GLOSSARY TERM
What is CDN (Content Delivery Network)?
Definition
A network of geographically distributed servers that cache and serve your content from the location nearest each visitor — reducing latency and origin-server load.
Why it Matters for AI Search
For sites with global audiences, a CDN can cut TTFB by 200-500ms — directly improving LCP and FCP. Cloudflare, Fastly, and Vercel offer free or low-cost tiers that cover most small business needs.
Related Terms
HTTP/2HTTP/3TTFB (Time to First Byte)Interaction to Next Paint (INP)Search Quality Rater GuidelinesCrawl Budget
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