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. Opt-in Email Newsletter Popup Best Practices for 2012 (2012) – Conversion optimization testing and results with a popup opt-in form.
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