This plugin works pretty well but I'm a forum user and MOST of the time when I'm using the back key to go to the previous page the plugin reverts the zoom factor back to 100%. I do have this set up correctly so before you start suggesting what I'm doing wrong I think I have it set up correctly. I imagine this may be a bug that needs to be looked into. I use the DAZ3D forums, current version of Firefox on Windows 10 Pro. Thanks!