How to fix slow loading apps

How often have you worked on a slow javascript web app that randomly just seemed to slow to a crawl when loading for users?

How often have you worked on a slow javascript web app that randomly just seemed to slow to a crawl when loading for users?

Like it almost takes 5-10 seconds on first page load on a very fast internet connection… imagine what it is for slower internet connections?

Slow apps frustrate users, and end up losing companies a lot of money and customers over tim…