Cox Communications speed test
Free Cox internet speed test. See whether you're getting close to the Go Fast / Go Faster / Go Super Fast speed Cox advertises.
Typical Cox Communications delivery
~76% of advertised speed
DOCSIS 3.1 cable. Heavy data-cap policy. Upload speeds particularly low on lower tiers.
Cox Communications plans & advertised speeds
| Plan | Down (Mbps) | Up (Mbps) |
|---|---|---|
| Go Fast | 100 | 5 |
| Go Faster | 250 | 10 |
| Go Even Faster | 500 | 10 |
| Go Super Fast | 1000 | 35 |
ISPs advertise “up to” speeds. Your real-world result depends on line type, congestion, modem and Wi-Fi. Use NetStartr to find out what fraction you\'re getting.
How to test your Cox Communications connection accurately
- Plug a laptop or desktop into your router with Ethernet (avoid Wi-Fi for the headline number).
- Pause cloud syncs and downloads.
- Open NetStartr and click Start Test.
- Pick your Cox Communications plan from the “Am I getting what I pay for?” selector and read off the percentage.
- Re-test at peak (8-10 PM) and off-peak (8 AM) to spot congestion.
What to do if Cox Communications underdelivers
- Reboot your modem & router; many ISP modems re-provision on boot.
- If you\'re under 70% of plan three days running, contact support and reference the times you tested.
- Ask for a free modem swap (cable plans) or a tech visit.
- If unresolved after a few weeks, request a partial bill credit.