How to read a Lighthouse report correctly: which five metrics weight the score, why opportunities act indirectly and how to prioritize by estimated savings.
Video as an underrated load-time driver: poster as LCP candidate, lean preload, modern codecs and facades for embedded players - so no video slows the page.
Smooth animations without jank: the 16.7 ms frame budget, why only transform and opacity stay cheap, and how to hunt down frontend jank in the DevTools.
Core Web Vitals 2026: INP replaces FID, updated thresholds and optimization strategies. How to measure and improve your scores systematically.
Optimize Time to First Byte: identify causes of slow server response times and fix them systematically with DNS, TLS, backend and caching strategies.
Extract, inline and automate Critical CSS: load the visible area in milliseconds, keep the rest out of the way and improve your LCP score for the long run.
WebP, AVIF, responsive images and lazy loading: How to optimize images for faster loading times, better Core Web Vitals and up to 95% smaller image data.
Minimize JavaScript impact on INP and loading time: performance budgets, code splitting, tree shaking and third-party management for Core Web Vitals.
The server sets the ceiling for load time. How shared hosting, VPS, managed and cloud differ in TTFB, load spikes, scaling and latency to your audience.