An Image Loading Attribute Is a Hint, Not a Performance Result

A performance audit can start with a cheap question: which image loading instructions did the server actually send? That question is narrower than asking whether a page is fast. Keeping the two separate makes the first script useful without turning it into an invented benchmark. I captured five public RadarMakers pages over HTTPS on October 30,... Weiterlesen: An Image Loading Attribute Is a Hint, Not a Performance Result