Web App Performance Optimization: Tips to Boost Speed and UX

In today’s digital world, speed is no longer just a nice-to-have— it’s a critical component of user experience and SEO. A slow web app can frustrate users, reduce conversions, and hurt your search rankings. If you're building or managing a web application, optimizing performance should be a top priority. In this article, we’ll walk through key techniques—backed by tools like Google Lighthouse —to help you boost speed and enhance user experience (UX). Why Web App Performance Matters 53% of users abandon a mobile site if it takes longer than 3 seconds to load. Google now considers Core Web Vitals and overall site performance as part of its ranking algorithm. A well-optimized app leads to better engagement, higher conversions, and improved brand perception. Performance is UX. And user experience is business. 1. Audit Your Web App with Google Lighthouse Google Lighthouse is a free, open-source tool that audits your web app for performance, SEO, accessibility, ...