Difference between revisions of "Add to Home Screen"

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[[Category: Best Practice]]
[[Category: Best Practice]]
[[Category: Browser]]

Latest revision as of 16:04, 26 May 2022

Full Title or Meme

Add to Home Screen is a feature of mobile computing devices that enables Progressive Web Apps to be available on the device's home screen.


  • The objective of the Progressive Web App is to duplicate nearly all of the functionality of a Native App which includes the ability of the user to access the app from their computing device, such as a Smartphone.
  • Like most web traffic in 2020 is secured with HTTPS and this feature requires HTTPS to be the transport layer.


  • The primary target of the PWA is the mobile Smartphone which has limited capabilities, in particular memory and battery energy. The impact to any resource on the Smartphone it is subject to removal to allow the phone functionality to operate unhindered.
  • Apple has taken the position in 2021 to remove any PWA that has not been used for (in practice) 2 weeks, but does not apply that same automatic removal to PWAs that have been added by the user to their home screen.
  • Make sure that the manifest.webmanifest file is downloaded as MIME type application/manifest+json if you get and error on the console like "The script has an unsupported MIME type ('text/html')."
  • Safari is the only browser allowed on iOS. Chrome, Edge, FireFox on iOS are all pseudo browsers, not real ones. They just use a webview so you can sync passwords and favorites. Don't expect this feature to work on iPhone etc.