I find it mildly amusing that there's a profiler in the devtools. And yet there is another profiler that is at times more powerful than it. I have used the geck

I find it mildly amusing that there's a profiler in the devtools. And yet there is another profiler that is at times more powerful than it. I have used the gecko profiler from time to time to identify which feature the page was using that slowed down the entire browser. Multi-process means just debugging a single tab doesn't give you the whole picture.