It is a "Recommended" extension by Firefox which means: > The Firefox team, along with community input, handpicks each extension and conducts manual security r

It is a "Recommended" extension by Firefox which means: > The Firefox team, along with community input, handpicks each extension and conducts manual security reviews to ensure they comply with policies before being awarded the “Recommended” status. https://support.mozilla.org/en-US/kb/add-on-badges#w_recommended-extensions https://support.mozilla.org/en-US/kb/add-on-badges#w_recomme...