Let’s start by defining Next.js.
Chris Liverani’s Unsplash image
Rendering on the server (SSR)
All of the React components that make up a website’s user interface are initially rendered on the server. This means that nothing else needs to happen for the user to be able to read the content on the page once the HTML has been delivered to the client (the user’s browser). This gives the user the impression that pages load much more quickly.
This is a great article to read if you’re curious about the differences between client side rendering and server side rendering.
Because Next JS handles everything related to re-rendering those components in the user’s browser, development time is shortened when components are rendered identically on the server and client sides (universal rendering). Developers can focus solely on creating components without having to worry (too much!) about the environment in which those components will be displayed.
automatically splitting codes
Module Replacement for Hot (HMR)
This is very important for developers but less important for the application’s end users. HMR enables developers to see any changes they make live in the application as soon as they are made during development. But in contrast to conventional “live reload” techniques, it only reloads the modules that have actually changed, maintaining the state the application was in and drastically cutting the time needed to see changes in action. In the end, because there are development efficiencies to be gained, it takes us less time to develop, which is good for our clients.
In conclusion, the main advantages of Next.js are:
Improved development methodology benefits our clients’ costs and timelines.
Enhanced performance equates to quicker applications
More indexable, SEO-friendly applications result from improved SEO.
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