Requests the notification permission on page load

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Good notifications are timely, relevant, and precise. If your page asks for permission to send notifications on page load, those notifications may not be relevant to your users or their needs.

How the Lighthouse notification audit fails

Lighthouse flags pages that request notification permissions on load:

Lighthouse audit shows page requests notification permissions on load

Lighthouse checks all JavaScript executed on page load. If the code calls notification.requestPermission(), and notification permission has not already been granted, the audit fails.

If notification permission was granted to a page before the audit, Lighthouse can't identify any notification permission requests. So, make sure to reset permissions before running the audit.

Lighthouse reports the URL and line number of each request for notification permission.

Each Best Practices audit is weighted equally in the Lighthouse Best Practices Score. Learn more in The Best Practices score.

How to ask for users' notification permissions responsibly

Remove all calls to notification.requestPermission() that occur on page load.

To provide a better user experience:

  • Offer to send users a specific type of notification.
  • Present the permissions request after users opt in to the notification type.


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