Here the page will refresh after every 15 seconds.
We can refresh a page at a particular interval by using Meta refresh tags within the head area of a page. User doesn't have any control over the refresh rate of the page.
This is usually used where page content changes over time. A page showing the cricket score has to refresh itself to display the current score. So at a particular interval the page reloads by meta refresh tag and collects the fresh score from the server.
Redirecting using meta refresh tags
We can use the same technique of refresh to redirect the page to a new location or a URL. Here by changing the time we can control the duration for which the current page will stay or load before the redirection takes place to new URL. Here is the code.