Subject Line Length Means Absolutely Nothing

MailChimp Blog, Tuesday, September 18, 2012 5:15 PM

MailChimp analyzed the subject lines of 12 billion (not a typo) messages to get to the bottom of the subject line length debate. The data indicates that as subject line length increases, nothing happens to open rate performance.

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2 comments about "Subject Line Length Means Absolutely Nothing".

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Robyn Showers from Intermarkets, September 19, 2012 at 2:37 p.m.
Does this also apply to mobile open rates?
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Charles Balazs from MZ, September 22, 2012 at 10:46 p.m.

It's very frustrating to click from the newsletter to this page and there's no link to the original article (in this case, on the MailChimp blog).