Server-side rendering(SSR): when applications convert JavaScript modules into html
page and send the fully rendered web page back to the client(browser).
This provides better user experience which also optimizes the applications performance.
The advantages include:
- It enables pages to load faster improving user experience
- Search engines can easily index and crawl contents as it has faster load time, which is ideal for SEO.
- Helps in loading pages faster and efficiently with slow internet connection or outdated device.
the_reactor Edited answer 28/02/2022