Understanding compression and minification

One of my colleagues raised a question on our internal discussion system as to why we should use minified JavaScript libraries. Now I’m sure everyone knows that you should minimize your libraries but do you really understand what the different le…

One of my colleagues raised a question on our internal discussion system as to why we should use minified JavaScript libraries. Now I’m sure everyone knows that you should minimize your libraries but do you really understand what the different levels of minification are and the benefits of the different levels? While I strongly recommend that you should ensure that on a production system you always have your JavaScript minified and gzipped (well and the right caching headers but that’s beyond the scope of this blog post) let’s have a look as to exactly what differences it makes.
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