~/talk

Core Web Vitals Affect Google Rankings with Lee Robinson

Talkat JSWorld Conference USA 2021 · on Friday, 2021-05-21· [web-performance, web-platform]
slides:none on file

Claims that Core Web Vitals change Google rankings in 2021 and can drive multi‑million dollar business impact, backed by concrete numbers: Amazon/Walmart link 100 ms latency to ~1% revenue loss. Focus is on measurable metrics—Largest Contentful Paint <2.5s, First Input Delay <100ms, low CLS—and on tools and fixes that actually move those numbers: pre‑rendering, image optimization (webp/avif, srcset, lazy load), font preloading, Lighthouse/PageSpeed Insights labs and Vercel real‑user analytics showing ~18–19k data points and deployment‑correlated regressions.

AI-written summary · about

  1. 0:00Start
  2. 0:44What to expect from this talk.
  3. 1:55Better performance, better SEO
  4. 7:59The biggest companies choose Next.js for React in production
  5. 8:22Pre-rendering
  6. 9:48Optimize Images
  7. 13:05Optimize Fonts
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