You will learn

Learn about the Subscribed to List metric, which appears on a customer’s profile whenever they subscribe to a list in Klaviyo. This includes:

  • When someone fills out a Klaviyo signup form and then confirms their subscription (via double opt-in).
  • When a profile is added to a list with email consent via Quick Add.
  • When a profile is added to a list with email consent via CSV upload.
  • When someone subscribes through a Klaviyo-built integration, or certain third-party integrations.

Because of this, it is crucial to understand best practices around using it for creating segments. In this article, you will learn what the Subscribed to List metric entails and when to use it.

The subscribed to list metric

The Subscribed to List is a metric that appears on a customer’s profile when they subscribe to one of your lists. Below is an example of what this metric will look like in a profile.

For SMS events only, Klaviyo is able to record multiple Subscribed to a list events.

Subscribed to list event on a profile
Subscribed to list event on a profile

If someone enters their information into the same form multiple times, they will not have multiple Subscribed to List metrics found under their profile, nor will they be re-added to the list multiple times.

Klaviyo will only add a Subscribed to List event to a given profile if they are either:

When the subscribed to list metric is added to a profile

The Subscribed to List metric will appear whenever someone subscribes to a list that they weren’t previously subscribed to.

To learn more about subscribers syncing from Shopify, check out How to sync Shopify email subscribers to a Klaviyo list.

When to use in a flow

In general, using the Subscribed to List metric to trigger your flow is not a best practice. Instead, if you want customers in a specific list to go through your flow when added, create a list-triggered flow.

Available flow triggers
Available flow triggers

If you do use this metric to trigger your flow, be sure to add a trigger filter identifying the specific list you are referring to with the Subscribed to List metric. For example, this trigger filter is: List equals Product Review List.

Added to list flow trigger
Added to list flow trigger

When to use in a segment

Use the Subscribed to List metric when building a segment if you want to view how many people subscribed to a list. For example, if you want to see how many of a list's members were added in the last 2 weeks.

  • If someone is or not in a list > Person is in [List name]
    AND
  • Subscribed to list at least once in the last 14 days
Segment using subscribed to list event
Segment using subscribed to list event

Additional resources

  • How to manage your sign-up forms

    Learn tips for managing your existing sign-up forms so you can ensure they are aesthetically pleasing and functional for customers interested in engaging with your brand.

  • How to create an email welcome series

    Learn how to create a sequence of emails sent directly after someone subscribes to hear from your brand. This is a critical moment in the customer lifecycle because it's your opportunity to introduce new, interested prospects to your business and product offering. With a welcome series, you should capitalize on this display of interest.

  • Understanding flow triggers and filters

    Learn more about Klaviyo filters which can be used to further narrow triggers or actions in flows. For example, if a flow triggers when someone places an order, a trigger filter could be added to limit this to specific product types. Trigger filters are evaluated alongside the trigger itself to only let certain people into a flow.

  • Email metrics reference

    Learn more about what specific metrics in Klaviyo are associated with your customers' interactions with your emails. Understanding the metrics in your account is crucial to gaining insight into how your marketing initiatives are performing.

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