@datao Just copy and paste my reply there, no attribution needed.

@datao More details in your inbox… :-pic.twitter.com/s1E5K22XDlDl
Good introductory tutorial by @LoukilAymen on building custom @____lighthouse audits. aymen-loukil.com/en/blog-en/goo…
Adapting to Users with Client Hints: developers.google.com/web/fundamenta….
@datao I am, and might actually be able to help. Just send me an email and I will have a look tomorrow.
tomac@google.com