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Henri Helvetica

Henri Helvetica

Developer Community Lead @ WebPageTest by CatchPoint™


Henri is a developer who has turned his interests to a passionate mix of site performance engineering with pinches of user experience. This led to him joining WebPageTest by Catchpoint as Head of Developer Community. When not reading the deluge of docs and case studies, streaming, or profiling sites in his favourite tool, Henri can be found contributing back to the community — leading the Toronto Web Performance Group meetup + Jamstack Toronto meetup, curating conference content. Otherwise, Henri is focusing on running the fastest 5k possible (surprise surprise), encouraging a healthy lifestyle and sharing it all via #devsWhoRun.

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R Is For React Performance

There are many variables to consider when discussing web performance in 2023. 'R is for React Performance' is a fun, ACCESSIBLE, and unique talk which runs through every letter of the alphabet, discussing a coordinating API or best practice, explaining the term, and its relationship with web performance and React. Using available data, this talk also exposes areas of possible improvements with each term so that developers walk away with not only data points, but also increased performance literacy which is essential in web performance today.