the internet after cookies
One cohesive, portable profile kept on your device, under your control.
Memento gives you
A cohesive portable profile
Memento replaces fragmented tracking with a portable profile stored on your device. Your information stays private and under your control.
A post-cookie profile layer
Memento lets services use your profile on-device. No cross-site tracking, just better relevance and higher quality signals.
A user-controlled personalization engine
Use your on-device profile to personalize content, feeds, and recommendations without giving up control.
Fast, lightweight integration
Memento is a lightweight layer. Publishers can integrate quickly to unlock post-cookie personalization and new revenue.
Users in control, everyone wins
By design, Memento keeps the profile on-device while giving apps, sites, and advertisers better signals and better outcomes.
News
05.2026
Use My Device Advertising
Memento Beta delivers ad selection entirely on-device, using secure user profiles in a fully post-cookie model.
12.2025
Memento Reaches 2M+ Profiles
Memento surpasses 2 million profiles, proving stronger relevance and engagement across early publisher deployments.
03.2025
USPTO Accepts Memento Patent
USPTO accepts non-provisional patent application: Systems and Methods for Client-side Content Personalization with Privacy Protection.