. All programmers must use this tag very carefully. Selection of the words are very important because if we select any word which is not connected to the page then that page is not found by the search engine.
This meta variable tag helps us to describe our web site within one or two sentence.
Refreshing of any web page is done with the help of the http-equiv="refresh" attribute. This tag is used to reload the page and update all the data of the form. It is a very useful application for a forum or any web related application with form.
<head>
<meta http-equiv="refresh" content="10"; url=http://www.tutorialathome.in" />
</head>
A meta variable revised specifies the last date of the modification.