
Your subject line decides whether your email gets read or deleted. Not your design. Not your offer. Not your copy. The subject line is the first thing your subscriber sees, and if it doesn’t earn the open, nothing else gets a chance. At OptinMonster, I’ve tested subject lines across our own campaigns and studied what …
![Top 40 Sales Email Subject Lines [2026]](https://cdn.optinmonster.com/wp-content/uploads/2022/09/top-40-best-sales-email-subject-lines.png)
Do you want to write the best email subject lines that can help increase sales and revenue? Well, you’re not alone. The average email open rate is around 17%, but you can push it up to 30% by following best email practices. This is especially important if you’re writing cold email subject lines for sales …

TL;DR: What Email Copywriting Is + Quick Tips Email copywriting is the art of writing the words in your marketing emails that get people to open, read, and take action. It covers four key elements: subject lines, preview text, body copy, and call-to-action (CTA) buttons. Want better results fast? Here are some copywriting tips to …

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