One of the factors that makes a website load slow is the number of files and data the page has to download from a server. The easiest way to make a webpage load faster is to eliminate as many of those items as possible. Some techniques for doing this are:
Image Sprites: Utilizing Image Sprites is the process of setting up smaller images in one bigger image file. Some instances this is very useful for icon sets that appear on a page, smaller images groups of similar images, images that make up a hover, active, and down-state sequence.
Merge Common Like Code –
Cache Your Files –