It gives my connection an "A" in both directions :)
Which would be incorrect as it is a definite "D" or worse.

But it is hosted in the UK, and uses a single stream, so it doesn't fill the pipe.
If it can't fill an 8mbit connection it is going to be misleading  - unless you are very close to them.

On Fri, May 1, 2015 at 2:41 PM, Rich Brown <richb.hanover@gmail.com> wrote:
I just saw a note over at ThinkBroadBand that states that they've turned on bufferbloat detection/grades in their speed test. 

Announcement: http://forums.thinkbroadband.com/general/t/4405918-turned-on-per-user-display-now.html
The Tester: http://www.thinkbroadband.com/speedtest.html

I'm not sure it gives as good a result as DSLReports Speed Test.