Internet Speed Cox Speed Test

Check your device's connection to Cox internet and explore ways to boost your internet speeds. See your current upload and download speeds in just seconds using the speed test to the right.  

Internet Speed Test

Is your internet fast enough? Test internet speeds at your location with a single click.

Cox Contact Options


Customer Service Number

Have a question regarding your Cox internet? Cox customer service has a different phone number based on your location, so find your correct Cox customer service number at the link below. If you don't want to call, you can also contact the Cox customer service team through live chat, @CoxHelp on Twitter, and online forums.          

Contact Cox

New Customers

Interested in learning about Cox internet service? Call the number below to speak to a representative who can help.

Cox Internet Plans

Internet Plans

#1
Cox
Cox

Go Fast

  • Fiber 300/25 Mbps
  • 1280GB Data
$55/mo
for 24 months. Available in select locations
#2
Cox
Cox

Go Even Faster

  • Fiber 500/50 Mbps
  • 1280GB Data
$85/mo
for 24 months. Available in select locations
#3
Cox
Cox

Go Fast + Mobile Unlimited

  • Fiber 300/25 Mbps
  • 1280GB Data
$90/mo
for 24 months. Available in select locations.
#4
Cox
Cox

Go Super Fast

  • Fiber 1000/100 Mbps
  • 1280GB Data
$100/mo
for 24 months. Available in select locations
#5
Cox
Cox

Go Beyond Fast

  • Fiber 2000/100 Mbps
  • 1280GB Data
$115/mo
for 24 months. Available in select locations

Compare Other Cable Internet Plans

Internet Plans

#1
WOW!
WOW!

Internet 300

  • Cable 300/20 Mbps
  • Unlimited Data
$20/mo
with AutoPay
+ $10 Upfront
#2
Optimum
Optimum

300 Mbps Internet

  • Cable 300/300 Mbps
  • Unlimited Data
$25/mo
with $10/month eligible Auto Pay & Paperless Bill. Wired connection. WiFi speeds may vary. Not available in all areas.
#3
Optimum
Optimum

300 Mbps Internet

  • Cable 300/300 Mbps
  • Unlimited Data
$25/mo
with $10/month eligible Auto Pay & Paperless Bill. Wired connection. WiFi speeds may vary. Not available in all areas.
#4
WOW!
WOW!

Internet 600

  • Cable 600/50 Mbps
  • Unlimited Data
$30/mo
with AutoPay
+ $10 Upfront
#5
Xfinity
Xfinity

300 Mbps

  • Cable 300/35 Mbps
  • Unlimited Data
  • Deal: Get simple, seamless WiFi with 99% reliability. $40/mo for 5 years. No contracts, no data caps + equipment included.
$40/mo
5 year price guarantee

Cox FAQs


What is a "good internet speed"?

A "good internet speed" can differ based on what you use the internet for and how many people are using your internet at the same time. In order to know what internet speed will work best for your household, consider the following minimum recommended speeds for various internet activities: 1Mbps for web browsing, emailing, and social media; 3-25Mbps for video streaming with services like Netflix and Hulu; and 3-6Mbps for online gaming, live streaming, and video calling with services like Skype or Facetime. Considering these different activities across multiple devices, the average household could consider 15-20Mbps a "good" internet speed.

How precise are internet speed test results?

Internet speed tests are a great way to quickly estimate your internet upload and download speeds, as well as latency. However, results from individual tests may vary slightly, so consider most tests as a ballpark estimate of your Cox internet connection. To increase the accuracy of your speed tests, try restarting your modem and router, stopping all internet use, restarting your computer, and clearing your web browser's cache before the start of each test.

How long does a Cox speed test take?

Just a few seconds! Internet speed tests are a quick way to see your current upload and download speeds, and verify whether your current Cox internet connection is right for you.

How can I improve my Cox internet speeds?

If your internet speed test results don't come back as fast as you had hoped, try these tips to up your Cox internet speeds: consider moving your router to a more central location, adding a WiFi extender, and simply turning your modem off and on again. If after these changes you're still not seeing the fast internet speeds you need, take a look at our WhistleOut search tool to compare faster internet plan options.

What is the difference between upload and download speed?

Any activity where you are uploading content to the internet like live streaming video to social media or video calling will be affected by your upload speed. Download speed will affect any activities like web browsing or downloading content from the internet such as photos and videos.

Why is my WiFi slow?

Slower WiFi speeds can have many potential causes, but you may want to start by considering how many devices you currently have connected and how many people are simultaneously using your WiFi. It's also important to consider what kind of activities individuals are doing while connected to your internet. For example, an increase in video streaming, online gaming, or video calling from multiple devices could be causing slower connections for other devices. If after looking at these factors you still haven't identified a cause for the slower speeds, also take into consideration the location of your router, the number of applications on each device that use internet, and the type of modem or router you have.