When a site visitor clicks ‘Subscribe’, there is no visual feedback of any kind that indicates the button has been clicked. (Well, maybe a slight change in the appearance of the button during the click itself.) For the plugin settings, under ‘Form Settings’, I have filled in some “text to replace the form with after a successful sign-up” but this does not appear to work. The form is clearly working, however, because each click results in a confirmation email. The problem is that someone could continue to click, unknowingly generating several confirmation emails and being unaware that they have subscribed–a temporary frustration, but it gives an impression of “brokenness” to the website, which we’d like to avoid.
Thank you in advance for your support and for creating this useful plugin! -Frank