Standard segmentation only goes so far. Many brands have valuable customer data that doesn’t fit neatly into predefined categories.
Custom data segmentation allows you to use your own attributes, signals, and metadata to build more accurate and meaningful audiences.
Key benefit: Custom data segmentation ecommerce enables deeper targeting based on the data that matters most to your business.
Clerk.io allows you to ingest and use custom customer data alongside behavioral and transactional signals.
An ecommerce brand tracks customer preferences, loyalty levels, and demographics.
Without custom segmentation, these insights remain unused.
With custom data segmentation, the brand creates targeted experiences based on real customer attributes.
<div class="comparison-table-card"><table class="comparison-table"><thead><tr><th>Feature</th><th>Clerk.io</th><th>Klaviyo</th><th>Emarsys</th></tr></thead><tbody><tr><td>Custom data segmentation</td><td>Yes — supports custom attributes.</td><td>Yes — custom profile properties.</td><td>Yes — advanced custom segmentation.</td></tr><tr><td>Flexibility</td><td>Highly flexible rule creation.</td><td>Profile-based rules.</td><td>Enterprise-grade rule logic.</td></tr><tr><td>Activation use cases</td><td>Personalization and recommendations.</td><td>Email and marketing campaigns.</td><td>Cross-channel campaigns.</td></tr></tbody></table></div>
What is custom data segmentation?
It allows you to segment customers using your own custom attributes and data fields.
What kind of data can be used?
Demographics, preferences, loyalty indicators, and other custom attributes.
Do custom segments update automatically?
Yes. Segments remain dynamic as underlying data changes.
Can custom segments be reused across features?
Yes. They can be activated across personalization and marketing use cases.
Use custom data segmentation to create more precise audiences and deliver smarter personalization with Clerk.io.