How to calculate page load time of a website ?

Page load time is really matters to site hosts . When we consider top sites like Google your search results will shown in a seconds where as in facebook profile will re-load in few seconds . Want to know how much time your site or any website takes to load . Here is a page called pagespeed which developed by google developers .These page speed had two variations desktop page-load time and mobile page-load time Now Lets follow some steps.

Desktop and Mobile Page-load Time :

 For System Page-load Time: clickhere

Enter the site URL in box before the analyze .

Now click on the analyze , site results will shown as below .

.For Mobile Page-load Time click on the moblie report option .

For Hosts : 

In the left side below suggestion summary pagespeed insights help how to improve site .

By the clicking on certain rule names we can know the fault in code .