Add to Dock
To make this website as an app its easy. You can see at upper left corner near apple icon and safari word there is file button when you press to it opens a small window and you can see share, export and add to dock you must click to add to dock choose the name for app and make the link or url like this https://eashobies.site/ it was like this https://eashobies.site/mac.html just delete the mac.html part and press add you will see that the icon of website will appear at the dock
Once added, you can access this website directly from your dock just like any other application.