I've been frustrated by so many blogging platforms. Last I used Ghost. I thought it was expensive and I hated that www I had to prefix on custom domain.
So, I built https://lykhari.com just for myself and then opened for public.
If you want something simple do try. It became profitable and hence self sustaining!
On a parallel note. I did not find good engine for the python package documentation, built such an engine myself: https://albumentations.ai/