Our experiments show that optimized pages load four times faster than the original page and use 80% fewer bytes. As our users’ overall experience became faster, we saw a 50% increase in traffic to these optimized pages.

Although this seems to be pretty obvious, can you share these experiments? Are they public? They will be good to point at when justifying such a change to an angry user editor thinks we are not giving their content the prominence it deserves.

FWIW, here's a real-world example of potential wins to be had here:

In T110615#1589736, @brion wrote:

Do we have an upstream bug report with the browser vendor? Images are non-blocking resources and shouldn't be competing with blocking JS/CSS...

@Gilles @Jdlrobson some thoughts and followup questions based on the above..

Based on recent perf audit [1], this change should have dramatic performance benefits for users on slower connections... Anything we can do to help unblock this?