I just visited https://community.esri.com/activity and thought I had a smudge on my glasses when I looked at the headline for Morten's article - the text is all blurry (compare with the German text shown to the left):
I'm attaching the file as well so you can see it in full resolution. The issue seems to be the .5 pixel translate3d style applied to the div - if you override it to 0 pixels the text clears up. This is in Chrome 41.
Just thought someone should know.