> Markdown version of [/@aaron-grogg](https://www.wearedevelopers.com/@aaron-grogg). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Aaron Grogg Web developer specializing in performance, helping sites load faster and dial in Core Web Vitals. ## About Aaron Grogg speeds up the web. He specializes in untangling complex performance issues, focusing on everything from tightening Time to First Byte to stabilizing Cumulative Layout Shifts. He started coding in 1998 out of necessity while managing a San Francisco hotel, learning from a borrowed HTML book. Today, he teaches high-performance web engineering, showing developers how to combine active diagnostics, real user monitoring, and AI-assisted workflows to catch bottlenecks before they hit production. Based in Oroville, California, you can usually find him hiking, gardening, or biking when he's away from the keyboard. ## Upcoming Sessions ### World Congress 2026 North America · September 23, 2026 San José, CA - [Fast by Design: A Masterclass in High-Performance Web Engineering](https://www.wearedevelopers.com/events/world-congress-2026-north-america/sessions/1414-fast-by-design-a) ## Links - [LinkedIn](https://www.linkedin.com/in/aarontgrogg) - [Blog](https://aarontgrogg.com/blog/)