Suggestions for adding "plug-in on demand" features in the qupzilla browser

Components

QupZilla is a free and open-source web browser, intended for general users. QupZilla is licensed under GPLv3.
QupZilla makes use of Qt WebEngine to support modern web standards.It provides several icon sets and other elements to match the native look and feel of users' desktop operating systems

Proposal

I suggest to add some features in qupzilla browser, such as " plug-in on demand"

Mockups / Examples

Below the screen shot shows the current selection used for the qupzilla browser:

Below the screen shot shows how options in qupzilla should be added :

Benefits

If you check the "enable plug-in on demand" box, it automatically blocks the content that appears and has certain plug-ins, and the benefits will be felt when you open a web page containing one or more flash animations, such as Youtube whose pages are often full advertisement.