·By Bhavin Patel — Head - Adobe & Digital Experience
Google Core Web Vitals remain ranking and conversion signals in 2026. Ecommerce sites face unique challenges: image-heavy PDPs, third-party scripts, and dynamic cart widgets.
LCP: Optimize hero and PLP images with WebP/AVIF, responsive srcset, and CDN edge caching. Preload only the true LCP element — over-preloading hurts.
INP: Defer non-critical JavaScript, audit third-party tags (GTM container diet), and break up long tasks in checkout flows.
CLS: Reserve space for images, ads, and dynamic promo banners. Font-display: swap with matched fallbacks prevents layout shift.
Measure field data in Search Console and lab data in Lighthouse CI — fix regressions in CI before they reach production.
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