Commonly, everybody used to use a programming
language in server to calculate time to load page.
However, only with JavaScript and little creativeness,
you can also calculate time to load your pages. There
are two step to set up this script on your web pages. In
fact, this script only calculate time to display your
pages in client side. Therefore, time to load page
depend on speed of processor. Of course, if you place
two script nearly, time to load equal 0