I wonder are they accurate....I thought I had a problem with my broadband giving very slow downloads speed...this was based on checking my connection on one of those broadband speed test sites...this one,
Broadband Speed Checker - THE UK's No.1 Broadband Speed Test
Used it for a while now and of late it was indicating I was only getting a down load speed of around 1kbps on my Virgin 10kbps service,
Tried a few more speed checkers and they all seem to indicate more or less 10kbps ping 34ms inc this one,
Namesco BroadbandMax ADSL Broadband Bandwidth speedtest | Test your ADSL Broadband connection speed
I wonder why this should be and which one do I believe.