Track the performance of your CTAs.
Create a specific page on your website, like a Thank you page, to which your audience will be redirected as they sign up or confirm their email address.
Expand the Conversions tab on the side navigation pane in Google Analytics, and click on Goals > Goal URLs, and Set up goals.
Enter a memorable, descriptive name for this tracker and select Destination under Type, then click Continue.
Select equals to from the Destination drop down list, and enter the local URL of your redirection page. Click Save.
Timeline or Bar tend to work well.