OPEN RATE IS A DELIVERABILITY AND SUBJECT LINE PROBLEM
Low open rates have two root causes. The first is deliverability — your emails are not reaching the inbox (or are being filtered to promotions). The second is subject lines — your emails are reaching the inbox but not compelling opens. Fix deliverability first, then optimize subject lines. Doing it in the wrong order means optimizing subject lines on emails that are already landing in spam.
WHAT'S INSIDE — PREVIEW
01
What is covered in this guide — how to improve email open rates — and how to use it.
Complete coverage · Step by step
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Implementation checklist: Step-by-step action items you can complete today.
Checklist · Action items
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Benchmarks: Industry-standard metrics and targets for this topic.
Benchmarks · KPIs
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Common mistakes: The errors most brands make — and how to avoid them.
Anti-patterns · Mistakes
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Tools and tech stack: Which platforms and tools are referenced.
Tools · Stack
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Templates and copy: Ready-to-use copy and template snippets.
Copy · Templates
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Worked examples: Real brand examples with context.
Examples · Case studies
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Related resources: What to read next for deeper implementation.
Related · Next steps