Posts tagged

research


A Purchased List is a Dead List

Update, 8/1/14: According to the recently passed CASL, purchased lists are illegal in Canada. While they’re still technically legal in the US, they’re at odds with MailChimp’s acceptable use policy. Which means if you use them, we will shut down your account. – As a permission-based email service provider, MailChimp doesn’t allow our users to send to purchased, …

Insights from MailChimp’s Send Time Optimization System

Late last year, MailChimp rolled out our Send Time Optimization feature. Built on the Email Genome Project, which powers many of our other products, Send Time Optimization does just what you’d think: It suggests to users when they should send their campaigns. "So," you might be thinking, "when is the optimal time to send?" Well, it depends on who you …

Competing with the World Cup for Subscribers’ Attention

The 2014 World Cup is underway, and chances are you’ve watched a game or two or ten. (Maybe the insane Germany/Brazil match yesterday?) At the very least, you’ve heard someone shouting “Goooooooalllll!!!!” in an adjacent room. With an event this big, the world pays attention. And that means the world isn’t paying attention to other things. Like calories, data …

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 …