How To Verify That A Browser Extension Is Not Phoning Home

Extensions are little helper programs that make life on the Internet a tad more comfortable for the user. Some change the way we access information on the Internet, others add extra features and functionality to a website, and others help you stay safe and secure online. Most Internet users who use extensions never bother to look at the extension’s source code to verify that it is only doing what it is supposed to do, and nothing else.
How To Verify That A Browser Extension Is Not Phoning Home