---
title: CDN
description: Vercel's CDN is a globally distributed platform that stores content near your customers and runs compute in regions close to your data, reducing latency and improving end-user performance.
url: "https://vercel.com/kb/cdn"
published: 2026-01-08
last_updated: 2026-01-08
install_vercel_plugin: npx plugins add vercel/vercel-plugin
---

# CDN

Vercel's CDN is a globally distributed platform that stores content near your customers and runs compute in regions close to your data, reducing latency and improving end-user performance.

## All CDN guides

- [How to reduce Vercel Image Optimization costs](/kb/guide/reduce-image-optimization-costs-on-vercel): Learn how to reduce Vercel Image Optimization costs in Next.js by tuning cache TTLs, image sizes, formats, and quality. Diagnose high image transformation count and verify savings using the Vercel Dashboard.
- [How to revalidate Sitecore pages on publish with Next.js](/kb/guide/update-sitecore-content-manually): Learn how to use a Sitecore Experience Edge webhook and Next.js revalidatePath to refresh cached Sitecore Content SDK pages after each publish.
- [Caching audits: Five antipatterns that cost performance and money](/kb/guide/caching-antipatterns): Five caching antipatterns from hundreds of Vercel technical audits: write amplification, deploy-wiped caches, spinner shells, and how to diagnose each.
- [How to prepare your storefront for Black Friday traffic](/kb/guide/black-friday-preparation): A practical checklist for keeping your storefront fast and your checkout path healthy through Black Friday and Cyber Monday traffic, from load testing to instant rollback.
- [How to fix a domain suspended by serverHold or clientHold](/kb/guide/how-to-fix-a-domain-suspended-by-serverhold-or-clienthold): What serverHold and clientHold mean, why they happen, and how to resolve them.
- [Lifecycle of a domain](/kb/guide/lifecycle-of-a-domain): Understand the states a .com domain passes through from registration to deletion, and how to renew or recover it at each stage.
- [Managing Redirects from your CMS using Vercel Bulk Redirects](/kb/guide/managing-redirects-from-your-cms-using-vercel-bulk-redirects): Learn how to sync redirect rules from your CMS to Vercel at build time with vercel.ts, allowing non-technical teams to manage vanity URLs and product redirects without code changes.
- [Why is running another CDN on top of Vercel not recommended?](/kb/guide/why-running-another-cdn-on-top-of-vercel-is-not-recommended): Information about possible strategies when using a CDN on top of Vercel.
- [How to migrate from Fastly to Vercel with zero downtime](/kb/guide/how-to-migrate-from-fastly-to-vercel-with-zero-downtime): Consolidate your CDN infrastructure on Vercel to reduce latency, simplify your configuration, and improve your developer experience without interrupting service to your users.
- [How to resolve IP blocking issues](/kb/guide/how-to-resolve-ip-blocking-issues): Learn to troubleshoot IP blocking issues for both shared and personal networks.
- [Set cache control headers for functions](/kb/guide/set-cache-control-headers): Learn how to set headers to cache your function's responses.

## Explore other topics in the Vercel Knowledge Base

- [Jev from TypeSafe AI](/kb/jev-from-typesafe-ai): Jev is TypeSafe AI's System One model for fast, typed decisions. It evaluates supplied context and returns choices, scores, and probabilities that applications can use to classify requests, route tasks, and assess proposed actions without generating prose.
- [Vercel Sandbox](/kb/vercel-sandbox): The compute primitive designed to safely run untrusted or user-generated code on Vercel.
- [FDE Field Notes](/kb/fde): Insights from our work with customers. Explore the patterns, diagnostics, and recommendations Vercel’s Forward Deployed Engineers use in production.
- [Software Factory](/kb/software-factory): Software factories put an agent on every stage of your development loop: triage, planning against a live repo checkout, implementation verified with your own checks, and independent review. Work items become draft PRs while you keep the judgment calls.