Some of developers met many problems before, during and after development web application. One of problems that they met after development web application is their web application bad performance. There are a few methods to increase web app performance better is listed below:
1. Application Cache
HTML5 introduces application cache, which means that a web application is cached, and accessible without an internet connection.
Application cache gives an application three advantages:
Offline browsing - users can use the application when they're offline
Speed - cached resources load faster
Reduced server load - the browser will only download updated/changed resources from the server
CACHE MANIFEST (this one is required as it say that file is a cache)