mkdocs-material/docs/setup/setting-up-site-analytics.md

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# Setting up site analytics

As with any other service offered on the web, understanding how your project
documentation is actually used can be an essential success factor. Material for
MkDocs natively integrates with [Google Analytics] and offers a customizable
[cookie consent][extra.consent] and a [feedback widget]
[extra.analytics.feedback].

  [Google Analytics]: https://developers.google.com/analytics
  [extra.consent]: #cookie-consent
  [extra.analytics.feedback]: #was-this-page-helpful

## Configuration

### Google Analytics

[:octicons-tag-24: 7.1.8][Google Analytics support] ·
:octicons-milestone-24: Default: _none_

Material for MkDocs integrates with both, Google Analytics 4 and the now phasing
out Universal Analytics. Depending on the given property prefix, add the
following lines to `mkdocs.yml`:

=== ":material-google-analytics: Google Analytics 4"

    ``` yaml
    extra:
      analytics:
        provider: google
        property: G-XXXXXXXXXX
    ```

=== ":material-google-analytics: Universal Analytics"

    ``` yaml
    extra:
      analytics:
        provider: google
        property: UA-XXXXXXXX-X
    ```

  [Google Analytics support]: https://github.com/squidfunk/mkdocs-material/releases/tag/7.1.8

??? question "How to measure site search usage?"

    Besides page views and events, [site search] can be tracked to better
    understand how people use your documentation and what they expect to find.
    In order to enable site search tracking, the following steps are required:

    1.  Go to your Google Analytics __admin settings__
    2.  Select the property for the respective tracking code
    3.  Go to the __view settings__ tab
    4.  Scroll down and enable __site search settings__
    5.  Set the __query parameter__ to `q`

    Note that currently, site search tracking is not supported with Google
    Analytics 4 due to the more complicated manual setup. If you want to set up
    site search tracking yourself, [this tutorial][tutorial] is a good start.

  [site search]: setting-up-site-search.md
  [tutorial]: https://www.analyticsmania.com/post/track-site-search-with-google-tag-manager-and-google-analytics/

### Was this page helpful?

[:octicons-heart-fill-24:{ .mdx-heart } Insiders][Insiders]{ .mdx-insiders } ·
[:octicons-tag-24: insiders-3.2.0][Insiders] ·
:octicons-milestone-24: Default: _none_

A simple [feedback widget] can be included at the bottom of each page,
encouraging users to give instant feedback whether a page was helpful or not.
Add the following lines to `mkdocs.yml`:

``` yaml
extra:
  analytics: # (1)
    feedback:
      title: Was this page helpful?
      ratings:
        - icon: material/emoticon-happy-outline
          name: This page was helpful
          data: 1
          note: >-
            Thanks for your feedback!
        - icon: material/emoticon-sad-outline
          name: This page could be improved
          data: 0
          note: >- # (2)
            Thanks for your feedback! Help us improve this page by
            using our <a href="..." target=_blank>feedback form</a>.
```

1.  This feature is natively integrated with [Google Analytics][extra.analytics],
    which is why `provider` and `property` are also required. However, it's also
    possible to provide a [custom feedback integration].

2.  You can add arbitrary HTML tags to the note which is shown after the user
    submitted the feedback, e.g. to link to a feedback form.

Both properties, `title` and `ratings`, are required. Note that it's allowed to
define more than two ratings, e.g. to implement a 1-5 star rating. Since the
feedback widget sends data to a third-party service, it is, of course, natively 
integrated with the [cookie consent][extra.consent] feature[^1].

  [^1]:
    If the user doesn't accept the `analytics` cookie, the feedback widget is
    not shown.

??? question "How to visualize the collected feedback ratings?"

    It's quite easy to build a custom report with [Google Analytics] that will
    quickly show you the worst- and best-rated pages of your project
    documentation. You can generate a custom report with the following steps:

    1. Go to your Google Analytics __dashboard__
    2. Open the __customization__ panel on the left and go to __custom reports__
    3. Create a __new custom report__ and set a custom __title__ and __name__
    4. Add `Avg. Value` and `Total Events` to __metric group__
    5. Add `Event Label` to __dimension drilldown__
    6. Add `Event Category` to __filters__ and filter for the value __feedback__

    Now, after you've saved the report and collected some feedback ratings, 
    you'll have a list of all pages with the total number of ratings, and an
    average rating per page. This should help you identify pages that need to
    be improved:

    [![feedback report]][feedback report]

The following properties must be set for each rating:

`icon`{ #feedback-rating-icon }

:   :octicons-milestone-24: Default: _none_ · :octicons-alert-24: Required –
    This property must point to a valid icon path referencing [any icon bundled
    with the theme][custom icons], or the build will not succeed. Some popular
    combinations:

    * :material-emoticon-happy-outline: + :material-emoticon-sad-outline: – `material/emoticon-happy-outline` + `material/emoticon-sad-outline`
    * :material-thumb-up-outline: + :material-thumb-down-outline: – `material/thumb-up-outline` + `material/thumb-down-outline`
    * :material-heart: + :material-heart-broken: – `material/heart` + `material/heart-broken`

`name`{ #feedback-rating-name }

:   :octicons-milestone-24: Default: _none_ · :octicons-alert-24: Required –
    The value of this property is shown on user interaction (i.e. keyboard focus
    or mouse hover), explaining the meaning of the rating behind the icon.

`data`{ #feedback-rating-data }

:   :octicons-milestone-24: Default: _none_ · :octicons-alert-24: Required –
    The value of this property is sent as a data value with the custom event
    that is transmitted to Google Analytics[^2] (or any custom integration).

  [^2]:
    Note that for Google Analytics, the data value must be an integer.

