Internet Speedtest: Test your speed
Do you want to know how fast you can surf the Internet and which subscriptions are available in your area? Here you will find answers to your questions about Internet speed.
Test your current speed now
Check your internet speed with the cnlab Speedtest. You will get the best test results if you install the app from cnlap on your device.
Frequently asked questions
Why do I not reach the maximum speed of my subscription in the tests?
- No other programmes are open on your computer.
- The computer is connected directly to the Internet Box via a network cable.
- With each transmission, including when testing the Internet speed, additional information is sent with each data packet. These therefore already take up the line. Therefore, the test result is never shown with the maximum speed. This is the case with every Internet provider.
Why do my measurement results differ when I run the speed test several times in succession?
The test result depends on how heavily loaded your internet is at the moment. Depending on whether you have installed certain updates, for example, or how many people in your household are watching TV at the same time, the test will give different results.
Download and perform Networktest
As of September 1, 2021, we are obliged under telecommunications law to provide you with a measuring tool designed in accordance with OFCOM specifications. All information can be found on the website.
blue Internet
Fast, secure, including climate contribution
- Up to 10 Gbit/s upload and download
- Free of charge: Surf protection, WiFi6 router, cloud
- Test winner fibre-optic network
Exclusively online: Activation of 99.90 free of charge
Not sure which subscription suits best?
Ask our personal order helpline. Call free of charge: 0800 555 155
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