Tracking application size

It is better to track the growth rate of your application per sprint release. Count SLOC of an application per programming language used before start of sprint. Divide each SLOC group by its Caper Jones factor and add function points to get the total. Do the same at...

Use YSlow.org

Use the plug-in from http://yslow.org/ to find out how to improve the performance of your website. They have also outlined 23 best practices check it out.

Bundling Feature

Use bundling feature to minimize the number of HTTP requests to your website. Bundling enables web applications to serve multiple files for one http request.

Minification

To improve the performance of your website use minification feature which will remove white spaces, new lines and empty lines in your css, js files and reduce their size there by users can download them faster.

SVG instead of images

For standard images displayed on websites like previous, next, up, down use SVG based images or fonts like font awesome. This may help improve performance of your website. Even for larger images design them as SVG. Also if you are using images then try using image...