Google official released services where webmasters can measure the websites performance and it works automatically “Measure Speedup”. Compare the results between your previous and present performance and the differences to understand the improvement. The websites performance vary as because of the pages, browser issue, geographic location access, bandwidth issues and so on technical things. The service is limited and request for demo.

“Page Speed Service is an online service that automatically speeds up loading of your web pages. To use the service, you need to sign up and point your site’s DNS entry to Google. Page Speed Service fetches content from your servers, rewrites your pages by applying web performance best practices, and serves them to end users via Google’s servers across the globe. Your users will continue to access your site just as they did before, only with faster load times. Now you don’t have to worry about concatenating CSS, compressing images, caching, gzipping resources or other web performance best practices. “ – Google says.

To making the testing process understandable, you will get visual comparison. That’s interesting and to understand page load time, start render time, repeat view page load time, repeat view start render time and full difference– based on original, optimized, difference comparison