Paul Calvano
Performance Architect at Etsy
About Paul Calvano
Paul Calvano is a Performance Architect at Etsy, where he focuses on delivering fast, reliable, and efficient user experiences for the renowned e-commerce marketplace. With a deep background in web performance and front-end optimization, Paul is a recognized expert in Core Web Vitals and real user monitoring (RUM). Paul is a co-maintainer of the HTTP Archive, an open source project that has been tracking the evolution of the web since 2010. He’s an author of various chapters of the 2019 Web Almanac and also a co-organizer of the NY Web Performance Meetup group. Paul is an active contributor to the web performance community, he writes about web performance and shares HTTP archive research at his private blog.
Tech SEO Summit Talk 2026
Fonts and Web Performance
Only 10 years ago, custom web fonts were a niche feature, but today they are used by 83% of websites. While it’s easy to add and use web fonts, there are many ways that they can negatively impact web performance and user experience.
During this talk Paul will provide an overview of custom web fonts and some web performance techniques you can use to optimize them. We’ll look at examples from the HTTP Archive and explore some free tools that can be used to analyze and optimize fonts on your site.
Pitch a tech-focused session for the upcoming conference
If you’re eager to dive deep into advanced technical topics and showcase your expertise on stage at a level beyond what’s typically seen at “standard” SEO conferences, we’d love to hear from you. Reach out to us with your ideas for the current or next conference!
