This course has been updated! We now recommend you take the JavaScript Performance course.

Check out a free preview of the full Website Performance course:
The "Parallel Loading" Lesson is part of the full, Website Performance course featured in this preview video. Here's what you'd learn in this lesson:

The focus of parallel loading is to preserve the execution order. Using a script loader like LABjs will help the parallel loading of resources. The big difference between a script loader and relying on a browser’s native parallel loading technique is when the document’s ready event fires.

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