Test your DSL bandwidth (Speedtest) with our tool. YouŽll get your speedtest result instantly.
How is the speed test measured?
When you start the speedtest, a file that
is coupled to a script is loaded by our server. The
script notices when your computer has downloaded the
file and then calculates what DSL speed you have. If a
firewall is switched on, the data are not sent back to
the script and the test fails.
Is the measurement of the speedtest exact?
When loading of the file is artificially
extended by other factors, the speed display cannot be
Reasonable ranges are:
If the results of the ADSL speedtest are unclear, always measure again and repeat the speedcheck at different times of day and on different days. During the test, downloads or other Internet calls should not take place.