Looking for fresh data regarding the impact of the number of links and the subject length on email marketing results

Brad, a visitor of my blog asked me where I found the data that I put in a blog post about how the message size, number of links and subject length affects the results in email marketing.

I had to answer him, I had no clue but that these data were probably around for some time now.

After some digging and “with a little help from my friends” (that’s also the title of a song, written by John Lennon and Paul McCartney and probably best known in the Joe Cocker version, but what am I talking about here?), I found the source.

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