Inspired by Shaver’s patch, I implemented some per-compartment stats in about:memory.  I then visited TechCrunch because I know it stresses the JS engine.  Wow, there are over 70 compartments!  There are 20 stories on the front page.  Every story has a Facebook “like” button, a Facebook “send” button, and a Google “+1” button, and every … Continue reading You make what you measure