Cross-link map: Vercel CDN overview (/docs/cdn)From the Vercel docs graph (built 2026-09-21T05:26:59.511Z), spanning vercel.com docs + KB, nextjs.org, ai-sdk.dev, and other Vercel documentation sites. Full graph as JSON: https://vercel.com/docs/graph.jsonSemantically closest pagesHow Vercel CDN works — Learn how Vercel's CDN processes requests through routing, caching, and compute layers to deliver your content with lowCDN pricing and usage — Understand CDN pricing resources, monitor usage from your dashboard, and optimize Fast Data Transfer, Fast Origin TransfFlat Rate CDN — Flat Rate CDN gives you fixed monthly CDN pricing and protection against usage spikes across capacity tiers.Using Vercel as a Standalone CDN — Use Vercel's external rewrites to proxy and cache content from external websites or APIs through Vercel's global edge neCDN security — Learn how Vercel's CDN secures every request with HTTPS, TLS, DDoS mitigation, firewall protection, and security headersThis page links to (29)Caching — Learn how Vercel caches content across multiple layers to deliver fast responses and reduce load on your backend.Cache-Control headers — Learn about the cache-control headers sent to each Vercel deployment and how to use them to control the caching behaviorVercel CDN Cache — Learn how Vercel's CDN cache stores your content across a global network to reduce latency and origin load.Purging Vercel CDN Cache — Learn how to invalidate and delete cached content on Vercel's CDN, including cache keys and manual purging options.Runtime Cache — Vercel Runtime Cache is a specialized cache that stores responses from data fetches in Vercel functionsCDN security — Learn how Vercel's CDN secures every request with HTTPS, TLS, DDoS mitigation, firewall protection, and security headersEncryption and TLS — Learn how Vercel encrypts data in transit and at rest.Content Security Policy — Learn how the Content Security Policy \(CSP\) offers defense against web vulnerabilities, its key features, and best praCustom error pages — Learn how to configure custom error pages for 5xx server errors on Vercel.Environments — Environments are for developing locally, testing changes in a pre-production environment, and serving end-users in produVercel Functions — Build API routes, webhooks, and agent request handlers with Vercel Functions, then test and debug them with Vercel CLI.Streaming — Learn how to stream responses from Vercel Functions.Request headers — Learn about the request headers sent to each Vercel deployment and how to use them to process requests before sending aResponse headers — Learn about the response headers sent to each Vercel deployment and how to use them to process responses before sendingHow Vercel CDN works — Learn how Vercel's CDN processes requests through routing, caching, and compute layers to deliver your content with lowVercel CDN Compression — Vercel helps reduce data transfer and improve performance by supporting both Gzip and Brotli compressionImage Optimization with Vercel — Transform and optimize images to improve page load performance.Incremental Static Regeneration \(ISR\) — ISR serves cached static pages while regenerating content in the background. Vercel\\ISR Usage and Pricing — Learn about ISR costs, usage metrics, and strategies to optimize your ISR reads and writes.Getting started with ISR — Learn how to set up Incremental Static Regeneration \(ISR\) with time-based and on-demand revalidation.Request Collapsing — Learn how Vercel's CDN shields your origin during traffic surges for uncached routes.CDN pricing and usage — Understand CDN pricing resources, monitor usage from your dashboard, and optimize Fast Data Transfer, Fast Origin TransfFlat Rate CDN — Flat Rate CDN gives you fixed monthly CDN pricing and protection against usage spikes across capacity tiers.Global network and regions — View the list of regions supported by Vercel's CDN and learn about our global infrastructure.Routing — Learn how Vercel's CDN routes requests through firewall, project routes, and deployment routes before reaching your applRedirects — Learn how to use redirects on Vercel to instruct Vercel's platform to redirect incoming requests to a new URL.Rewrites on Vercel — Learn how to use rewrites to send users to different URLs without modifying the visible URL.Vercel Firewall — Learn how Vercel Firewall helps protect your applications and websites from malicious attacks and unauthorized access.Vercel WAF — Learn how to secure your website with the Vercel Web Application Firewall \(WAF\)Pages that link here (71)By site: nextjs (1) · vercel-changelog (3) · vercel-kb (21) · vercel-web (4) · vercel-docs (42)From nextjsHow to use and optimize videos — Recommendations and best practices for optimizing videos in your Next.js application.From vercel-changelogCaching details now available in Runtime LogsPython projects now support routing rulesVercel CDN gets a new dashboard experienceFrom vercel-kbCan I use my domain on Vercel with A records? — Point your apex domain to Vercel with an A record \(76.76.21.21 or your domain card's value\), pair it with a www CNAME,Build with an Express starter template — Deploy an Express app to Vercel from a template. Browse Express starters from Vercel and the community, then run them loBuild with a FastAPI starter template — Browse FastAPI starter templates for Vercel and deploy one in a few steps. Compare minimal, AI, agent, and full-stack FaBuild with a Flask starter template — Deploy a Flask app to Vercel from a starter template. Compare the Flask Hello World starter, AI SDK, alt text generator,Build with a Hono starter template — Deploy a Hono app to Vercel from a starter template. Compare the Hono API starter, MCP server, AI SDK, Slack Bolt, Next.Can I get a fixed IP address for my Vercel deployments? — Vercel deployments use dynamic IPs by default. Learn how Static IPs, Secure Compute, and AWS PrivateLink give you a fixeCan I use a proxy on top of my Vercel Deployment? — General information about using an external proxy to serve a Vercel Deployment.Should I use Cloudflare in front of Vercel? — Information on using Cloudflare together with Vercel.How do I reduce my build time with Next.js on Vercel? — Reduce Next.js build times on Vercel by pre-rendering fewer pages at build time, deferring generation with ISR and imageHow to improve Core Web Vitals — Improve Core Web Vitals \(INP, LCP, CLS\) with metric-specific fixes, field-data measurement, and Next.js/Vercel performHow to migrate from Fastly to Vercel with zero downtime — Consolidate your CDN infrastructure on Vercel to reduce latency, simplify your configuration, and improve your developerHow to choose a Salesforce Commerce Cloud storefront: PWA Kit, Storefront Next, or Next.js — Compare PWA Kit, Storefront Next, and a Next.js storefront on Vercel for Salesforce Commerce Cloud. Learn how caching, pHow to ship an Express app on Vercel — Deploy an Express app to Vercel with zero configuration. Configure response streaming, middleware, cron jobs, the Bun ruHow to ship a FastAPI app on Vercel — Deploy a FastAPI app to Vercel with zero configuration. Learn how the Python runtime, Vercel Functions, streaming, middlHow to ship a Flask app on Vercel — Deploy a Flask app to Vercel with zero configuration. Learn how to ship from a template, the Vercel CLI, or Git, and conHow to ship an H3 app on Vercel — Deploy an H3 app to Vercel with zero configuration. Learn to configure streaming, middleware, cron jobs, the Bun runtimeHow to ship a Hono app on Vercel — Deploy a Hono app to Vercel with zero configuration. Learn how to ship from a template, the Vercel CLI, or Git, and confTroubleshooting Build Error: "Build step did not complete within the maximum of 45 minutes" — Learn common reasons Vercel builds hit the 45-minute limit and how to reduce build times so your deployments stay fast aOG Image Generation: The Complete Customization Guide — Learn how to use custom fonts in your Vercel OG image, plus emoji, external images, non-Latin text, dynamic titles, andCan I use Vercel as a reverse proxy? — Learn how to use rewrites to proxy requests from Vercel to other deployments.Vercel vs Railway — A detailed guide to Vercel vs Railway: serverless vs always-on containers, container images via Dockerfile.vercel, frameFrom vercel-webBuild your own web frameworkIntroducing Flat Rate CDNUsing the latest Next.js 12.3 features on VercelReplacing Google Optimize with the Vercel Edge NetworkFrom vercel-docsVercel Primitives — Learn about the Vercel platform primitives and how they work together to create a Vercel Deployment.Managing Builds — Vercel allows you to increase the speed of your builds when needed in specific situations and workflows.Deploying & Redirecting Domains — Learn how to deploy your domains and set up domain redirects with this guide.Frameworks on Vercel — Vercel supports a wide range of the most popular frameworks, optimizing how your application builds and runs no matter wExpress on Vercel — Deploy Express applications to Vercel with zero configuration. Learn about middleware and Vercel Functions.Deploy a FastAPI app on Vercel — Deploy a FastAPI app on Vercel. Learn how the