Google Developers Blog: Edmunds partners with Google to make the web faster

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Edmunds partners with Google to make the web faster

Monday, November 22, 2010

Note: This is a guest post from Ismail Elshareef, who is the Principal Architect at Edmunds.com. Thanks for the post and for making the web faster Ismail!insideline.comMake the Web Fasterinsideline.combeta.edmunds.com

Reducing the number of HTTP requests: We combined CSS and JavaScript files as necessary as well as using sprites and data URIs when appropriate. We have also reduced the number of blocking requests as much as possible to make the pages "feel" faster

Serving static content from different domains: This helped maximize the browser parallel download capacity and made the request payload faster since no cookies were sent over the wire to those domains

Using Expires headers: Caching static files in the client's browser to eliminate unnecessary, redundant requests to our servers

Lazy-loading Page Modules: Render the bare minimum page components first so that the user sees something on the page, and then go through the modules and load them in order of priority. We developed a JavaScript Loader component to help us accomplish that which you can read more on the Edmunds technology blog.

Managing 3rd-party components: iFrame components could be lazy-loaded without a problem. JavaScript components, on the other hand, need to be loaded onto the page before the onLoad event fires. That had the potential of slowing down our pages. The solution we devised was to delay the calling of those components until we initiate the lazy-loading of modules and right before the onLoad event fires

Using non-blocking calls: With the browser being a single thread process, we optimized ways of including resources on the page without affecting page rendering so that the page is perceived to be fast by the user.

insideline.comWebPageTestbeta.edmunds.comcontrolled experimentEdmunds technology blogBy Ismail Elshareef, Principal Architect, Edmunds.com

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