Guides and insights on web performance for engineering teams.
Google replaced FID with Interaction to Next Paint (INP) as the responsiveness Core Web Vital. Here's what changed, why it matters for your Lighthouse score, and how to start tracking it across your site with real user data.
Performance budgets turn vague goals into automated enforcement. Walk through setting up LCP, CLS, and INP thresholds with GitHub Actions, including a real-world example from a Next.js e-commerce site.
Our engineering team used WebPerformanceBeacon's deploy comparison feature to identify a render-blocking third-party script. Here's the full story of how we went from 3.2s to 1.9s LCP on our highest-traffic page.