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The 2026 Core Web Vitals Checklist: Hitting 100 on Google Lighthouse

Kasun Jayawardena
Kasun Jayawardena
Lead Full-Stack Architect • Published 15 September 2026 • 5 min read
The 2026 Core Web Vitals Checklist: Hitting 100 on Google Lighthouse

Practical techniques to optimize Largest Contentful Paint, eliminate Cumulative Layout Shift, and structure semantic JSON-LD for rich snippets.

Google's ranking algorithms now penalize websites with unstable layouts and slow response times more aggressively than ever before.

To achieve green Core Web Vitals, start by eliminating layout shifts by assigning explicit aspect ratios to images and video containers before resources finish downloading.

Optimize font delivery by self-hosting Next.js fonts with zero-layout-shift fallback font definitions.

Finally, implement structured JSON-LD schema markup so Google and AI search engines can ingest your business services, pricing tiers, and client reviews as verified rich cards.

Tags:#SEO#Core Web Vitals#Lighthouse#Performance
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