Understanding the campaign deliverability tab

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Learn about the campaign deliverability tab in Klaviyo, that provides an overview of key deliverability performance metrics for your sends. This can help you easily identify low-performing email domains and countries, so you can take action to protect your deliverability. 

Deliverability tab 

You can analyze the deliverability performance of each email campaign using the dedicated Deliverability tab. To access this page, navigate to a sent email campaign and select the tab called Deliverability.  

Deliverability tab on sent campaign

This page displays data around your campaign’s performance for key deliverability metrics, and an indicator showing whether your performance in these areas is Healthy, Room for improvement, or Needs Attention.

These metrics include:

Key deliverability metrics for your campaign

Deliverability performance targets

Metric Needs attention

Room for Improvement 

Healthy

Bounce Rate

>2%

1%-2%

< 1.0%

Spam Complaint Rate

>0.05

0.01%-0.05%

< 0.01%

Unsubscribe Rate

>1%

0.3%-1%

< 0.3%

Open Rate

<27%

27%-33%

> 33.0%

Click Rate 

<0.8%

0.8%-1.2%

> 1.2%

If your performance is labeled as Room for improvement or Needs Attention in any of these areas, see our guides on troubleshooting declining performance.

Deliverability insights 

The deliverability tab for campaigns displays information regarding: 

Performance by inbox provider 

This chart helps you identify whether your deliverability issues are isolated to a specific inbox provider. It shows key deliverability metrics across the inbox providers your customers are using so you can easily identify differences in performance.

The five default inbox providers that will appear upon load are those with the most messages received. If a particular inbox provider has a health status of Needs Attention, it will appear on load for visibility.

This information is broken down into two categories:

Positive engagements
When chosen, the graph will display:

  • Open Rate
  • Click Rate

Performance by inbox provider chart showing postive engagements

Negative engagements
When chosen, the graph will display:

  • Bounce Rate
  • Unsubscribe Rate
  • Spam Complaint Rate

Performance by inbox provider chart showing negative engagements

If you are seeing deliverability performance issues here, you can strengthen your sender reputation for an inbox provider.

Performance by email domain 

This chart helps you identify whether your deliverability issues are isolated to a specific email domain. It shows key deliverability metrics across the different email domains your customers are using so you can easily identify differences in performance.

The five default domains that will appear upon load are those with the most messages received. If a particular domain has a health status of Needs Attention, it will appear on load for visibility. 

This information is broken down into two categories:

Positive engagements
When chosen, the graph will display:

  • Open Rate
  • Click Rate

Performance by email domain showing positive enagegments

Negative engagements
When chosen, the graph will display:

  • Bounce Rate
  • Unsubscribe Rate
  • Spam Complaint Rate

Performance by email domain showing negative enagegments

If you are seeing deliverability performance issues here, you can strengthen your sender reputation for a specific domain.

Performance by country 

This chart helps you to better understand your contact base through a performance breakdown by country. This can help you optimize send times for your primary audience.

Learn more about how location is set for profiles in Klaviyo.


The five default countries that will appear are those with the most messages received. If a particular country has a health status of Needs Attention, it will appear on load for visibility.

This information is broken down into two categories:

Positive engagements
When chosen, the graph will display:

  • Open Rate
  • Click Rate

Performance by country showing positive enagegments

Negative engagements
When chosen, the graph will display:

  • Bounce Rate
  • Unsubscribe Rate
  • Spam Complaint Rate

Performance by country showing positive enagegments

If you are seeing deliverability performance issues here, you can strengthen your sender reputation for a specific country.

Performance by email client

This chart helps you gain insight into how recipients are viewing your email. You can see a breakdown between desktop and mobile usage, and can use it to determine if you need to optimize for one device or the other. It shows the total opens and the breakdown of that total by device type. 

To optimize email content between desktop and mobile, you can utilize third-party tools such as Litmus or Email on Acid to preview your emails on a wide variety of devices and inbox providers.

Learn more about optimizing content for mobile in Klaviyo, and the basics of designing great emails

Performance by email client report showing desktop and mobile users

Dropdown health status

When a particular domain or country is experiencing very poor performance in any of the key deliverability metrics, a Needs Attention status will appear next to the field.

Needs attention flag in drop down near low performing items

This status will only be visible if two or more of the deliverability metrics are in the Needs Attention range, and the country or email domain makes up 5% or more of the total send volume for the campaign.   

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