Subject Line Length Means Absolutely Nothing

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. 

Read the whole story at MailChimp Blog »
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2 comments about "Subject Line Length Means Absolutely Nothing".
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  1. Robyn Showers from Intermarkets, September 19, 2012 at 2:37 p.m.

    Does this also apply to mobile open rates?

  2. 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).