Where is a great way to start your web portfolio/ code portfolio?

Answer 1

GitHub or a similar place. While it'll take a bit to learn how to use it properly, it's an excellent place to store and update your code. I'm using it myself, and it's quite useful when you want to see your own growth too, since it registers every change you have made. The majority of developers use it

Answer 2

you can use GitHub or you can create your personal website which contains all of your works.