📄 tanstack/router/latest/docs/framework/solid/guide/document-head-management

Document head management is the process of managing the head, title, meta, link, and script tags of a document and TanStack Router provides a robust way to manage the document head for full-stack applications that use Start and for single-page applications that use @tanstack/solid-router. It provides:

Automatic deduping of title and meta tags
Automatic loading/unloading of tags based on route visibility
A composable way to merge title and meta tags from nested routes

For full-stack applications that use Start, and even for single-page applications that use @tanstack/solid-router, managing the document head is a crucial part of any application for the following reasons:

SEO
Social media sharing
Analytics
CSS and JS loading/unloading

To manage the document head, it's required that you render both the <HeadContent /> and <Scripts /> components and use the routeOptions.head property to manage the head of a route, which returns an object with title, meta, links, styles, and scripts properties.

Managing the Document Head
--------------------------

tsx

export const Route = createRootRoute({
  head: () => ({
    meta: [\
      {\
        name: 'description',\
        content: 'My App is a web application',\
      },\
      {\
        title: 'My App',\
      },\
    ],
    links: [\
      {\
        rel: 'icon',\
        href: '/favicon.ico',\
      },\
    ],
    styles: [\
      {\
        media: 'all and (max-width: 500px)',\
        children: `p {\
                  color: blue;\
                  background-color: yellow;\
                }`,\
      },\
    ],
    scripts: [\
      {\
        src: 'https://www.google-analytics.com/analytics.js',\
      },\
    ],
  }),
})


export const Route = createRootRoute({
  head: () => ({
    meta: [\
      {\
        name: 'description',\
        content: 'My App is a web application',\
      },\
      {\
        title: 'My App',\
      },\
    ],
    links: [\
      {\
        rel: 'icon',\
        href: '/favicon.ico',\
      },\
    ],
    styles: [\
      {\
        media: 'all and (max-width: 500px)',\
        children: `p {\
                  color: blue;\
                  background-color: yellow;\
                }`,\
      },\
    ],
    scripts: [\
      {\
        src: 'https://www.google-analytics.com/analytics.js',\
      },\
    ],
  }),
})

### Deduping

Out of the box, TanStack Router will dedupe title and meta tags, preferring the last occurrence of each tag found in nested routes.

title tags defined in nested routes will override a title tag defined in a parent route (but you can compose them together, which is covered in a future section of this guide)
meta tags with the same name or property will be overridden by the last occurrence of that tag found in nested routes

### <HeadContent />

The <HeadContent /> component is required to render the head, title, meta, link, and head-related script tags of a document.

It should be rendered either in the <head> tag of your root layout or as high up in the component tree as possible if your application doesn't or can't manage the <head> tag.

### Start/Full-Stack Applications

tsx

import { HeadContent } from '@tanstack/solid-router'

export const Route = createRootRoute({
  component: () => (
    <html>
      <head>
        <HeadContent />
      </head>
      <body>
        <Outlet />
      </body>
    </html>
  ),
})


import { HeadContent } from '@tanstack/solid-router'

export const Route = createRootRoute({
  component: () => (
    <html>
      <head>
        <HeadContent />
      </head>
      <body>
        <Outlet />
      </body>
    </html>
  ),
})

### Single-Page Applications

First, remove the <title> tag from the the index.html if you have set any.

tsx

import { HeadContent } from '@tanstack/solid-router'

const rootRoute = createRootRoute({
  component: () => (
    <>
      <HeadContent />
      <Outlet />
    </>
  ),
})


import { HeadContent } from '@tanstack/solid-router'

const rootRoute = createRootRoute({
  component: () => (
    <>
      <HeadContent />
      <Outlet />
    </>
  ),
})

Managing Body Scripts
---------------------

In addition to scripts that can be rendered in the <head> tag, you can also render scripts in the <body> tag using the routeOptions.scripts property. This is useful for loading scripts (even inline scripts) that require the DOM to be loaded, but before the main entry point of your application (which includes hydration if you're using Start or a full-stack implementation of TanStack Router).

To do this, you must:

Use the scripts property of the routeOptions object
Render the <Scripts /> component

tsx

export const Route = createRootRoute({
  scripts: () => [\
    {\
      children: 'console.log("Hello, world!")',\
    },\
  ],
})


export const Route = createRootRoute({
  scripts: () => [\
    {\
      children: 'console.log("Hello, world!")',\
    },\
  ],
})

### <Scripts />

The <Scripts /> component is required to render the body scripts of a document. It should be rendered either in the <body> tag of your root layout or as high up in the component tree as possible if your application doesn't or can't manage the <body> tag.

### Example

tsx

import { createFileRoute, Scripts } from '@tanstack/solid-router'
export const Router = createFileRoute('/')({
  component: () => (
    <html>
      <head />
      <body>
        <Outlet />
        <Scripts />
      </body>
    </html>
  ),
})


import { createFileRoute, Scripts } from '@tanstack/solid-router'
export const Router = createFileRoute('/')({
  component: () => (
    <html>
      <head />
      <body>
        <Outlet />
        <Scripts />
      </body>
    </html>
  ),
})

tsx

import { Scripts, createRootRoute } from '@tanstack/solid-router'

export const Route = createRootRoute({
  component: () => (
    <>
      <Outlet />
      <Scripts />
    </>
  ),
})


import { Scripts, createRootRoute } from '@tanstack/solid-router'

export const Route = createRootRoute({
  component: () => (
    <>
      <Outlet />
      <Scripts />
    </>
  ),
})

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