Great question! Yes, there are limits, but we’re generally talking megabytes here. It varies from browser to browser and depends on the available space on the device.
April 16th, 2020
@FutureSyncConf Anonymous asks:
Is there a limit to the amount of local storage a PWA can use?
But files stored using the Cache API are less likely to be deleted than files stored in the browser cache.
More worrying is the announcement from Apple to only store files for a week of browser use: