[croes]

> User-centric performance metrics

It’s still about performance.

How fast can I use it, how smooth can I use it, etc.

My point is about how good can I do what I want to do on a website.

For instance a shopping site can as fast and snappy as it likes, if I can’t find the right articles is useless. Amazon and ebay come to my mind who ignore even simple exact search terms just to show things I didn’t search for.

[luckylion]

> if I can’t find the right articles is useless

that's not a web design/frontend issue, unless they hide the search bar.

[croes]

As a user I don’t care about frontend or backend, I care about UX for what I want to do.