Martin Splitt said at the 21:37 mark in the podcast, “Isn’t it a matter of– Are we looking at the render tree? And basically, think if something isn’t visible on the page, it is a little less important than the things that are visible on the page.”
Gary Illyes responded “We don’t do that anymore.” In which Martin asked “Oh, you don’t do that anymore?” Gary replied “We used to, we don’t.” Martin reacted “Oh. That’s fascinating. I did not know that.”
It is worth listening to this part that starts a bit before the 21:37 mark, here is the podcast:
Forum discussion at Twitter.