I saw the phrase “are we X yet” used in the Rust community (is Rust ready for games or whatever) but never realised the phrase’s origin with Mozilla. Thank you for the little piece of history.
AFAIK, https://arewefastyet.com/ (AWFY) was the first, registered in 2010.
“Are We Meta Yet?” http://www.arewemetayet.com/ is an incomplete and outdated list of some of these dashboards. Some domains expired and are now squatted.
“Are We X Yet?” is a Mozilla meme for dashboards like this.
https://spidermonkey.dev/areweesmifiedyet/