You can use a WordPress content copy protection plugin or something like Hide My WP Ghost which would probably work to prevent regular users from figuring out what site type you have. You will not fool any professionals though. There are many different ways to tell what type of site you have without checking the Source Code of a website.
Thank you for your swift reply and for recommending Hide My WP Ghost.
I’m keen on implementing this feature to bolster the security of my website. Please understand that my intention is far from deceptive; my aim is purely to add another layer of protection 🙂