Nuxt/docs/3.api/1.components/1.client-only.md

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---
title: '<ClientOnly>'
description: Render components only in client-side with the <ClientOnly> component.
links:
- label: Source
icon: i-simple-icons-github
to: https://github.com/nuxt/nuxt/blob/main/packages/nuxt/src/app/components/client-only.ts
size: xs
---
The `<ClientOnly>` component is used for purposely rendering a component only on client side.
::note
The content of the default slot will be tree-shaken out of the server build. (This does mean that any CSS used by components within it may not be inlined when rendering the initial HTML.)
::
## Props
- `placeholderTag` | `fallbackTag`: specify a tag to be rendered server-side.
- `placeholder` | `fallback`: specify a content to be rendered server-side.
```vue
<template>
<div>
<Sidebar />
<!-- The <Comment> component will only be rendered on client-side -->
<ClientOnly fallback-tag="span" fallback="Loading comments...">
<Comment />
</ClientOnly>
</div>
</template>
```
## Slots
- `#fallback`: specify a content to be rendered on the server and displayed until `<ClientOnly>` is mounted in the browser.
```vue [pages/example.vue]
<template>
<div>
<Sidebar />
<!-- This renders the "span" element on the server side -->
<ClientOnly fallbackTag="span">
<!-- this component will only be rendered on client side -->
<Comments />
<template #fallback>
<!-- this will be rendered on server side -->
<p>Loading comments...</p>
</template>
</ClientOnly>
</div>
</template>
```