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Email Performance: Improvement Guide
Email Performance: Improvement Guide
This guide walks you through the simple changes you can make in order to improve your email engagement rates.
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Written by Support Team
Updated over a week ago

Improving Email Engagement

It’s critical to optimize your email send time since it has a large impact on the amount of opens, reads, and clicks. In fact, 23% of emails are opened in the first hour after sending. Of course, many factors contribute like subject, audience, topic, and your readers’ lifestyle and habits.

In general though, when it comes to timing follow these guidelines for highest open rates:

Day of Week

  • Tuesday, Wednesday, Thursday, or Sunday

Time of Day

  • 7am – 9am local time

  • 4pm – 8pm local time

  • 11am – 1pm local time

Note that this recommendation is subject to many factors and is based on Vestorly average email performance metrics.

Improving Email Subject Line

The subject line of an email is one of the most important factors when it comes to email engagement. Including a unique, timely, or relevant subject line for your emails will encourage your readers to engage.

If you are seeing low engagement but have also maintained the same subject line for your emails, it’s likely there is fatigue among your audience and the email appears automated / not personalized to the reader. Vestorly suggests trying the following: 

  • Have interchangeable subject lines

  • Base your subject line on a featured article

  • Ensure your subject lines are timely or specific

You should see a boost in engagement rates with a change in subject line.


If you’re seeing low engagement, try adjusting the day and time when you’re sending your newsletter. Pairing this new time with an alternative subject line will help encourage your audience to engage and read your newsletter.

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