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mintlify__docs/optimize/search-boost.mdx
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---
title: "Search boost"
description: "Bias your in-product documentation search ranking toward specific pages or sections using the boost multiplier in frontmatter or in docs.json navigation."
keywords: ["search ranking", "search boost", "boost", "search prioritization"]
---
Use `boost` to bias the in-product search ranking of specific pages or sections. The value is a numeric multiplier applied to each chunk's relevance score: `boost: 3` makes a chunk three times as relevant as it would be without a boost.
`boost` only affects the search bar on your Mintlify-hosted documentation site. It does not change how external search engines index your pages.
## Boost a single page
Set `boost` in a page's [frontmatter](/organize/pages) to multiply its search ranking.
```mdx
---
title: "Custom domain"
description: "Connect your custom domain to your Mintlify documentation."
boost: 3
---
```
## Boost a navigation group
Set `boost` on a group in your `docs.json` navigation to apply the multiplier to every page under it.
```json
{
"navigation": {
"groups": [
{
"group": "Get started",
"boost": 5,
"pages": [
"quickstart",
"concepts"
]
}
]
}
}
```
A page inherits the boost factor from its nearest ancestor that sets one. A child page or nested group can override the inherited boost by setting its own `boost` value. A page's frontmatter `boost` always wins over a value inherited from the navigation.
## De-prioritize content
Use a value below `1` to push pages further down in search results. For example, `boost: 0.5` halves a page's relevance score relative to other pages. A `boost` of `1` is equivalent to no boost.
```mdx
---
title: "Deprecated API"
description: "Documentation for the deprecated v1 API."
boost: 0.25
---
```
<Note>
Boost factors compose with the existing relevance score. Use them sparingly. Large multipliers can cause less-relevant pages to dominate search results and degrade overall search quality.
</Note>