Comcast announced a free-of-charge speed increase for more than 20 million customers on top of several other new perks.

Visit our full methodology page and advertising disclosure to learn more. AT&T and Xfinity are two of the largest internet providers in the U.S., collectively covering nearly 70% of the country.

With upgraded speeds, Xfinity customers can download files a ... streaming without spending hours waiting for something to install. Just make sure you have a router that takes full advantage ...