Website performance: How I've improved the performance of this website?

This post is part of the series 'Web Performance'. Be sure to check out the rest of the blog posts of the series! Website performance: Why and how to measure? Website performance: How I've improved the performance of this website? (this post) In the previous post, I wrote about why performance is important and how to measure it for your website. In this post, I'll talk about the different things I've made on this website to improve the performance. Some of the optimizations are just some configuration flags to turn on, others require more changes in your code.