Apple is Late to the Party: Marketers Stopped Trusting Open Rates Years Ago

At WWDC 2021, Apple announced Mail Privacy Protection. The new version of its Mail app, expected to be released in September, will ask users if it should load content (including tracking pixels) privately. That would protect the user’s privacy by hiding an actual user activity from the email sender. If the user says yes…

Customer.io Is Planning a Crowdfunding Round

Note: Our crowdfunding round is currently live on Republic Hi there, I’m Colin, CEO of Customer.io. In a few short weeks, we’re planning to launch a Regulation-CF (Crowdfunding) round to raise money from our community, customers, and supporters. We’re a profitable company that over 2600 early to mid-st…

How to HTML: Your Guide to Designing and Coding Emails That Deliver

Customer.io
Brilliant subject line, compelling message, stunning layout—all the elements you need for a successful email, right? Nope, not by a long shot. All that work is moot if your emails are a wreck when they hit your customers’ inboxes—or don’t land at all. That’s why a smart approach to design and coding is essential in maki…

Blue Plate Special: How to Add Special Content to Your HTML Emails

Customer.io
Getting fancy can be fun, but just like a gourmet meal, it takes a lot more effort than a fast-and-functional sandwich. When you add special content to your emails—like video, animation, and embedded forms—you’re also adding complexity, development time, and risk.  Before you decide to serve up these morsels of …

Show and Tell: Image Best Practices in HTML Emails

Customer.io
Images in emails can be your best friend and your worst enemy. On the one hand, they engage the audience with compelling visuals, amplify your brand identity, and compel clicks. But on the other hand, they can stab you in the back with unexpected problems and extra complications. Follow these best practices to ensure yo…

Call-and-Response: Using Responsive Design in HTML Emails

Customer.io
Do you check email on your phone? If you’re like most people—85%, according to 99Firms—the answer is yes. And your customers are in the same boat: opening your emails on their phones and tablets as well as their desktops.  That means your conversion rate depends on your email looking great on every device! There…

How to Make CSS Play Nice in HTML Emails (Without Breaking Everything)

Customer.io
In the web world, CSS takes the headache out of formatting, styling, and more. But when it comes to email, CSS can cause more headaches than it cures. The trick is to use CSS selectively—only when the benefits exceed the cost—and to do it an email-friendly way. It’s important to know that CSS can take a lot of extra …

March Release Notes

This month, we focused on giving you control over all the data stored and generated by Customer.io with a new interface for data warehouse integrations, helping you export and use your Customer.io data in your business intelligence stack.  Read on to learn more about this and other features we shipped last month…

Building Our Brand’s Visual Style

Last month, we made a significant (and much-needed) update to our website. The visuals of our previous brand were outdated, generic, and forced. Our visual style was created by repurposing elements from our logo. We used primarily open-source illustration and icon libraries. The visuals did not represent our custom…

Can Product Designers Redesign a Brand?

We redesigned our website! It was no small feat, requiring months of work from our marketing and design teams. It’s still a work in progress, but it’s something I can be proud to share with customers and friends. When we started working on the redesign, we only had product designers, no brand designers, on the team. …
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