Learn Async Programming
Do your Best to Trim your HTML Code
Manage Your Variables
Use as Many Pointer References as You Need
Use Gzip Compression Protocols
Get Rid of Unnecessary Loops
Get Backup from the Cache to Improve the Performance of the Code
When you write code that makes good use of the cache of the physical device, you can make the scrip read the same process over and over without having to load everything to work correctly. Although the best code is the one that provides minimal load times, by having the browser store objects in the cache, you will increase the performance time of your app or utility to the best of its capabilities.