The correct way to do this continues to be for sites to tag the content with some kind of rating and let the client device decide whether to show it based on ho

The correct way to do this continues to be for sites to tag the content with some kind of rating and let the client device decide whether to show it based on how the user's account is configured. This requires no ID of any kind because the child's parent or teacher knows their age, and kids buying a device on their own is no more or less of a problem than kids getting some high school senior or homeless adult to lend them their ID.