HOW WE THINK ABOUT THREADS' IOS PERFORMANCE

Summary from the TLDR Web Dev newsletter

The Threads iOS team prioritized performance to maintain a positive user experience during the app's rapid growth, tracking key metrics like image load times (%FIRE), content delivery speed (TTNC), and post success rate (cPSR). They reduced app size, used a new latency measurement tool (SLATE), and implemented features like Drafts for better reliability. A boundary test revealed the negative impact of navigation latency on user engagement, highlighting the importance of quick loading times.