INP at Disney+ Hotstar

Hotstar understands the importance of user experience and takes proactive measures to address high Interaction to Next Paint (INP). This talk will explore our journey in measuring and improving INP to ensure a seamless user experience. It will outline the significance of INP measurement, the challenges faced in maintaining optimal responsiveness, and the tools and techniques employed for INP analysis. The talk will discuss specific issues encountered in the living room environment and the innovative solutions implemented to accurately attribute INP. Additionally, it will highlight the strategies used to prevent INP regressions at scale and the various avenues explored to optimize INP in the Hotstar web app.