core-web-vitals
6 articles
Understanding CLS: The Complete Guide to Cumulative Layout Shift
Master Cumulative Layout Shift (CLS), the Core Web Vital that measures visual stability. Learn about CLS history, how it's calculated, why layout shifts frustrate users, and proven strategies to achieve a perfect CLS score.
Understanding INP: The Complete Guide to Interaction to Next Paint
Master Interaction to Next Paint (INP), the Core Web Vital that replaced FID. Learn about INP's history, how it measures responsiveness, why FID was retired, and how to optimize your INP score.
Understanding LCP: The Complete Guide to Largest Contentful Paint
Master Largest Contentful Paint (LCP), the Core Web Vital that measures loading performance. Learn its history, how it works, why it matters, and proven strategies to optimize your LCP score.
Case Study: Removing GTM from Lighthouse Performance Impact
How we optimized a client's Google Tag Manager implementation to eliminate its performance footprint while maintaining 98%+ data collection accuracy - turning a 50% load impact into near-zero.
Why Your Lighthouse Score Varies by 3-5 Points Across Different Systems
A technical deep-dive into how operating system architectures, floating-point precision, and discrete math implementations cause measurable variations in Lighthouse performance scores - even when testing identical websites.
Core Web Vitals: Understanding Google's Vital Signals
A comprehensive guide to Core Web Vitals - Google's key metrics for measuring user experience. Learn about LCP, INP, and CLS, and how they impact your SEO and business.