How to recover deleted photos from iCloud in Safari

When you delete a photo from the Recently Deleted folder, you are met with a warning that those photos will be permanently deleted. That is your chance to save those photos in another location if you do not want those photos removed forever. Continuing to delete those photos will do exactly what it says.

Nothing. You permanently deleted the photos when you emptied recently deleted. You can restore from your backups that you keep elsewhere.

Yes. Those items are permanently erased. No backup means no recovery.