As I said, it's non-deterministic, so I'm not surprised if you're seeing something different. I have made it a habit to try resource hungry pages in all my bro

As I said, it's non-deterministic, so I'm not surprised if you're seeing something different. I have made it a habit to try resource hungry pages in all my browsers. The variance is huge but the pattern is pretty clear when it comes to CPU usage, especially between Safari and everyone else (excluding Edge and IE as I don't use Windows).