Email Open Rate

Email Open Rate

Email Open Rate shows the percentage of recipients who open your email campaigns. Here’s everything you need to know: what it is, why it matters, how to calculate it, and how to improve it!

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What is Email Open Rate?

Email Open Rate is a metric that measures the percentage of successfully delivered emails that were opened by recipients. It’s commonly used to assess subject line effectiveness, send timing, and subscriber engagement.

What is Email Open Rate?

Why Is Email Open Rate Important?

Email Open Rate helps marketers evaluate how well their emails are capturing attention. A strong open rate typically leads to better click-through and conversion rates, while low open rates may indicate issues with content, timing, or deliverability.

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How to Calculate Email Open Rate

Divide the number of unique opens by the number of delivered emails and multiply by 100 to express the result as a percentage.

Email Open Rate (%) = (Unique Opens ÷ Emails Delivered) × 100

How to Calculate Email Open Rate

The Email Open Rate Formula:

Email Open Rate (%) = (Unique Opens ÷ Emails Delivered) × 100

Example of Email Open Rate in Action

If you send 5,000 emails and 1,000 recipients open them, your Email Open Rate is 20%. This indicates one out of every five recipients engaged with your subject line and opened the message.

Optimize Your Email Open Rate with OWOX BI

Optimize Your Email Open Rate with OWOX BI

OWOX BI integrates with your email platforms to analyze open rate trends by audience, timing, and subject line. Gain insights into what drives engagement and refine your email strategy for better results.

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What Is a Good Email Open Rate?

What Is a Good Email Open Rate?

A good Email Open Rate varies by industry, but 20–30% is often considered healthy. Higher rates suggest your emails are reaching and resonating with the right audience.

What Is a Bad Email Open Rate?

What Is a Bad Email Open Rate?

An Email Open Rate below 15% may indicate poor subject lines, weak sender reputation, bad timing, or outdated email lists.

Best Practices for Email Open Rate

Craft Compelling Subject Lines

Use curiosity, urgency, or personalization to grab attention and encourage recipients to open your emails.

Optimize Send Timing

Test different days and times to find when your audience is most likely to check and open emails.

Maintain a Clean Email List

Regularly remove inactive subscribers to improve deliverability and engagement rates.

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Common Mistakes to Avoid with Email Open Rate

Don’t use misleading subject lines or send too frequently. Ignoring mobile formatting and authentication protocols can also reduce open rates.

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