
Henri Helvetica
Henri is a web performance and user experience advocate, supporter of performance literacy and a 5k distance runner. More importantly, he's busy building a mini empire focusing on developer media. Command-h is a small org in support of all his passions: people and development. When not combing through research docs, case studies and profiling, he can be found curating the next and best in person experience possible.
R3ACT: A Frightening Look At Performance Figures
React Summit US 2023Watch video: R3ACT: A Frightening Look At Performance Figures

27 min
R3ACT: A Frightening Look At Performance Figures

In the 10 yrs that React has been present, we've seen an unprecedented amount of progress on the web. The browsers have grown in capabilities by leaps and bounds, tooling exploded and frameworks slowly emerged to become quotidian technology. But just as the web changed, so did users of the web AND their needs. Performance engineers have monitored the lavish and liberal use of frameworks, resulting in the disservice to users AND their user experiences. "R3ACT" is talk that will uncover and discuss some performance perils as they appear on the web, with React in mind, supported by lab and rum data.
DEADScript: The Role Of JavaScript In Web Sustainability
JSNation 2023

21 min
DEADScript: The Role Of JavaScript In Web Sustainability

In the web performance circles, we tend to closely watch paint times, blocking times, and so many more metric times, which all contribute to analyzing the user experience. In 2023, we have begun to pay more attention to metric tonnes. DEADScript is a presentation highlighting the resources we’re loading in modern development, and JavaScript’s unique role in this disquieting environmental dilemma.