SpeedTest.net this week announced its first-ever awards for ISPs in the U.S. and it found that Comcast’s Xfinity was the fastest overall service with an average download speed of just under ...

Comcast's claims that it offers the "fastest Internet in America" and the "fastest in-home WiFi" risk misleading consumers and should be stopped, according to an advertising watchdog administered ...

Comcast Corp. and Time Warner Cable Inc., the two largest U.S. cable companies, said Tuesday that they would start tests Thursday to prevent congestion on the high-speed Internet networks their ...

Comcast has demonstrated internet speeds greater than 4 gigabits per second (Gbps) in both directions using a Broadcom chip.

Want to check your speed? Go to speedtest.net before resetting your modem, and revisit the site afterward. Rates for many Comcast cable TV and Internet plans went up at the start of the month.