---
title: Vercel CDN
description: Cache and serve content to your users from Vercel's CDN.
url: "https://vercel.com/kb/vercel-cdn"
published: 2025-11-06
last_updated: 2025-11-06
install_vercel_plugin: npx plugins add vercel/vercel-plugin
---

# Vercel CDN

Cache and serve content to your users from Vercel's CDN.

## All Vercel 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.
- [How to choose a Salesforce Commerce Cloud storefront: PWA Kit, Storefront Next, or Next.js](/kb/guide/salesforce-pwa-kit-vs-storefront-next-vs-nextjs): Compare PWA Kit, Storefront Next, and a Next.js storefront on Vercel for Salesforce Commerce Cloud. Learn how caching, personalization, SCAPI, deployment, support, and migration effort change across the three options.
- [How to add per-request CSP nonces to CDN-cached HTML on Vercel](/kb/guide/csp-nonces-with-cdn-cache): Use Routing Middleware and a self-fetch to add a fresh CSP nonce to cached HTML without rendering the page again on every request.
- [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.
- [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.
- [How to troubleshoot stale content returned from the Vercel CDN when using an external proxy or CDN](/kb/guide/how-to-troubleshoot-stale-content-returned-from-the-edge-network-when-using-an-external-proxy-or-cdn): Learn how to diagnose and fix stale content issues when using external proxies or CDNs with Vercel. Understand troubleshooting strategies, and configuration best practices to ensure fresh content delivery.
- [Troubleshooting Build Error: "Serverless Function has exceeded the unzipped maximum size of 250 MB"](/kb/guide/troubleshooting-function-250mb-limit): Learn how to troubleshoot builds failing due to exceeding the maximum function size limit on Vercel.
- [Using Vercel as a Standalone CDN](/kb/guide/using_vercel_as_a_cdn): Use Vercel's external rewrites to proxy and cache content from external websites or APIs through Vercel's global edge network.
- [Can I use a proxy on top of my Vercel Deployment?](/kb/guide/can-i-use-a-proxy-on-top-of-my-vercel-deployment): General information about using an external proxy to serve a Vercel Deployment.
- [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.
- [Set cache control headers for functions](/kb/guide/set-cache-control-headers): Learn how to set headers to cache your function's responses.
- [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.

## 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.