FREE TOOL
HippoMango Email Check
Upload an email or paste HTML. Get supported QA findings, practical fixes, and an honest account of what wasn’t checked.
No signup · Actionable results · Transparent coverageOpen Email Check ↗
EMAIL QA + RETENTION STRATEGY
Better emails.
Stronger retention.
Campaigns, copy, design and Klaviyo flows, managed by one specialist. Need a second look before sending? Start with the free Email Check.
FREE TO USE · NO SIGNUP · CLEAR FINDINGS
BUILT FOR THE DETAILS
QA · MONITORING · ANALYTICS · REVENUE OPPORTUNITIES
SELECTED CLIENTS
A few brands we’ve worked with.
Email and lifecycle experience across ecommerce and B2B.
SCREAM
TRUCK
TRUCK
DEN OUTDOORS
VALDATA
WHAT WE DO
Check one email. Or hand over the calendar.
Start with a free email check or bring in hands-on help for your lifecycle marketing.
No signup · Actionable results · Transparent coverageOpen Email Check ↗
DONE-FOR-YOU SERVICES
From campaign idea to scheduled send.
Strategy, copy, design and Klaviyo execution, backed by customer insights. One experienced partner for your email program.
Explore services & pricing →
BEYOND THE AUDIT
Email marketing,
actually managed.
I plan the calendar, write and design the emails, build the flows, and review what customers do next. You get one person who knows the whole program.
Campaign management
Planning, copywriting, design and deployment.
Klaviyo flows
Welcome, abandonment, post-purchase and win-back.
Customer intelligence
Segmentation, reporting and retention analysis.
QA & deliverability
Spot issues, protect list health and improve sends.
THE PERSON BEHIND HIPPOMANGO
Jonathan Lindahl
Founder, HippoMango
M.S. in Data Science, DePaul
Strategy, copy, design
& data. One partner.
I’m Jonathan, a lifecycle marketer with a background in copywriting and a master’s in data science. I bring strategy, creative and analysis together for your email program.
Klaviyo Partner · Shopify Partner
Meet Jonathan →CLEAR ANSWERS, NOT MAGIC SCORES
Know what’s checked.
Know what’s next.
An HTML scan can’t prove an email looks right in every client. Some checks require permission or connected data. Email Check tells you what ran so you can make decisions with confidence.