Strategy and Solutions

Zymr rebuilt the frontend in React using Next.js to enable server-side rendering (SSR) and better SEO. Lazy loading was introduced for heavy components, and GraphQL APIs were used to streamline data queries. Mobile responsiveness was enhanced with adaptive layout components and performance metrics were continuously monitored using Lighthouse and Web Vitals.

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Migrating to React for Performance-Critical HealthTech App - Frontend Revamp with Next.js

About the Client

A fast-growing HealthTech startup offering predictive analytics and personalized care journeys for chronic disease management. The mobile app was central to patient engagement but was underperforming on both iOS and Android platforms.

Key Outcomes

The existing Angular-based frontend was bloated and difficult to maintain. Pages took too long to load, particularly in low-bandwidth areas, negatively affecting daily active user (DAU) rates and leading to lower patient adherence to treatment plans.
Mobile engagement rose by 35% within three months post-launch

Business Challenges

The existing Angular-based frontend was bloated and difficult to maintain. Pages took too long to load, particularly in low-bandwidth areas, negatively affecting daily active user (DAU) rates and leading to lower patient adherence to treatment plans.

Business Impacts / Key Results Achieved

Time-to-interactive dropped by 60%, leading to higher patient retention. The app now supports seamless cross-device usage and fast load times under 2 seconds in most regions.

Strategy and Solutions

Zymr rebuilt the frontend in React using Next.js to enable server-side rendering (SSR) and better SEO. Lazy loading was introduced for heavy components, and GraphQL APIs were used to streamline data queries. Mobile responsiveness was enhanced with adaptive layout components and performance metrics were continuously monitored using Lighthouse and Web Vitals.

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