I just learned CSR and SSR. So CSR is rendered in browser and SSR is rendered in server and gives it to browser. I can understand what CSR means but in SSR, what is the server? Is it a big database like AWS? or just small codes stuff in npm? I can't understand exactly what server means.

Anybody could help me?

CodePudding user response：

Fundamentally, a server is just a computer with a program on it configured to respond to network requests. Often such a server's network configuration allows it to be reached from the public internet (with an IPv4 address and hostname). It can be as small or large as you want. You could use a hosted server (or hosted service provider) with a huge infrastructure like AWS; you could also use a spare computer lying around, install a backend on it (Node.js? Next.js? PHP? Etc...) and hook it up to your network, and it'll also function as a server.

There are also local development servers. These are pieces of software running on your local machine that allow you, the developer (and usually only you) to run server code while testing. These are usually accessible by plugging a localhost URL into your web browser, such as localhost:3000.

CodePudding user response：

In SSR, 'the server' is usually the web server which contains the HTML files, but it can also be a separate server, such as with bigger websites that may have dedicated file storage servers, and rendering servers. Either way, the server is always just a computer owned by the website owners, which sends stuff over when someone asks it to.