Content Guard js is a lightweight script to protect the DOM from being deleted or tampered with. It will be aware of any html movement to protect it.
There are many pages that require a subscription to continue reading an article, a login to continue on the page or a floating window to read a statement that requires an action, but what happens if the user deletes or manipulates it to skip it? ... this is the reason for this plugin. It will make it difficult to erase or manipulate it.
In the first mode it will appear again and in the second the page will be reloaded.