I really recommend GitHub pages but you actually have to fork a theme and modify it to suit your needs (it's fun and possibilities are infinite). You don't have

I really recommend GitHub pages but you actually have to fork a theme and modify it to suit your needs (it's fun and possibilities are infinite). You don't have to push everything to GitHub wile you debug your theme and prepare your post, just run Jekyll and see everything on the localhost and only update it on GitHub when it seems finished.