What should I learn more for web development

Question

I know HTML, CSS, python-flask(basics).
I wanted to make an interactive website with nice UI and faster backend stuff.
It's ok for me if your suggestion is not for python based websites😅.

Answer 1

Here are the languages that you need to learn:
https://www.spinxdigital.com/blog/common-web-design-languages-what-they-do-and-why-you-need-them/
There are other languages that are not at Sololearn but they are still essential.

Answer 2

You must study now JavaScript as it will make your webpages responsive after that go for JS framework

Answer 3

Thanks for you response, now I should sail for javascript and other things u mentioned...