# Google Analytics Blocker Detection

When a visitor runs an Adblocker or cookieblocker the visitor is likely not tracked in Google Analytics. With Umbraco Engage you can still track this visitor.

This is made possible by a JavaScript file that you can include before the closing `body`-tag in your HTML:

```js
<script src="/Assets/Umbraco.Engage/Scripts/umbracoEngage.analytics.blockerdetection.js"></script>
```

{% hint style="info" %}
The following Google Analytics blocker detection script loading types are currently not supported: "async" or "defer".
{% endhint %}

If you include the script one of the following events is sent:

* If Google Analytics is blocked in the browser of the visitor: `umbEngage("send", "event", "Tracking", "Blocked", "Google Analytics");`
* Otherwise, the following event is sent: `umbEngage("send", "event", "Tracking", "Allowed", "Google Analytics");`

To see the statistics of this event go to the Analytics section of Umbraco Engage and open the 'Events' report. Look for the category with the name 'Tracking'.


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.umbraco.com/umbraco-engage/developers/analytics/client-side-events-and-additional-javascript-files/google-analytics-blocker-detection.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.