You might be a little bit worried that popup email sign-ups are going to hurt the user experience of your site. But, many bloggers have found that it isn’t bad at all. For example, Dan Zarella, found bounce rates only increased by a very small amount, while email sign-ups were 1.56% higher – which, in the long term, can be a lot of new subscribers.
You can use this strategy to your advantage and increase your email list by giving people an incentive in return for their email. The giveaway could be free access to an e-book, a report, a gift hamper, or perhaps a lucky draw where people enter their emails and get a chance to win. A tantalizing offer is all you need for people to comply. For example: