The main advantage of Segments is that they update automatically and in real-time. By setting the rule, you define the qualifications your customers should meet to be added or removed from the Segment.

Continue reading this article to find out more about different types of Segments and update timings.


Conditional Segments
Date-based Segments
Updating an existing Segment

Depending on the Segment update time, we can distinguish two main types of Segmentations:

  • Conditional Segments;

  • Date-based Segments (specify the time when the event took place).

Conditional Segments

For Conditional Segments, we can say that they update instantly. Every time new information is added, it is checked against the rule, and the contact is added/removed from the Segment. If information is synced from your store platform with a delay, it will be checked against the rule in the Segment as soon as it hits Omnisend.

Although we say that Segments are updated instantly, it takes some time to process this information. The delay we are talking about is not longer than a minute.

⚠️ If you are setting a Segment as an Audience filter or a Split-condition, you should account for the processing time.

Date-based Segments

This type of Segments is also updated in real-time, but according to the date settings. Let's say that your Segment should filter out the contacts that placed an order in the last 30 days.

In this case, the Segment is updated every day at 12 am in your time zone. The time zone can be changed in the Store Settings -> Contact information -> Time zone.

Updating an existing Segment

If you want to update an existing Segment, you should change the rule and click on the Update segment button. If you are using this Segment as a trigger in the Segment entry/exit based automation, you will need to choose whether you want to trigger the workflow for the contacts affected by rule update.

⏲️When you are building a new Segment or updating an existing one, the number of contacts you have will have a direct impact on the processing time. While it takes a few seconds to process a 10k contacts' list, it may take up to a minute for 100k.

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