Help

I was preparing for application to universities, and I realized that I don't know what kind of problem I want to dedicate myself during these four years. The most important problem is that I don't know much about web dev because I have been studying web dev only for a while, but I really want to pursue this major. I know that I need to think about that myself because it should be relevant to me, but maybe you, guys, could give me a direction that is worth lookin