Minification of JavaScript and CSS files and their combination

The time taken to download the related resources of a web page is directly proportional to the size of the files that are downloaded. If we reduce the size of the file without changing the actual content, it will greatly increase the performance. Minification is the process of changing the content of the file in order to reduce the size of the file. Removing the extraneous white spaces and changing the variable names to shorter names are both common techniques used in the minification process.

Popular JavaScript libraries such as jQuery and frontend frameworks provide minified files by default. You can use them as they are. In the following screenshot, I have downloaded the compressed version of jQuery. You can minify the custom JavaScript and CSS files that you have written for your application:

Bundling is the process where you can combine two or more files into one. Bundling and minification, when used together, will...