Posts by Marcus Espersen
How Do You Write a Subject Line That Doesn't Land in Spam?
Subject line spam happens when a filter flags your email based on the words, formatting, or sender reputation behind it. To stay out of the spam folder, write clear, honest subject lines, skip
How Do You Test Email Deliverability?
To test email deliverability, send a sample message to a seed-list tool like Mail-Tester or GlockApps to see whether it lands in the inbox or spam. Then confirm your SPF, DKIM, and DMARC records
What's a Good Email Deliverability Rate?
A good email deliverability rate is 95% or higher, meaning at least 95 of every 100 sends reach the inbox instead of bouncing or landing in spam. Strong senders consistently hit 97% to 99%. Anything
9 Best Klaviyo Alternatives for Ecommerce in 2026
Looking for a Klaviyo alternative? You're not alone. Klaviyo's pricing scales aggressively the moment your list grows, the interface takes weeks to learn properly, and most stores end up paying for
How Do You Improve Email Deliverability?
Improve email deliverability by authenticating your sending domain with SPF, DKIM, and DMARC, sending from a warmed-up IP, keeping your list clean of inactive and invalid addresses, and writing
Why Is Segmentation Important in Email Marketing?
Segmentation is important in email marketing because it makes every send more relevant to the person receiving it. Splitting a list by traits like behavior, purchase history, or lifecycle stage
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What Is Behavioral Segmentation?
Behavioral segmentation is the practice of grouping customers based on what they do, such as purchases, email engagement, browsing patterns, and product usage, rather than who they are
How Do You Segment Customers for a Shopify Store?
Segment Shopify customers by combining purchase behavior, lifecycle stage, and product affinity. The segments live inside Shopify admin under Customers > Segments, where filters like number of
Customer Lifetime Value: Formula, Benchmarks & Strategies to Increase It
If you spend even half a day a week thinking about acquisition costs, you've already brushed up against customer lifetime value. You just may not have called it that. Most ecommerce brands obsess
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