I found this checker to be better:
http://www.dslzoneuk.net/maxspeed.php
Your results were:
Based on the values you entered, we estimate that your line can support around 1.8 - 2.6 Mbps.
I'm personaly itching for max
Based on the values you entered, we estimate that your line can support around 7.5 - 8.0 Mbps.
http://www.dslzoneuk.net/maxspeed.php
Your results were:
Based on the values you entered, we estimate that your line can support around 1.8 - 2.6 Mbps.
I'm personaly itching for max

Based on the values you entered, we estimate that your line can support around 7.5 - 8.0 Mbps.