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Email Marketing Statistics and Metrics
Email's ROI in 2009 was $43.52 for every dollar spent on it. - DMA (2009)
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HTML Coding for Emails

Non-ASCII, non-encoded subject lines broke/rendered incorrectly in both the List View and Message View at 44% of the top tier ISPs, notably AOL, Cablevision, and Earthlink. - Pivotal Veracity (2007)

Non-ASCII, encoded subject lines broke/rendered incorrectly in the List View at 41% of the top tier ISPs. - Pivotal Veracity (2007)

Non-ASCII, encoded subject lines broke/rendered incorrectly in the Message View at 53% of the top tier ISPs, notably Hotmail, Yahoo and Comcast. - Pivotal Veracity (2007)

21% of the emails reviewed appeared completely blank when images were turned off, or stripped inside a variety of email clients. - Email Experience Council (2007)

28% showed relevant copy, but had no working links. - Email Experience Council (2007)

Spam filtering is more likely to occur because of HTML coding than the words you use in your email. - George Bilbrey, iMediaConnection (2006)

MarketingSherpa's Email Marketing Benchmark Guide 2006 reports what email client consumers are using

  • AOL - 20%
  • Yahoo! - 19%
  • Outlook Express - 15%
  • Hotmail - 12%

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