Hands-On Data Structures and Algorithms with JavaScript

Using smaller values for common ENUM

As we are talking about reducing the page load time, one quick way to do so is by removing redundancies in the CSS file itself: 

• Using #FFFFFF ? Switch to #FFF, which is the same RGB value represented in short.
• Do not add px after a properties value if the value is 0.
• Use minification if not being used already. This concatenates all the CSS files in use and removes all the whitespace and newlines.
• Use GZip to compress the minified file while transferring it over the network. It is very easy, and browsers are very good at unzipping the files efficiently. 
• Be aware of browser-specific optimizations at hand. For example, in case of Chrome, we do not have to apply styles in the rgba(x,y,z,a) format. We can ...