`note`{ #feedback-rating-note }

:   :octicons-milestone-24: Default: _none_ · :octicons-alert-24: Required –
    The value of this property is shown after the user selected the rating.
    It may contain arbitrary HTML tags, which is especially useful to ask the
    user to provide more detailed feedback for the current page through a form.
    It's also possible to pre-fill forms with the path to the current page by
    using the `{}` placeholder, e.g.:

    ``` url
    https://github.com/<username>/<repository>/issues/new/?title=[Feedback]+{}
    ```

    In this example, when clicking the link, the user is redirected to the "new 
    issue" form of your repository, with a pre-filled title including the path
    of the current document, e.g.:

    ```
    [Feedback] /setup/setting-up-site-analytics/
    ```

    An alternative to GitHub issues is [Google Forms].

  [feedback widget]: #feedback
  [extra.analytics]: #google-analytics
  [feedback report]: ../assets/screenshots/feedback-report.png
  [custom feedback integration]: #custom-site-feedback
  [custom icons]: https://github.com/squidfunk/mkdocs-material/tree/master/material/.icons
  [Google Forms]: https://www.google.com/forms/about/

### Cookie consent

[:octicons-heart-fill-24:{ .mdx-heart } Insiders][Insiders]{ .mdx-insiders } ·
[:octicons-tag-24: insiders-2.10.0][Insiders] ·
:octicons-milestone-24: Default: _none_

Material for MkDocs ships a native and extensible cookie consent form which
asks the user for his consent prior to sending any data via analytics. Add the
following to `mkdocs.yml`:

``` yaml
extra:
  consent:
    title: Cookie consent
    description: >- # (1)
      We use cookies to recognize your repeated visits and preferences, as well
      as to measure the effectiveness of our documentation and whether users
      find what they're searching for. With your consent, you're helping us to
      make our documentation better.
```

1.  You can add arbitrary HTML tags in the `description`, e.g. to link to your
    terms of service or other parts of the site.

Note that both, `title` and `description`, are required. If Google Analytics
was configured via `mkdocs.yml`, the cookie consent will automatically include
a setting for the user to disable it. Furthermore, [custom cookies] can be
integrated by using the `cookies` field:

===  "Custom cookie name"

    ``` yaml
    extra:
      consent:
        cookies:
          analytics: Custom name # (1)
    ```

    1. The default name of the `analytics` cookie is `Google Analytics`.

===  "Custom cookie"

    ``` yaml
    extra:
      consent:
        cookies:
          analytics: Google Analytics # (1)
          custom: Custom cookie
    ```

    1. If you add a custom cookie to the `cookies` field, the `analytics` cookie 
       must be added back explicitly, or analytics won't be triggered.

When a user first visits your site, a cookie consent form is rendered:

[![extra.consent enabled]][extra.consent enabled]

In order to comply with GDPR, users must be able to change their cookie settings
at any time. This can be done by creating a simple link as part of any document,
e.g. your privacy policy:

``` markdown
[Change cookie settings](#__consent){ .md-button }
```

  [Insiders]: ../insiders/index.md
  [custom cookies]: #custom-cookies
  [extra.consent enabled]: ../assets/screenshots/consent.png

## Customization

### Custom site analytics

In order to integrate another analytics service provider offering a 
JavaScript-based tracking solution, just follow the guide on [theme extension]
and create a new partial in the `overrides` folder. The name of the partial is
used to configure the custom integration via `mkdocs.yml`:

=== ":octicons-file-code-16: partials/integrations/analytics/custom.html"

    ``` html
    <script>
      /* Add custom analytics integration here, e.g. */
      var property = "{{ config.extra.analytics.property }}" // (1)

      /* Wait for page to load and application to mount */
      document.addEventListener("DOMContentLoaded", function() {
        location$.subscribe(function(url) {
          /* Add custom page event tracking here */ // (2)
        })
      })
    </script>
    ```

    1.  As an example, this variable receives the value set in `mkdocs.yml`,
        which is `"foobar"` for `property`.
    2.  If you're using [instant loading], you can use the `location$`
        observable to listen for navigation events, which always emits the
        current `URL`.

=== ":octicons-file-code-16: mkdocs.yml"

    ``` yaml
    extra:
      analytics:
        provider: custom
        property: foobar # (1)
    ```

    1.  You can add arbitrary key-value combinations to configure your
        custom integration. This is especially useful if you're sharing the
        custom integration across multiple repositories.

  [theme extension]: ../customization.md#extending-the-theme
  [instant loading]: setting-up-navigation.md#instant-loading

### Custom site feedback

A custom feedback widget integation just needs to process the events that are
generated by users interacting with the feedback widget with the help of some
[additional JavaScript]:

=== ":octicons-file-code-16: docs/javascripts/feedback.js"

    ``` js
    var feedback = document.forms.feedback
    feedback.addEventListener("submit", function(ev) {
      ev.preventDefault()

      /* Retrieve and send feedback */
      var page = document.location.pathname
      var data = ev.submitter.getAttribute("data-md-value")
    })
    ```

=== ":octicons-file-code-16: mkdocs.yml"

    ``` yaml
    extra_javascript:
      - javascripts/feedback.js
    ```

### Custom cookies

If you've customized the [cookie consent][extra.consent] and added a `custom`
cookie, the user will be prompted to accept your custom cookie. Use [additional
JavaScript] to check whether the user accepted it:

=== ":octicons-file-code-16: docs/javascripts/consent.js"

    ``` js
    var consent = __md_get("__consent")
    if (consent && consent.custom) {
      /* The user accepted the cookie */
    }
    ```

=== ":octicons-file-code-16: mkdocs.yml"

    ``` yaml
    extra_javascript:
      - javascripts/consent.js
    ```

&nbsp;
{ #feedback style="margin: 0; height: 0" }

  [additional JavaScript]: ../customization.md#additional-javascript