[yaix]

The new Goog search interface being one of them, especially on low end computers (netbooks etc).

The results of Goog monitoring page load and render times can be seen in Goog's Webmaster Tools and is measured by user's browsers. They started doing that some years ago and I am pretty sure by now it is part of the ranking.

And at the same time they made their own site slower and bloaded. :-/