I work in media and have been pushing to improve web page performance for a variety of reasons (better UX, lower bounce rate, load ads faster, higher ad CPMs, etc.)

I created a tool to show how my org (at the time) was doing relative to others, and also to apply a bit of friendly competition to motivate for improvement's:

https://webperf.xyz/

At the time I started, I was at The New Yorker and we were in the top 20, with a Speed Index closer to 8,000. Now its in the 40-50 rank with a Speed Index around 25,000 :(