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Knowing how to code a website using HTML is fine so that one can help diagnose issues incase something is wrong on a website, but not advisable to learn HTML for long since there are many friendly GUI that generate the code. The tech is moving fast. Thanks, @rharphelle for sharing your beautiful and great effort. We all deserve a break once in a while.

oh thanks. can you recommend a language to learn after HTML?
not like i am pursuing a career in programming but i just wanna know something

Of course, PHP(Hypertext preprocessor) will be good for you, it is a server side scripting language, loosely type and easy to learn, it works well with your HTML.