Mozilla Connect

When I do a Search in Google Chrome, I am able to click on the icon to the left of what I have searched for and drop it on the desktop so that I can do that search again. I cannot do that with Firefox. 

Ever since the latest update, I am having a huge lag, mostly noticeable at the Paramount+ site.The mouse lags when trying to get to a button. Once what I want to watch start playing, the video is not as clear as I was use to and even pauses once in a...