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OneSignal logo
Push NotificationsMedium complexity

OneSignal

by onesignal

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Sets cookies
No
Sends PII
No
Cross-site tracking
No
Consent required
Advertising / Marketing
Transfer mechanism
Standard Contractual Clauses

Overview

Push notification and in-app messaging platform. Provides web push, mobile push, email, and SMS messaging. Collects device tokens, subscription status, and engagement data to deliver targeted notifications.

Detection capabilities

Signature count
2
Detection methods
network
Property types
hostnamepathname

Performance impact

Performance Impact

Requests per page
2

Common mistakes

  • 1Showing the browser push notification prompt immediately on page load without context, leading to denials
  • 2Loading the OneSignal SDK before consent, which may collect analytics data before the user subscribes
  • 3Not providing a clear unsubscribe mechanism within the notification experience

Compliance considerations

Collects push notification tokens, device identifiers, and engagement data. Push notification subscription requires explicit user opt-in via the browser/OS prompt. The OneSignal SDK itself may collect analytics data about notification delivery and engagement. Ensure marketing consent covers both the push subscription and associated analytics.

Related services

Xtremepush

Xtremepush

Push NotificationsLow risk

2 detection signatures

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