Web Vitals Checker Guide
The goal is simple: understand your CWV numbers and take the next action. Run the checker, identify the bottleneck, then apply the right fixes.
1) Run a check
Open Web Vitals Checker and review:
- LCP: time to render the largest above-the-fold element
- INP: interaction latency (replaces FID)
- CLS: layout shifts
2) Quick fix checklist
- Images: correct dimensions, preload critical hero, modern formats
- JS: split bundles, defer non-critical scripts, reduce long tasks
- Fonts: font-display: swap, minimize font files
- CLS: reserve space for images/ads, avoid late DOM injection
Deep dive: Core Web Vitals tutorial
Related tools
FAQ
How to interpret CWV metrics for SEO.