Content is the king but making the site a bit more SEO-friendly (or should I say Google-friendly?) doesn’t hurt.
Relevant link: Optimize the hell out of your website for PageSpeed.
Help Google’s bots crawl your site better. jekyll provides it as a plugin.
Structure data markup
Use Google’s structure data markup helper to generate structure data markup code. Use [structure data testing tool](Structured Data Testing Tool) to verify it afterward.
Google recently announced that they are taking HTTPS as a ranking signal. StartSSL offers free SSL that is included in root SSL of most major browers. CloudFlare is also going to offer free-SSL to all customers (mid-October). I’m going to wait for CloudFlare a bit since I’m already using CloudFlare for this blog.