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Designing For Email by Smashing Magazine

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Size Matters: Balancing Line Length And Font Size In Responsive Web Design

By Laura Franz

As we refine our methods of responsive web design, we’ve increasingly focused on measure (another word for “line length”) and its relationship to how people read.


The popularization of the “ideal measure” has led to advice such as “Increase font size for large screens and reduce font size for small screens.” While a good measure does improve the reading experience, it’s only one rule for good typography. Another rule is to maintain a comfortable font size.

How People Read

People read online text to serve their own needs: to find the information they seek, to discover new ideas and to confirm their notions about life.

People Read in Three Ways

In 2006, the Nielsen ...

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