Usage Data Changes for Firefox for iOS and Android

Firefox for Android,... Firefox for Android, Firefox for iOS Creada: 10/28/2021 66% of users voted this helpful
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Firefox began collecting new usage data to support the Firefox for iOS 39 and Android 94 releases to support personalization and the ability to customize your homepage. This data is stored on the client side only, as part of our existing history database.

Note that we are not collecting any personal information as part of this change.

Usage data being collected and used to support our new features


  • Total view time of the page
  • Search terms if the page was loaded from a search result page
  • Referrer URL if the page was loaded from another page
  • Referring application and/or category (for example, the application Twitter and its category Social that referred to open the page.
  • Document type (regular or media)


  • First and last visit times

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