> For the complete documentation index, see [llms.txt](https://docs.umbraco.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.umbraco.com/umbraco-engage/developers/analytics/extending-analytics.md).

# Extending Analytics

Discover how to enhance the accuracy of your Umbraco Engage Analytics by replacing  specific extractors to collect additional or more accurate data.

Data collection is essential to the Umbraco Engage Analytics feature. When a visitor requests a page on your website, the web request is analyzed for relevant information, which is then stored in the database.

However, there may be times when the data collected is not entirely accurate, or you might have additional data to complement the Umbraco Engage dataset. In the following articles, we will explain how to replace specific **extractors** that obtain particular pieces of information from a request.


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