HTML and CSS are your friends.

When you progress to a point where you want to add interactivity on your site, learn Javascript.

Host your site on the cheapest VPS you can find. It'll give you an excuse to learn Linux and basic sysadmin.

[0] - https://developer.mozilla.org/en-US/docs/Web/HTML

[1] - https://developer.mozilla.org/en-US/docs/Web/CSS

[2] - https://developer.mozilla.org/en-US/docs/Web/JavaScript