Built for teams sending withKlaviyo· more ESPs coming
Try Mailmap
Score any subject line in 2 seconds.
We'll predict open + click rate from the global benchmark of real campaigns. No login, no setup.
The Intelligence Gap
The Cost of Sending Blind
Every unoptimized email is a missed revenue opportunity. Mailmap shows how your campaign is likely to perform before you hit send.
Open Rate per Campaign Type
Standard Send18.4%
Mailmap Optimized26.9%
+46% Open Rate Lift
Before-Send Forecast
Predicted open rate
26.4%
Benchmark: 18–22%
Predicted click rate
3.9%
+31% vs last send
Golden Rule score
86 / 100
+18 vs baseline
Inbox & spam risk
Low risk
Clean wording & HTML
Mailmap highlights the 3 fastest changes to increase performance before your campaign reaches thousands of inboxes.
The Anatomy of a High-Converting Campaign
🧠
Behavioral Patterns
Mailmap analyzes audience and message patterns to estimate how users will react before you send.
⚡
Engagement Signals
Predict attention hotspots, clicks and drop-off risk to improve CTA placement before launch.
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Structural Integrity
Audit HTML, links, layout and responsiveness against a conversion-focused framework.
Case Study
How Lumma achieved a 24% Revenue Increase per send.
By running campaigns through Mailmap before sending, Lumma identified structural flaws suppressing clicks and recovered meaningful revenue opportunity.
Seamlessly built forKlaviyo
+24%
Open Rate Lift
Don't send your next campaign blind.
Run your first 3 analyses free. See predicted open and click rate before you hit send.