Best path/way and course for Web development.

Hi guys, i want to start Web Development in order of Html, Css and Js so what is the best way and whats is the best course and place to learn, maybe udemy, w3school or anywhere which is good for web-dev, i have coded python for more than 3 years and people recommend me to go for django(flask and other python frameworks) or ruby which have the same and easy syntax but i didn't really wanted backed again so Please tell me the best way to learn Html, Css and Js (essentially front-end and frameworks like react)