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## Collect data

  • **Indexing** – The data collected in Optimizely Search & Navigation is, by default, the same data stored in the Optimizely Content Management System (CMS) and Customized Commerce database. To learn how to filter PII data from being indexing by Optimizely Search & Navigation, see [Filter PII data from being indexed](🔗).

  • **Statistics** – Optimizely Search & Navigation can collect statistics about searched and clicked data. An API for excluding data that matches patterns will be developed, to prevent PII data from being stored in statistics. To learn how to filter PII data from search statistics, see [Remove specific statistics from search index](🔗)

  • **Consent** – Optimizely Search & Navigation checks the request's Do Not Track (DNT) header to determine if statistics should be tracked for a user. The DNT functionality will be overridable soon, so that partners can build their own "Do not track" implementation.

See also [Collect data](🔗).

## Store data

  • **Indexing** – By default, Search & Navigation indexes the data stored in the CMS/Customized Commerce database. Data stored by Optimizely Search & Navigation should include no PII data. You can use the conventional API to prevent properties containing PII data from being stored in Optimizely Search & Navigation. Search & Navigation data is stored in Elastic Search, on virtual machines in the cloud.

  • **Statistics** – Optimizely Search & Navigation can store searched and clicked data in Elastic Search, on virtual machines. An API for excluding data that matches patterns will be developed, to prevent PII data from being stored in statistics.

See also [Store data](🔗).

## Use data

  • **Querying** – Data received from the querying API should be handled in the same way as data from the database. You should consider excluding PII data from the site.

  • **Statistics** – The API can fetch stored statistics. You should consider excluding PII data from the site.

See also [Data guidelines](🔗).

## Fetch data

You can fetch most types of data using the querying API. If you cannot fetch the data yourself, submit a request to the [Managed Services](🔗) team for fetching data. See also [Fetch and update data](🔗).

## Delete data

You can delete most types of data using the querying API. If you cannot delete the data yourself, submit a request to the [Managed Services](🔗) team for deleting data. See also [Delete data](🔗).