The Psychology of Typography: Why Line-Length & Contrast Dictate Reader Retention

The Optimal Reading Measure

When lines are too wide, the reader eyes struggle to locate the start of the next line, triggering subconscious micro-regressions. When lines are too short, excessive saccadic jumps break reading rhythm.

Freedium default reading width adheres strictly to the 65-character rule, pairing Instrument Serif editorial cadence with Inter crystal clarity.