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Research > Research Detail

Rethinking the Relationship between Subject Line Length and Email Performance: A New Perspective on Subject Line Design

Pub Date:Jan 01, 2009
Research Org:Epsilon
Research Type: Study or White Paper
Cost:
Pages:6
Summary:This report looks at how subject line length is not as important as previously thought concerning a consumer's decision to click or open an email.

Methodology:"This analysis comprised 568.7 million emails from
2,365 campaigns."

Key Findings: "Yahoo!, with 21% of U.S. email, has a approximate limit of 47 characters per subject line."

"Hotmail, which has 14% of the U.S. email market,
uses word wrap to display subject lines on multiple
lines, allowing approximately 45 characters per line."

"In fact, in 14 of 22 (64%) recent A/B or A/B/C subject line tests, the longer subject line performed better, regardless of subject line content."
URL:Click here to visit the source of this study


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