# Cross-link map: Routing Middleware: JS Reference (/docs/routing-middleware/js-reference)

> From the Vercel docs graph (built 2026-10-28T05:45:04.324Z), spanning vercel.com docs + KB, nextjs.org, ai-sdk.dev, and other Vercel documentation sites. Full graph as JSON: https://vercel.com/docs/graph.json

## Semantically closest pages

- [Getting Started with Routing Middleware](https://vercel.com/docs/routing-middleware/getting-started) — Learn how you can use Routing Middleware, code that executes before a request is processed on a site, to provide speed a
- [Routing Middleware](https://vercel.com/docs/routing-middleware) — Learn how you can use Routing Middleware, code that executes before a request is processed on a site, to provide speed a
- [Using the Node.js Runtime with Vercel Functions](https://vercel.com/docs/functions/runtimes/node-js) — Learn how to use the Node.js runtime to create Vercel Functions in JavaScript or TypeScript.
- [How to use Next.js as a backend for your frontend](https://nextjs.org/docs/app/guides/backend-for-frontend) — Learn how to use Next.js as a backend framework
- [Routing Middleware: Python Reference](https://vercel.com/docs/routing-middleware/python-reference) — Reference for writing Routing Middleware in Python with the vercel-proxy package, including setup, routes, requests, and

## Prerequisites

- [Routing Middleware](https://vercel.com/docs/routing-middleware) — Learn how you can use Routing Middleware, code that executes before a request is processed on a site, to provide speed a

## This page links to (7)

- [proxy.js](https://nextjs.org/docs/app/api-reference/file-conventions/proxy) — API reference for the proxy.js file.
- [Functions API Reference](https://vercel.com/docs/functions/functions-api-reference) — Learn about available APIs when working with Vercel Functions.
- [@vercel/functions API Reference \\(Node.js\\)](https://vercel.com/docs/functions/functions-api-reference/vercel-functions-package) — Learn about available APIs when working with Vercel Functions.
- [Using the Node.js Runtime with Vercel Functions](https://vercel.com/docs/functions/runtimes/node-js) — Learn how to use the Node.js runtime to create Vercel Functions in JavaScript or TypeScript.
- [Static Configuration with vercel.json](https://vercel.com/docs/project-configuration/vercel-json) — Learn how to use vercel.json to configure and override the default behavior of Vercel from within your project.
- [Routing Middleware](https://vercel.com/docs/routing-middleware) — Learn how you can use Routing Middleware, code that executes before a request is processed on a site, to provide speed a
- [Using the crypto Web API to redirect requests with a unique token](https://vercel.com/kb/guide/use-crypto-web-api) — Learn how to use the Crypto Web API in your Middleware.

## Pages that link here (5)

By site: vercel-docs (5)

- [Astro on Vercel](https://vercel.com/docs/frameworks/frontend/astro) — Deploy Astro sites to Vercel and configure server-side rendering, ISR, Web Analytics, Image Optimization, and Routing Mi
- [Next.js on Vercel](https://vercel.com/docs/frameworks/full-stack/nextjs) — Vercel is the native Next.js platform, designed to enhance the Next.js experience.
- [Static Configuration with vercel.json](https://vercel.com/docs/project-configuration/vercel-json) — Learn how to use vercel.json to configure and override the default behavior of Vercel from within your project.
- [Routing Middleware](https://vercel.com/docs/routing-middleware) — Learn how you can use Routing Middleware, code that executes before a request is processed on a site, to provide speed a
- [Getting Started with Routing Middleware](https://vercel.com/docs/routing-middleware/getting-started) — Learn how you can use Routing Middleware, code that executes before a request is processed on a site, to provide speed a