Cox Communications

Cox Speed Test

See Cox's speed test results over the past 12 months or enter your zip code below to see if broadband internet from Cox Communications is available in your area.

Download Speed and Latency Test

Whether Cox Communications is your internet provider or you use a different provider, the speed test below can show key statistics about your internet connection.

Note: This speed test can be used to test any internet provider, not just Cox.

If your Cox Communications speed test result is lower than expected, try resetting your router or call Cox Communications customer service for additional assistance.

1,000MBPS Maximum Advertised
Download Mbps
103.50MBPS User Speed Test
Download Mbps
Top 10 Fastest In State
72.20ms Average Latency
16,200,280 Speed Tests
FROM Cox Customers
258.89ms Average Jitter

Fastest Cities for Cox Internet Service

Rancho Santa Fe, CA300 mbps529 mbps
Hackett, AR300 mbps302 mbps
Sapulpa, OK300 mbps299 mbps
West Covina, CA300 mbps290 mbps
West Hartford, CT300 mbps289 mbps

Cox Fastest Download Speeds Over Time

Cox Average Download Speeds Over Time

Cox Cable Speed Test FAQ

Cox Internet speed test averages shown in the statistics area above are based on M-Labs data from the past twelve months. M-Labs is one of the largest databases of public speed test information online, and is embedded in Google results as well as BroadbandNow.

Cox speed averages use 90th percentile statistics, which result in a better overall picture of their performance as a provider. These averages drop the low-quality tests near zero, which are almost always due to an error on the client side (malfunctioning WiFi router, poorly configured home network, etc).

Cox Cable Download vs Upload: What’s the Difference?

Cox plans are advertised according to download speed, but many customers don’t realize the upload speeds are much lower. This is actually normal among cable providers, and it’s a problem caused by limited bandwidth in the coaxial cable wires they use to deliver your Internet service.

Netflix, YouTube, and other “over the top” video providers are the highest-bandwidth uses most customers have for their Internet connection. Providers like Cox prioritize download speeds because upload isn’t really necessary for most video services. The exception is video chat platforms like Skype or Twitch, which need to send video files up as well as down. Cox upload speeds are usually above 5 Mbps, which is enough for the average user.

Cox Cable: Is Cable the Fastest Internet?

Cox cable isn’t the fastest Internet option in the USA, but it’s almost always the fastest option in the suburban areas they serve. Fiber is the only technology that outstrips cable in terms of speed and bandwidth. For now, most of Cox’s service areas don’t have fiber to the home — except for those where Cox has built out their own fiber services.

Frequently Asked Questions about Cox Communications

  • What is the fastest Internet speed for Cox?

    The fastest Internet plan from Cox offers speeds of up to 1000 Mbps and costs $119.99.

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