The presented solutions are honestly quite silly. Anything available on the web, an open platform, is free to view by design. To make it not free, you as a pub

The presented solutions are honestly quite silly. Anything available on the web, an open platform, is free to view by design. To make it not free, you as a publisher are required to take extra steps which do not presume control over the client computer. If you don't like this, perhaps the web platform is not the one you intended to use.