mkdocs-material/docs/plugins/search.md

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---
template: overrides/main.html
---
# Search
The [built-in search plugin][1] provides client-side search inside the browser
and is implemented using [lunr.js][2] which includes stemmers for the English
language by default, while stemmers for other languages are included with
[lunr-languages][3], both of which are integrated with this theme.
[1]: https://www.mkdocs.org/user-guide/configuration/#search
[2]: https://lunrjs.com
[3]: https://github.com/MihaiValentin/lunr-languages
## Installation
The search plugin is a built-in plugin, and thus doesn't need to be installed.
## Configuration
Add the following lines to `mkdocs.yml`:
``` yaml
plugins:
- search
```
### Language
> Default: best match for `theme.language`, automatically set
Material for MkDocs selects the (best-)matching stemmer for the given theme
language. Multilingual search can be enabled in `mkdocs.yml` by explicitly
defining the search language(s):
``` yaml
plugins:
- search:
lang:
- en
- de
- ru
```
The following language codes are supported:
<style>
.md-language-list {
-webkit-columns: 2;
-moz-columns: 2;
columns: 2;
}
.md-language-list li {
-webkit-column-break-inside: avoid;
page-break-inside: avoid;
break-inside: avoid;
}
</style>
<ul class="md-language-list">
<li><code>ar</code> / Arabic</li>
<li><code>da</code> / Danish</li>
<li><code>du</code> / Dutch</li>
<li><code>en</code> / English</li>
<li><code>fi</code> / Finnish</li>
<li><code>fr</code> / French</li>
<li><code>de</code> / German</li>
<li><code>hu</code> / Hungarian</li>
<li><code>it</code> / Italian</li>
<li><code>ja</code> / Japanese</li>
<li><code>no</code> / Norwegian</li>
<li><code>pt</code> / Portugese</li>
<li><code>ro</code> / Romanian</li>
<li><code>ru</code> / Russian</li>
<li><code>es</code> / Spanish</li>
<li><code>sv</code> / Swedish</li>
<li><code>th</code> / Thai</li>
<li><code>tr</code> / Turkish</li>
<li><code>vi</code> / Vietnamese</li>
</ul>
!!! warning "Only specify the languages you really need"
Be aware that including support for other languages increases the general
JavaScript payload by around 20kb (before `gzip`) and by another 15-30kb
per language.
### Tokenization
> Default: `[\s\-]+`
The separator for tokenization can be customized which makes it possible to
index parts of words that are separated by `-` or `.`:
``` yaml
plugins:
- search:
separator: [\s\-\.]+
```
### Prebuilding :hatching_chick:
> Default: `false`
MkDocs can generate a [prebuilt index][4] of all pages during build time, which
provides performance improvements at the cost of more bandwidth. This may be
beneficial for large documentation projects that are served with appropriate
HTTP headers (e.g. `Content-Encoding: gzip`).
Material for MkDocs 5 finally brings experimental support for prebuilt indexes
which can be enabled by adding the following lines to `mkdocs.yml`:
``` yaml
plugins:
- search:
prebuild_index: true
```
[4]: https://www.mkdocs.org/user-guide/configuration/#prebuild_index
## Usage
When enabled, a search bar is shown in the header.