https://pawelurbanek.com/frontend-performance-optimization

In this blog post, I describe the often-overlooked techniques that can significantly improve your web app’s overall performance.

These tips apply to all the web technologies like Ruby on Rails, NodeJS, Python Django, or Elixir Phoenix. It does not matter if you render an HTML or serve an API consumed by the JavaScript SPA framework. It all comes down to transferring bytes over the HTTP protocol. Frontend performance optimization is all about making this process as efficient as possible.