Speeding up and optimizing any website is very necessary. As a developer you need to optimized both the real and perceived performance of your application.Google has announced that they are adding page speed to their ranking algorithm.So the Audit mechanisim can help you to detect the problems in the web applcation and recommends predefined techniques to enhance the performance and speed up the application.
1.Right click on any element of your website in Chrome browser and select the Inspect element option from the option lists.It will open the Developer Tools window at the bottom of the page.You can also use the shortcut keys to open Developer Tools for different operating systems.
For Windows select the Control-Shift-J keys.
For Mac select the Command-Option-J keys.
2.The Audit Panel must be located in the Developer Tools window.Then check the Select All check box and click on the Run button inside Audit panel.
3.Now you will get two suggestions, Network Utilization and Web Page Performance.
4. Also you will get some customized recommendations like Minimize Cookie Size, Specify image dimensions under Network Utilization and Optimize the order of styles and scripts, Remove unused CSS rules under Web Page Performance.
Audit panel let you know the mistakes and helps to optimize the performance of your web application.