[bigtones]

Microsoft and Google both score a "D", Mozilla itself scores a "D-", Apple and Amazon both score an "F"

[marumari]

On the plus side, there are sites doing really well, like GitHub (A+), HackerOne (A+), and Twitter (A). Even Facebook is doing pretty well, with a B. Hopefully sites like the Observatory help sites do better.

We're working really hard on getting mozilla.org to the point where it also gets an A+.