"The most important thing to do when you're optimizing a landing page is to put yourself in visitors' shoes. Think about what got them to the landing page in the first place and what information they will need to move forward with a conversion. Remember, they don't know your company or products as well as you do; factor that into your evaluation."

Are you neglecting your email list hygiene, feedback loops or deliverability tools? A new study reiterates the best practices you should already be using.

"Meeting the CAN-SPAM requirements is the responsibility of the sender and not the ESP. Reputable ESPs will assist senders in meeting the requirements, but the sender must stay vigilant in verifying that all aspects of the act are met."

Like their stores, Costco’s email marketing campaigns are also designed to encourage customers to buy all sorts of products.