Glossary · Delivery and rendering
Core Web Vitals
Google's field measurements of loading, interactivity and layout stability, drawn from real Chrome users. Two of the three describe rendering and interaction, which no AI crawler performs.
Delivery and rendering
What arrives on the wire, and what only exists after something else runs.
payload ratio · render dependence · render dependence gap · edge cache pinning · TTFB · CrUX · field data · prompt injection · Hydration mismatch · Dynamic rendering · DOM depth · Edge transformation · 202 interstitial · rate limiting · bot management platform
See it in the full glossary · 579 terms across 19 areas. Scan a site to see which of these apply to it.