SEO Playbook

Core Web Vitals Optimization

Improve LCP, INP, and CLS scores to meet Google's page experience standards and boost rankings.

SEO Strategy Guides

LCP Optimization

Optimize largest contentful paint by improving server response times, preloading critical assets, and optimizing images. Target sub-2.5 second LCP for the 75th percentile of page loads.

INP Optimization

Reduce interaction to next paint by minimizing JavaScript execution time and breaking up long tasks. Use web workers and lazy loading to keep the main thread responsive.

CLS Optimization

Prevent cumulative layout shift by setting explicit dimensions on images, videos, and ads. Avoid dynamically injected content above the fold.

Measurement & Monitoring

Use CrUX data for field metrics and Lighthouse for lab testing across key page templates. Set up real user monitoring to track improvements continuously.

Key Takeaways

1

LCP is the most impactful Core Web Vital for ranking improvements.

2

JavaScript optimization is the key to passing INP thresholds.

3

Explicit media dimensions are the simplest fix for CLS issues.

4

Field data from CrUX is what Google actually uses for ranking evaluation.

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