Cox is ranked in second place with an average speed of 3.76 Mbps (up from 3.11 Mbps in Nov. 2014). BrightHouse, Cablevision Optimum, and Comcast are ranked 3rd, 4th, and 5th, respectively. Comcast, at 3.69 Mbps, jumped from the eighth position last month when their average internet performance was measured at 3.52 Mbps.
Netflix’s ISP Speed Index is a measure of prime time Netflix internet performance (not of an ISP’s overall performance). The company says faster Netflix performance generally means “better picture quality, quicker start times and fewer interruptions.”


Click on the Netflix table above to view the entire Top 15 in the US.