What are the differences in performance between synchronous and asynchronous JavaScript script loading?
- by jasdeepkhalsa
My question is simply: what are the differences in performance between synchronous and asynchronous JavaScript script loading?
From what I've gathered synchronous code blocks the loading of a page and/or rest of the code from executing. This happens at two levels.
First, at the level of the script actually loading, and secondly, within the…