As to Firefox you could install NoScript to stop scripts from running in the browser.
As to your first question, that's all over the web so I'll answer with Firewall and NoScript and leave you to read more of the web about browsers.
Bob
From my limited experience with creating web pages I thought I knew how browsers worked. When you went to a web site, the server there would send a bunch of text files to your computer and your browser would construct the web page for you to view. This is how I was able to construct my own web page on my local computer without being connected to the internet, right?.. Then here is my question. When I was signing up for a web site data storage account they said, ' We monitor your mouse movements to enhance your security on our site'. So, if I am looking at their site which my browser (Firefox) has reconstucted on my local computer is Firefox broadcasting my local mouse movements to the site? If so, how do I prevent Firefox from sending anything unless I so direct it?
Thanks
Cland

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