Client vs server side rendering react

Rendering
SSR (Server-Side Rendering)
CSR (Client-Side Rendering, рендеринг на клиенте)
Hydratation
Prerendering
Terms

TTFB (Time to First Byte)
FP (First Paint)
FCP (First Contentful Paint)
TTI (Time To Interactive)
Terms 2

Server-side rendering
https://developers.google.com/web/updates/2019/02/rendering-on-the-web

Client-side rendering
https://developers.google.com/web/updates/2019/02/rendering-on-the-web

Combining SSR and CSR
https://developers.google.com/web/updates/2019/02/rendering-on-the-web

SEO

ReactDOMServer
renderToString()
renderToStaticMarkup()
renderToNodeStream()
renderToStaticNodeStream()

ReactDOMServer
renderToString()
hydrate()
renderToStaticMarkup()
renderToNodeStream()
renderToStaticNodeStream()

ReactDOMServer
renderToString()
hydrate()
renderToStaticMarkup()
renderToNodeStream()
renderToStaticNodeStream()

Which should I use?