Nuxt/docs/content/3.docs/1.usage/7.ssr.md

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# SSR utilities
Nuxt provides composables and utilities for first-class server-side-rendering support.
## useRequestHeaders
Within your pages, components, and plugins you can use `useRequestHeaders` to access the incoming request headers.
```js
// Get all request headers
const headers = useRequestHeaders()
// Get only cookie request header
const headers = useRequestHeaders(['cookie'])
```
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On client side, `useRequestHeaders` will return an empty object.
::