I've added a simple search function to the site, backed by elasticsearch and Elastical, the NodeJS elasticsearch client. It only searches blog posts right now, and it's not perfect yet. I'm still learning how to query elasticsearch, so the results might be a bit strange for awhile (e.g. searching for reed returns a post without reed mentioned in it).
I also made a minor change to the layout. The links are a slightly darker blue. Fits in with the site better. I've also expanded the number of characters in each blog post preview on the front page up to 1024, from 512.