Could use a little help...

Clearly I'm new to spacehey...

So if ya'll have any tips or resources on how to use this properly I'd greatly appreciate it. I'd like to share photos and videos, for example from my TikTok video sets and background/behind the scenes stuff from the same, on here.

But I'm completely new to this and already I'm finding I'm not sure how to proceed. I had a little luck with old html knowledge in my profile, is that all it is or is there something new I need to learn?