React is awesome! it allows you to start building apps with ease, be it small and simple apps or big and complex apps. As applications evolve, it is only natural for requirements to do so as well and, in consequence, you will eventually need to boost some performance out of your app. There are some problems you might encounter and luckily for you it’s not hard! This post will break down those problems and help you with potential perf issues you may have in your React apps.
A very common error developers run into when building (and specifically refreshing) an app with React Router is 'Cannot GET /url'. In this post we'll look at why that error happens and what to do about it.