GLOSSARY

Core Web Vitals

In brief: Google UX metrics (LCP, INP, CLS) that influence experience and indirectly trust/conversion.

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Related terms

LCP

Largest Contentful Paint: time to render the main visible content.

INP

Interaction to Next Paint: UI responsiveness during user interactions.

CLS

Cumulative Layout Shift: layout stability. Sudden shifts harm UX.

TTFB

Time To First Byte: server response time. Impacts LCP and perceived speed.

CDN

Content Delivery Network distributing assets (images/CSS/JS) globally for speed and stability.

Cache

Stores page versions for speed. Can cause price/stock mismatches if it freezes dynamic data.

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