Is it recommended to learn everything about programming on Sololearn?

Answer 1

You may if you want. These are tutorials and they're suitable for everyone. It's up to you which language you want to go deeper into later on.

Answer 2

it is good to learn every thing here because the programming language in sololearn is basic.and its also good to lean two or three languages Deeply

Answer 3

it's recommended to understand sololearn as starting point. you should pick a field (in case of either html css or js then the other two too), do the courses, challenges, ask questions and help others. but once you feel comfortable go out and do your own project and review others.