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feat(seo): add page param to block Google indexing

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Add a `noindex` param to page front matter to block Google indexing for specific pages or directories. This is useful for avoiding duplicate content in search results or preventing indexing of pages that shouldn't appear in search engines.

- Adjust `head.html` for optional `noindex` param (default: false)
- Document usage in `configuration.md` and clarify Flexsearch section
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Matt Dodson 2025-05-17 18:35:26 -03:00 committed by GitHub
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2 changed files with 21 additions and 3 deletions
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21
exampleSite/content/docs/guide/configuration.md
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@ -243,7 +243,7 @@ There are three available options: `full`, `wide`, and `normal`. By default, the
Similarly, the width of the navbar and footer can be customized by the `params.navbar.width` and `params.footer.width` parameters.
### Search Index
### FlexSearch Index
Full-text search powered by [FlexSearch](https://github.com/nextapps-de/flexsearch) is enabled by default.
To customize the search index, set the `params.search.flexsearch.index` parameter in the config file:
@ -284,7 +284,7 @@ Options for [`flexsearch.tokenize`](https://github.com/nextapps-de/flexsearch/#t
- `reverse` - incrementally index words in both directions
- `full` - index every possible combination
To exclude a page from the search index, set the `excludeSearch: true` in the front matter of the page:
To exclude a page from the FlexSearch search index, set the `excludeSearch: true` in the front matter of the page:
```yaml {filename="content/docs/guide/configuration.md"}
---
@ -302,3 +302,20 @@ services:
googleAnalytics:
ID: G-MEASUREMENT_ID
```
### Google Search Index
To [block Google Search](https://developers.google.com/search/docs/crawling-indexing/block-indexing) from indexing a page, set `noindex` to true in your page frontmatter:
```yaml
title: Configuration (archive version)
params:
noindex: true
```
To exclude an entire directory, use the [`cascade`](https://gohugo.io/configuration/cascade/) key in the parent `_index.md` file.
> [!NOTE]
> To block search crawlers, you can make a [`robots.txt` template](https://gohugo.io/templates/robots/).
> However, `robots.txt` instructions do not necessarily keep a page out of Google search results.

3
layouts/partials/head.html
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@ -1,7 +1,8 @@
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
{{ if hugo.IsProduction -}}
{{- $noindex := .Params.noindex | default false -}}
{{ if and (hugo.IsProduction) (not $noindex) -}}
<meta name="robots" content="index, follow" />
{{ else -}}
<meta name="robots" content="noindex, nofollow" />