How to synchronize a page opened by users with changes in the database, such as on the VKontakte wall?

Question

PHP

There is a website in php mysql. Made with Drupal8. How to make a user see comments of other users without reloading without reloading? Are there any good solutions (that do not load the server and are not difficult to implement). Should work in real time. Thank you.

Answer 1

Use AJAX technology or something more recent like websocket