Popup Opt-in Forms: Case Studies, WordPress Plugins, and Alternatives
Kikolani
MAY 28, 2013
In this post, I’m going to share my research into popup opt-in forms: who’s using them, case studies, WordPress plugins, and the alternatives for building your mailing list. How to Get 1000% Increase in Opt-ins Test Results (2008) – The test demonstrated that the time-delay hover box works, and it works best at 60 seconds.
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