Three Internet Speed Test - Check Your Speed
Test your Three internet speed in United Kingdom
Test your Three internet speed in United Kingdom. This free speed test accurately measures your download speed, upload speed, and latency for your Three connection.
About Three
Three is an internet service provider offering various connection types operating in UK. The company offers mobile and fiber services using 4G, 5G, Fiber, providing reliable internet connectivity to residential and business customers across the region.
Mobile Data Settings
Need to configure your Three mobile data? View the complete APN settings for Android and iOS devices.
View Three APN SettingsThree Speed Test FAQ
How fast is Three internet?
Speeds vary by plan and location. Run a speed test to check your actual Three connection speed and compare it with advertised speeds.
How do I test my Three speed?
Click Start Test above to measure your Three download speed, upload speed, and ping latency. The test takes about 30 seconds to complete.
Why is my Three internet slow?
Common causes include network congestion, WiFi interference, or distance from the router. Try testing with a wired ethernet connection for the most accurate results.