The test

There was once a time when the first thing you would do when you went to visit a newly-launched website was to run its markup through a validator.

Later on that was replaced by the action of bumping up the font size by a few notches—what Dan called the Dig Dug test.

Thanks to Ethan, we all started to make our browser windows smaller and bigger as soon as we visited a newly-launched site.

Open link to post on cool new site. Resize browser window—tiny, huge, tiny. Don’t read essay. Realize. Hang head in shame.I blame @beep.

— Frank Chimero (@fchimero) January 29, 2013

Now when I go to a brand new site I find myself opening up the “Network” tab in my browser’s developer tools to count the HTTP requests and measure the page weight.

Just like old times.

For discussion: viewport and font-size data in client hints

The “client hints” proposal looks really interesting: a way for user-agents to send data to the server without requiring the server to have a library of user-agent strings. But Scott has a few concerns about some of the details.

» The real conflict behind picture and @srcset (Cloud Four Blog)

Jason outlines the real challenge to every proposed solution for responsive images: they just don’t jibe with the way that browsers (quite rightly) pre-fetch images.

The state of responsive images | Feature | .net magazine

Wilto gives a thorough explanation of the state of things with responsive images, particularly the work being done at the Responsive Images Community Group at the W3C.