All of HTML Guard's various means of protection are based on modifications to your HTML code. For example, decryption of encrypted HTML files is accomplished through JavaScript code added to your pages by HTML Guard. Likewise, JavaScript is used to disable the right mouse key and selection of text.

Once HTML Guard has been applied to your pages, any JavaScript-enabled web browser can still interpret them. No changes are applied on the server side; HTML Guard does not make any additional demands on your web server, since all the protective measures execute in the user's browser.