Explore 9 articles from Etsy on mobile performance
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Etsy just rewrote major parts of their Android app with Jetpack Compose and saw conversion rates climb. Here's how they pulled off the migration without breaking production.
Etsy's Android listing screen had 4,000+ lines of code in a single file, single-digit test coverage, and 200 experiments running. Something had to give.
Etsy's iOS listing screen handles 16% of all app traffic. But after a decade, its monolithic architecture was slowing everything down.
Etsy was getting 1,000 Out of Memory crashes per day on Android. The culprit? A navigation architecture from 2012 that couldn't handle modern browsing behavior.
Michael MacDougall from Etsy reveals how they tackled iOS architecture chaos with VIPER. The overhead was brutal, but the consistency payoff changed everything.
Etsy built Crashcan, their own mobile crash analytics layer on top of a third-party provider. Why not just use the vendor's dashboard?
Deniz Veli from Etsy tackled a problem every Android dev knows: GridView and ListView just don't cut it for complex layouts. So they built their own.
Etsy's iOS team faced a dilemma: their safety net for preventing crashes was quietly hiding logic bugs across the entire codebase.
When mobile traffic jumped from 25% to 40% in six months, Etsy knew they had a problem. Their engineers were testing on personal iPhones while users browsed on dozens of different devices.