We'll have better web design when we stop asking it to be something it's not, and start appreciating it for what it is. It's not print, not video, not a poster—and that's not a problem. Find out why cultural and business leaders misunderstand web design, and learn which other forms it most usefully resembles.
It's a tug-of-war as old as web design. Designers need to control text size and the vertical grid; readers need to be able to resize text. A better best practice for sizing type and controlling line-height is needed; and in this article, Richard Rutter obligingly supplies one.