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Performance5 min readJul 2024

Optimizing Core Web Vitals to Hit 100/100 Lighthouse Scores

Zain Arisar
Zain ArisarSenior Full-Stack Engineer

"Practical techniques for eliminating Cumulative Layout Shift (CLS), minimizing Largest Contentful Paint (LCP), and auditing JavaScript execution."

Web performance is directly tied to user conversion rates and Google SEO rankings. Achieving a perfect 100/100 Lighthouse performance score requires disciplined asset loading, zero layout shifts, and aggressive CSS tree-shaking. ### 1. Modern Image Optimization Pipeline Never serve uncompressed raw image formats over the wire. ### 2. Font Loading & Zero Cumulative Layout Shift (CLS) Use subset font preloading with Next/Font.

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