Perform various speed tests
Often cables or PC are overloaded. In order to obtain an accurate measurement, you should perform various Tests.
- Here we show you the different Speedtest-offers at a Glance. At the best every day two to three measurements, so that you achieve an accurate result.
- Make a note of the results so you can report them to the Provider.
- Your PC should be connected in order to achieve a more accurate result, via a Lan cable.
- Also, you should not call any other websites during the test. Also, make sure that no Downloads are active, and all other browser Windows and/or closed tabs.
- Background programs that require Internet access should also be closed.
- Browser extensions, such as "Internet Explorer 7 Pro" and "Firebug" could be the result also distort. Therefore, you can disable all Browser extensions.

DSL speed check
Speed too low – now what?
If the measured speed is below the posted speed, this can have several reasons.
- You may have used up your data volume, and your ISP has you throttled according to the contract. This throttling can't you bypass, you will only be lifted again in the next calendar month.
- If your Provider has not made any throttling or is not yet provided in your contract, you should contact your Provider. You describe him the Situation as accurately as possible, so that you can be the best possible help. It is possible that your DSL Router and/or cable is defective.
- Often it is also due to the distance between the W-LAN Router and your connection.
- In many cases, you do not give your line. Then you should change providers. With our DSL comparison calculator find the fastest and cheapest deals.
The best tips, the download speed increase we can tell you in this practical tip.
DSL speed test: Test your Download and Upload speed
