What is the best web browser to use?

That would depend on what you would like to get out of your experience with the web broswer. Google chrome offers more efficient computational algorhythms, a quicker navigation of the UI, but loses privacy due to the connected google services which can report your data usage if not properly configured. Browsers like firefox offer extension capability (the same as google chrome) and is open sourced, but may be slower to navigate depending on user to user experience. Other browsers i would avoid unless they are: TOR (which is still just a heavily modified and secured version of firefox).

Edge seems pretty good to me but maybe firefox for everything.