We watented a fast, SEO optimized, multi language page, where blog posts can be written in markdown.
You can copy and paste our setup in Jekyll and Gitlab pages.
IMHO existing SSG need educated users to produce sophisticated homepages not another SSG. Still jekyll feels rather complicated to use, I described my set-up issues in the post:
https://www.helm-nagel.com/how-to-score-a-perfect-100-percen...