The legislation doesn't specify how websites should verify a user's age, but options include establishing a digital ID system or services that can estimate an individual's age based on a visual scan of their face.
Yeah, that's a greeeeat idea. People will obviously be totally on board with their computer taking their picture while they're gearing up to do that.
Regardless, all laws like this do are sell VPN subscriptions or push people to the real shady sites. As a consistent NDP voter (not that my vote matters in my Conservative riding) I sincerely hope they're making a show of reviewing this bill before dismissing it. We saw what happens when the NDP tries to move right of the Liberals under Mulcair - it's a bad move.