Core Web Vitals – Measuring Performance Like a Pro
summary
Core Web Vitals become Google’s performance standard in 2020 and focus on user-perceived speed and stability, not raw load time. Key metrics are LCP, INP, CLS; measuring tools shown include Lighthouse and WebPageTest plus the Web Vitals extension and Sentry/Raygun for user monitoring. Practical fixes that move numbers: serve hero images in AVIF/WebP at correct sizes and with priority, choose font-display to avoid jank, load nonessential scripts with defer/async, and use preconnect to reduce resource latency—improvements raise SEO visibility and cut bounce rates.
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