MyConnection Server AccessCMtm Quality Test

This connection test measures the quality of your connection, in addition to speed.
The key measures to look for are duplicates, retransmissions or worse still lost packets.

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Most internet speed testers just measure data over time and provide no information about why an application delivers a bad experience.
This quality test is designed to identify connection problems which may affect application experience.

For more information http://www.myconnectionserver.com/accessct/index.html

Further reading Understanding Speed test results