A few years ago Google introduced and plugin for the side a speed processor and then introduce the page speed online API which I load webmasters to use various tips to make the page load faster. Finally, something was provided to people so that they could automatically rewrite the site page.
Page speed service is a free service that automatically speeds up there loading up your pages. In order to use the service you must first register in Google and mentioned that DNS of your site in it.
Speed service Extracts they're content of your site from this server. Rewrite the page using the optimal parameters of site performance and presents it to the audience uses all over the world through Go your users will see your side the way they used to but the loading time is much shorter.