Criticalperformanceuxseo+5 potential
Hero and gallery images ship 4.2MB per product page
Uncompressed PNGs and no responsive sources push LCP to 4.1s on mobile.
ImpactHigh
EffortMedium
Pages152
High confidence
Why it matters
Every 100ms of LCP measurably suppresses add-to-cart rate, and Core Web Vitals feed search evaluation.
Recommended fix
Serve AVIF/WebP with responsive srcset and defer below-fold gallery frames.
Evidence
- LCP 4.1s (mobile)
- Largest asset 1.9MB PNG
- No srcset on 84% of images