Python runtime, ASGI, static assets, and Vercel Functions work together.Deploy a Flask app on Vercel — Deploy a Flask app on Vercel. Learn how the Python runtime, WSGI, static assets, and Vercel Functions work together.Hono on Vercel — Deploy Hono applications to Vercel with zero configuration. Learn about observability, ISR, and custom build configuratiFrontends on Vercel — Vercel supports a wide range of the most popular frontend frameworks, optimizing how your application builds and runs noAstro on Vercel — Deploy Astro sites to Vercel and configure server-side rendering, ISR, Web Analytics, Image Optimization, and Routing MiReact Router on Vercel — Deploy React Router applications with SSR or SPA mode, then configure the Vercel preset, streaming, caching, and analytiFull-stack frameworks on Vercel — Vercel supports a wide range of the most popular backend frameworks, optimizing how your application builds and runs noDeploy a Django app on Vercel — Deploy a Django app on Vercel. Learn how the Python runtime, WSGI, ASGI, static assets, and Vercel Functions work togethNext.js on Vercel — Vercel is the native Next.js platform, designed to enhance the Next.js experience.Nuxt on Vercel — Deploy Nuxt applications to Vercel and configure rendering, functions, middleware, routing, image optimization, and cachRemix on Vercel — Deploy Remix applications to Vercel and configure the Vercel Vite preset, SSR, streaming, caching, and analytics.SvelteKit on Vercel — Deploy SvelteKit applications to Vercel and configure the adapter, rendering, streaming, ISR, analytics, and Routing MidVite + Nitro on Vercel — Add a backend to any Vite app with Nitro and deploy to Vercel with zero configuration.Supported Frameworks on Vercel — Learn about the frameworks that can be deployed to Vercel.Vercel Functions — Build API routes, webhooks, and agent request handlers with Vercel Functions, then test and debug them with Vercel CLI.Runtimes — Runtimes transform your source code into Functions, which are served by our CDN. Learn about the official runtimes suppoHow Vercel builds your application — Learn how Vercel transforms your source code into optimized assets ready to serve globally.Using Global Config — Learn how to use Global Configs in your projects.Managing Global Configs with Vercel REST API — Learn how to use the Vercel REST API to create and update Global Configs. You can also read data stored in Global ConfigGlossary — Learn about the terms and concepts used in Vercel's products and documentation.Image Optimization with Vercel — Transform and optimize images to improve page load performance.Legacy Pricing for Image Optimization — This page outlines information on the pricing and limits for the source images-based legacy option.Limits and Pricing for Image Optimization — This page outlines information on the limits that are applicable when using Image Optimization, and the costs they can iGetting started with Image Optimization — Learn how you can leverage Vercel Image Optimization in your projects.Integrating Vercel and Kubernetes — Deploy your frontend on Vercel alongside your existing Kubernetes infrastructure.CDN pricing and usage — Understand CDN pricing resources, monitor usage from your dashboard, and optimize Fast Data Transfer, Fast Origin TransfFlat Rate CDN — Flat Rate CDN gives you fixed monthly CDN pricing and protection against usage spikes across capacity tiers.Calculating usage of resources — Understand how Vercel measures and calculates your resource usage based on a typical user journey.Legacy Metrics — Learn about legacy usage metrics, including Bandwidth, Requests, Vercel Function Invocations, and Vercel Function ExecutProducts — Browse Vercel products for building, deploying, securing, observing, and scaling web applications.Projects overview — A project is where you deploy and operate frontend apps, APIs, backends, containers, and agent workloads on Vercel.Getting started with Speed Insights — Vercel Speed Insights provides you detailed insights into your website's performance. This quickstart guide will help yoVercel Blob — Vercel Blob is a scalable, cost-effective object storage service with private and public access modes for files up to 5Private Storage — Learn how to use private Vercel Blob storage to serve files with authenticationPublic Storage — Learn how to use public Vercel Blob storage to serve files accessible to anyone with the URLVercel Blob Pricing — Learn about the pricing for Vercel Blob.WAF Custom Rules — Learn how to add and manage custom rules to configure the Vercel Web Application Firewall \(WAF\).