Single Optin - redirect your subscribers to affiliate sales page OR thank you/ download page instantly after they optin.
Double Optin - subscribers have to check their email and click on the confirmation link to confirm their email subscription. After that, they will be directed to the affiliate sales page or thank you page.
Single Optin Advantage:
- 100% confirmation.
- 100% will see your affiliate sales page.
Single Optin Disadvantage:
- people can just put your name and email address into the squeeze page.
- you are open to spam complaints.
Double Optin Advantage:
- 100% safe from spam complaints.
Double Optin Disadvantage:
- you may lose up to 40-50% of your leads as some may not receive your confirmation email.
- may lose sales as not everyone will see the sales page.