I write on my own website, where I scream into the wind endlessly like an elderly person shaking his fist angrily at passing clouds. I don't believe anyone reads any of it but I find it helps me get my thoughts in order.

It's hosted on DreamHost. It's all custom, I glued it together with Markdown, CSS, and a little Python. I've been with them for years and I can still recommend them. I'm not sure the exact location matters though. Success comes not from the venue but bringing an audience.

Also the key to successful self-promotion is to spam your own stuff tirelessly until the heat death of the universe, so here we go:

http://www.codersnotes.com/notes/why-build/