Twitter Lite and High Performance React Progressive Web Apps at Scale
Paul Armstrong

I’m very curious to know more about how you achieved fast calculation and scroll detection. Could you maybe give some details about how you optimised that? I’m right now working on a project and I have used the new IntersectionObserver API (polyfilled) and it has worked very well in terms of performance. Did you maybe use the same approach?

+ huge kudos for proving that investing into PWA’s makes sense from an engineering as well as a business standpoint. It’s way easier for devs in smaller companies to justify taking the time to improve perf :)

Thanks :)!


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