Definition
A little positive letter-spacing elevates headings and buttons. Excess letter-spacing or negative values hurt body readability.
Best Practices
- Apply letter-spacing mostly to headings and small caps.
- Keep body copy letter-spacing near zero.
- Test the smallest font sizes where it is applied.
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Related Glossary Terms
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Accessible CTA (Email)
An accessible CTA is a button or link coded with sufficient colour contrast, visible focus states, descriptive screen-reader text, and a minimum touch target of 44×44 pixels.
Adaptive Design
Adaptive design in email uses predefined layouts that adjust to specific device or client widths, rather than fluidly resizing to every possible screen.
AI-Generated Content in Email
AI-generated content in email is copy, images, code or subject lines produced by artificial intelligence tools to speed up campaign production and testing.
Alt Text
Alt text is the written alternative to an image in an email, displayed when images are blocked, slow to load, or consumed by screen readers.
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Autoplay video in email refers to the limited ability to play video content automatically when an email is opened, using specific client-supported techniques.
Frequently Asked Questions
To style headings and small caps for a premium feel.
Only when over-applied to long or small text.
Most modern clients do, unlike many margin fixes.