Klaviyo CDP: Anonymous Visitor Activity Backfilling (Explained)

How it works with Klaviyo.js; storage and consent; when events sync; use cases for segmentation and flows; privacy considerations.

With anonymous visitor activity backfilling, Klaviyo stores on‑site actions locally and syncs them once a visitor is identified (e.g., via a form or email click). This provides richer pre‑ID context to power segments and triggered messages. Ensure consent aligns with your cookie tool; sensitive data should use server‑side or delayed transmission.

Q1: Enabled by default?
A: No—toggle it in account settings.
Q2: Storage limits?
A: Local storage supports up to ~10,000 events (browser‑dependent).

We’ll configure CDP tracking and build segments that convert. Talk to VALIX.