SEO Playbook
Core Web Vitals Optimization
Improve LCP, INP, and CLS scores to meet Google's page experience standards and boost rankings.
SEO Strategy GuidesLCP 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
LCP is the most impactful Core Web Vital for ranking improvements.
JavaScript optimization is the key to passing INP thresholds.
Explicit media dimensions are the simplest fix for CLS issues.
Field data from CrUX is what Google actually uses for ranking evaluation.
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