[jimmont]

MDN has your answer, built into the browser, ready to go: https://developer.mozilla.org/docs/Web/API/Web_components

If that's not enough, Lit enhances it a bit such that either LitElement and/or litHtml can accommodate whichever style you want: https://lit.dev/

[just_mc]

We are using Lit and MobX for a very complex real time communication and collaboration application. It is very simple and we have not had any issues with performance or flexibility.

[brazukadev]

this is the answer. should be ranked higher. WebComponents with lit+html is much better than React or any other framework.