Hi

Some add-ons are blocked from being used on some Mozilla websites which I believe is done for security reasons.

Hi Paul,

Does that mean that Mozilla sees this extension as generally unsafe? I was a bit cautious to activate it at the beginning, but then I saw it's used by 1,3 million people and read that it could generally be trusted? I definitely think that we need a native one, and I find it incredibly strange that people still use white backgrounds, especially with newer screens.

This extension should have Run on sites with restrictions option. Just select Allow and it should work here.