Case Study — Typographic Design Patterns And Current Practices | Smashing Magazine
From a Smashing article. Very INTERESTING numbers here about RWD Fonts.
SOME NUMBERS ON THE IMPLEMENTATION OF RESPONSIVE DESIGN
42% of websites implement responsive design changes, including for layout, image scale, content and font size.
At a display width of 500 pixels:
- Average line height: 28 pixels
- Average font size of body: 15 pixels
- Average number of characters per line: 77
At a display width of 700 pixels:
- Average font size of headlines: 36 pixels
- Average font size of body: 15.6 pixels
- Average number of characters per line: 82.7
At a display width of 950 pixels:
- Average font size of headlines: 37.9 pixels
- Average font size of body: 16.1 pixels
- Average number of characters per line: 84.8
At a display width of 1600 pixels:
- Average font size of headlines: 40.7 pixels
- Average font size of body: 16.2 pixels
- Average number of characters per line: 86.8











Interesting stuff. Do they differentiate between ads with and without CTA’s? It would be interesting to see if ads with CTA’s effect those numbers at all. Sub-question: is an ad a failure if noone clicks on it?