Core Web Vitals are not “developer vanity metrics.” They map to user experience, and they often correlate with better conversion rates.
If you want help fixing them: Performance SEO or Technical SEO.
LCP: how fast primary content appears
Common causes:
- Slow server response / no caching
- Heavy hero images
- Render-blocking scripts and styles
Typical fixes:
- Improve caching (edge/server)
- Optimize and preload the LCP image
- Reduce blocking JS/CSS
INP: responsiveness to interaction
INP improves when you ship less JS and reduce long tasks:
- Split bundles
- Remove unnecessary dependencies
- Defer non-critical work
CLS: visual stability
CLS is usually fixed by reserving space:
- Set explicit image dimensions
- Avoid injecting banners above content
- Use font loading strategies that don’t shift text
How to prioritize
- Pick your highest-traffic landing pages or money pages
- Baseline mobile performance
- Fix the largest bottleneck first
- Re-measure and repeat
Next: Technical SEO audit template.