Fabian Krumbholz
Web Performance Principal at Speed Kit
Munich, Bavaria, Germany
Summary
👤
Senior🎓
Top SchoolFabian Krumbholz is a Web Performance Principal with nine years of focused experience helping large e-commerce brands shrink load times and boost conversion through data-driven optimization. A Google Developer Expert and international speaker, he turns complex performance metrics like Core Web Vitals into actionable strategies that directly improve business KPIs. At Speed Kit he leads a team of specialists and combines hands-on consulting with real user monitoring approaches developed during his years leading performance and AI teams at Cognizant Netcentric. He also teaches web performance to master’s students, bringing field-tested enterprise lessons into the classroom. Known for breaking down technical topics into concrete, audience-ready steps, he offers everything from executive briefings to hands-on workshops. Outside of client work he’s driven by a clear, slightly evangelical goal: eliminate digital waiting times so users never have to stare at a spinner.
9 years of coding experience
6 years of employment as a software developer
Bachelor's degree, Bachelor of Information Systems and Management, Bachelor's degree, Bachelor of Information Systems and Management at Fachhochschule München
English
Github Skills (16)
web-performance9
webpagetest8
javascript6
testing5
docker4
progressive-enhancement3
user-experience3
cookie2
devtools2
developer-tools2
browser-detection2
agent2
cross-platform1
marketing1
progressive1
Programming languages (5)
Github contributions (5)
fabkrum/web-performance-resources
Aug 2018 - Jan 2023
Up to date collection of valuable web performance resources
Contributions:493 commits, 7 PRs, 459 pushes in 4 years 6 months
web-performanceperformanceup-to-date
fabkrum/core-web-vitals-optimizer
Jun 2021 - Nov 2021
Contributions:53 commits, 52 pushes, 1 branch in 5 months
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