Posts tagged

Research


A/B Testing in MailChimp: 7 Years of Successful Experiments

Since its release in late 2007, MailChimp’s A/B testing tool has been a huge success with our customers. In fact, over 200,000 split tests were sent in 2013 alone. Using subscribers as lab rats is still both fun and educational, but we realize that some of you might not know how to get started with …

Gmail’s New Unsubscribe Link and Feedback Loop

You may have noticed a new unsubscribe link at the top of your campaigns in Gmail. Behind the scenes, they’re also adding a quasi-feedback loop to let ESPs like MailChimp know how many spam complaints our users are seeing. While I’m not sure if they planned it this way, I like to think these two …

How Gmail Tabs Affect Your Email Marketing: An Update

More than half a year has passed since Gmail announced the new tabbed inbox. My initial research hinted that open rates took a hit, but at that point I was just looking at a few weeks’ worth of opens. Now that things have settled down, we can look at months’ worth of all kinds of …

How Gmail’s Image Caching Affects Open Tracking

A few days ago, the Gmail folks changed how they display images in their emails. In the past, Gmail would make a request for an image every time an email was opened. But now they temporarily store those images—even the one we use for open tracking. You may know this already, but along with most …

Send Time Optimization in MailChimp

With the latest release of MailChimp, we’ve added the ability to optimize your send time. Within the send time scheduling section of the app you’ll find a recommendation hand-delivered to you from MailChimp’s Email Genome Project. It recommends the optimal send time out of the next 24 hours from the selected delivery date. The send time recommendation …