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Customer.io Blog

Why You Should Use Google Postmaster Tools

Ryan Stahulak
Studies show that Gmail represents over 36% of the email market share — so making sure your emails hit Gmail inboxes is crucial to reaching your customers.  There are some important metrics that Gmail doesn’t send to your automated messaging platform. Without that data, you could miss criti…

Why You Should Verify Your Emails

Jp Valery
When you hit “send” on a campaign, do you know how many of your emails will actually land in customers’ inboxes? If you’re not using email verification, you may be shouting into a void.  You can wind up with undeliverable email addresses in your list for many reasons. Customers make typo…

How Mysa Revved up their Revenue by 592% Through Email Marketing

Lucy Wen
Mysa makes smart high-voltage thermostats that allow their US and Canadian customers to have full control over the heating and cooling of their home all within the Mysa app. Their thermostats can be purchased online through their website.  Mysa was previously using Klaviyo to send their …

Easy Date Formatting With Liquid

Jp Valery
Personalizing your messages with Liquid can increase conversions and build stronger customer loyalty. Including specific dates in your emails can be a powerful way to connect with customers — celebrating a milestone, reminding them of renewal dates, alerting them when they take certain actions i…

Attack of the Bots: Why You Need reCAPTCHA

Rachel Cobb
Are you using reCAPTCHA on your site’s forms? If not, you’re taking a major risk. reCAPTCHA helps protect one of your most valuable assets: your domain reputation. If I could tell every one of our customers to implement reCAPTCHA today, I would! Some marketers worry it will require too many r…

Locking Users into Segments to Unlock 20% of Monthly Upgrades

Lucy Wen
Guardio is a cyber security company that provides protection to users through a browser extension. Driven by the ideal that security software should be easy enough for our everyone to use, they develop creative tools and products to combat modern web and browser threats. Guardio offers a freemiu…

Customer.io Raised our Series A

Colin Nederkoorn
Startups often raise a lot of capital early. Large fundraising rounds shorten the time you have to thoughtfully build your business. In 2017, I talked about our approach, fundstrapping which still represents how we’re building the business today. We have taken the time to do things right and …

How to Build a Better A/B Test: Tips and Tricks

Rachel Cobb
A/B testing is one of the best—and lowest cost—ways to improve your marketing. Comparing one message’s real-world performance against another gives you hard data about what your customers actually respond to. And if you leverage A/B testing to the fullest, you can really boost your KPIs. I ta…

Running a Minimum Viable Climate Audit

It all started with a Slack message in our #random channel, as any good idea does. Over the last couple of years, our team at Customer.io has felt increasingly anxious about climate change and eager to do what we can in every area of our lives. So I wondered, what can Customer.io do? The …

Admin Fridays Are Happy Fridays

Rita Caetano
Does your to-do list keep getting longer even though you check things off? Do you struggle to manage your calendar? If you’re nodding along, then you’ve probably experienced similar challenges as me. Whether you’re in a customer-facing role or not, staying organized and in control of your schedu…