Popup Opt-in Forms: Case Studies, WordPress Plugins, and Alternatives
Kikolani
MAY 28, 2013
My Data Shows Email Popups Work and Don’t Hurt (2012) – Dan Zarrella, Social Media Scientist for HubSpot, found that the signup rate doubled with the popup and there was an insignificant change to bounce rate. You can see it in the above examples for Chris Brogan, Pushing Social, and Lewis Howes. Popup Domination.
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