Understanding the benefits of having a main list for each channel

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Learn why Klaviyo recommends using one main list per channel, how to organize your lists in Klaviyo, and what tools you can use to identify and target subscribers based on their behavior or how they subscribed. 

How to use your lists

Lists allow you to organize your contacts and keep track of who has subscribed to each of your marketing channels (e.g., email and SMS). Klaviyo recommends using one list per marketing channel: 

  • Email list
    A list for all email contacts who have subscribed. Direct any email signup forms to this list. 
  • SMS list
    A list for everyone who has opted in to receive SMS. Direct any SMS signup forms or subscribe keywords to this list. 
  • Additional lists as needed
    For example, create a list for push notification subscribers. 

Benefits of a single main list for each channel 

Using a single list for each channel has several benefits. Learn more about how this practice is helpful below. 

Easily find all your opted-in contacts

When you use a single list per channel, it’s easy to identify everyone who has opted in to that channel. Note that when people unsubscribe from your messages, they may remain in your list (depending on how they unsubscribed). Note that unsubscribed profiles will always be skipped from any emails you send, even if they remain in the list. 

To see the number of people in your list who have not unsubscribed, use this segment: 

If someone is in or not in a list > is in > [your list]

AND

If someone is or is not suppressed for email > is not suppressed

A segment of list members who are not suppressed

When someone unsubscribes from a message sent to a segment or through a metric-triggered flow, they may be suppressed from receiving email but remain in your list. If you’d like to remove these profiles from a list, click Manage List > Remove Suppressed Profiles

The first time you click this button, you may see a substantial drop in the list’s size. Klaviyo recommends removing these profiles once per month for the most accurate list growth report results. 

Maintain good data hygiene

Maintaining good data hygiene means ensuring your Klaviyo data is error-free and up-to-date. Having more than one main list in your account may lead to the same profiles existing in multiple lists. As a result, if you consistently email these lists using separate campaigns, you may end up repeating messages and overwhelming subscribers with too much content. 

Note that if you send a single campaign to multiple lists and the same profile is in more than one list, they will not receive the same email twice.

To learn more about creating segments, head to Getting started with segments. To better understand how segments differ from lists, read Understanding the difference between segments and lists.

Access list growth visibility

For every list in Klaviyo, you can access a growth report to capture data around your list's growth over time. Having a single main list allows you to see these changes on a larger scale, gaining insight into how your subscribers behave overall rather than only seeing growth for small portions of your audience.

To find this report, click into your main list and navigate to Reports > List Growth.

A Klaviyo user accesses the list growth report

Optimize deliverability

Cleaning your lists is key to good deliverability. Having one main list makes list cleaning easier by streamlining the process to remove outdated, unengaged profiles more efficiently.

In addition to regular list cleaning, target engaged profiles in your account with email content and continually monitor your deliverability performance. To do so, create an engaged segment based on your main list. Since you plan to email these profiles, make sure that they have subscribed to email marketing with the segment criteria If someone is in or not in a list > is in > [your list].

A segment criteria requiring profiles be a member of a list

If you have multiple main lists, this makes segmenting more difficult since they could belong to any of those lists. You may miss engaged subscribers if you leave the list that they belong to out of your conditions.

By adding the condition that someone is a part of your main list in segmentation, you make sure that you only email those who have consented to email marketing. For more information on handling consent, head to our article on understanding consent in profiles

How to target subscribers with segments

Using a single list for each marketing channel doesn’t limit your ability to target your subscribers. Rather than importing contacts into multiple lists, import them into a single list and use segments to personalize each recipient’s experience. 

For example, use the $source property to identify profiles who subscribed through a certain source with the segment condition Properties about someone > $source equals [subscriber_source].

Learn how to get started with segments.

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