+16% open rate (secret hack you don′t know)

Do subject lines matter for your open rates?
It's obvious. Sure they do.

But, besides the subject line, mailing services also show a preview text that is actually a bunch of text from the body of your email.
So, the preview text matters as much as the subject line!


Yasware decided to test shortening their preview text.
Result: in all 3 cases the open rate increased by 16.5% ... 33.3%!




The question is how they did this. :)
And this is where the "hacking" part starts.

Here's a secret code you need to place in the beginning of your email body (it will be hidden from the email body, but will be shown in the preview):
<div style="display: none; max-height: 0px; overflow: hidden;">INSERT YOUR SHORT HIDDEN PREVIEW TEXT HERE &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj; &nbsp; &zwnj;
</div>

"&zwnj; &nbsp;" - are actually encoded white spaces.


Cheers,
Charlie Patel ;)



Your friend wants to get access to our invite-only community of growth hackers from companies like Uber, Google, Microsoft, TechStars, Disney, Adobe, Coca-Cola, Amazon, etc.? Here's your personal invitation link for him/her: http://e.growthhackingidea.com/?ref=2145324&a4=1&a5=9

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