I'm curious about the subjective jittery v. snappy experience you describe. Perhaps Chrome shows more intermittent reflows so you observe more of the page rend

I'm curious about the subjective jittery v. snappy experience you describe. Perhaps Chrome shows more intermittent reflows so you observe more of the page rendering as it's taking place? Can you describe it in more detail? I presume Firefox is doing something right but what might it be?