I'm the kind of person who obsesses over and hand-tunes the performance of my websites. By now, I think I've used pretty much every tool and technique out there to save bytes and milliseconds. NitroPack stood out from the crowd; I was surprised by how smart their approach was, and how much time it saved me. They're optimizing in ways that far exceeds the competition

Jono Alderson, Head of SEO of Yoast