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GlossaryBrowser Tracking APIs

Browser Tracking APIs

Browser Tracking APIs encompass a range of web technologies and application programming interfaces (APIs) that enable websites, advertisers, and analytics firms to gather comprehensive information regarding users' web browsers and their online behavior.

What Are Browser Tracking APIs?

Browser Tracking APIs do not refer to a specific official set of APIs meant exclusively for tracking purposes. Instead, they represent an assortment of Web APIs, technologies, and features that browsers offer, which can be utilized by websites to gather data about a user's device, behavior, and identity for tracking purposes.

Common Technologies and APIs Used for Tracking

Examples of Tracking Scenarios

  • Cross-Site Advertising (Behavioral Targeting): Implement Canvas/WebGL Fingerprinting and Navigator information to establish a unique identifier for cross-site advertisement placement.
  • Account Security & Fraud Detection: Utilize device fingerprinting (Web Audio/WebGL) and Geo-IP information to identify unusual login attempts and avert Account Takeovers (ATO).
  • UX/Performance Optimization: Capture user interaction metrics and hardware information to produce session replays and heatmaps for analyzing conversion rates (CRO).
  • Social Media Content/Ad Push: Leverage Embedded Third-Party Content (such as Like buttons, Share widgets) to create Third-Party Cookies on sites that are not part of the platform, facilitating accurate interest targeting and content suggestions.

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FAQs

Cookies save information directly on your device, which you can remove at any time. In contrast, API fingerprinting gathers data from the unique characteristics of your device without storing anything locally, making it more challenging to identify or eliminate.

Yes, although there are some compromises involved. Privacy-focused browsers such as Brave and Firefox (with resistFingerprinting turned on) and tools like CanvasBlocker can restrict or alter API information, but this might disrupt certain features of websites, such as visual elements or video playback.

For those who need advanced control over multiple accounts, using a specialized anti-detect browser is advisable. For regular browsing, opting for a privacy-enhanced browser like Brave or Tor Browser is recommended. Additionally, extensions like CanvasBlocker can provide support, although they may lead to issues with website functionality.

They have the potential to do so. When utilized together, they can facilitate ongoing, identifiable tracking without the user's knowledge or permission, frequently bypassing conventional cookie consent requirements.

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