Glossary · Delivery and rendering

render dependence

How much of a page's meaning exists only after JavaScript runs. Crawlers that do not execute scripts see whatever the server sent, which on some sites is a shell.

Delivery and rendering

What arrives on the wire, and what only exists after something else runs.

payload ratio · render dependence gap · edge cache pinning · TTFB · Core Web Vitals · CrUX · field data · prompt injection · Hydration mismatch · Dynamic rendering · DOM depth · Edge transformation · 202 interstitial · rate limiting · bot management platform

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