Interesting.
I had tried a couple PingTest.net tests over the last few days and didn't see anything out of the ordinary. Here are some results from a ping -t in CMD and a pingtest.net test.
http://imgur.com/4lNJ7h3,Ehp12jx,G2MugvE
http://imgur.com/4lNJ7h3,Ehp12jx,G2MugvE#1
And just to make sure the Max Delay didn't drop, I did another test on the site you provided:
http://imgur.com/4lNJ7h3,Ehp12jx,G2MugvE#2
Don't see any packet loss of any kind! What is this magic...