First-Party Cookie Pixel for Cross-Domain Impression Tracking

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Solution Overview

Problem

Digital advertising faces challenges in targeting and identifying users due to increasing restrictions on third-party cookies, which limits the ability to capture impressions and actions of online users effectively.

Innovation Solution

Implementing a system that uses first-party cookies embedded in pixels within digital content, such as advertisements and emails, to capture impressions and actions by treating the cookies as friendly first-party cookies when users access a specific domain, allowing for data storage and retrieval directly from the user's browser.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If third-party cookies are used for cross-site tracking and ad-serving, then user identification and impression capture capability is improved, but reliability deteriorates due to increasing browser restrictions and deprecation of third-party cookies

Engineering Contradiction:
Improveuser identification capabilityVSAvoidbrowser restrictions on third-party cookies
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent uses first-party cookies as an intermediary mechanism to achieve user identification and impression tracking without relying on third-party cookies. By embedding pixels that set first-party cookies on the user's device, the system can capture impression data while navigating the browser restrictions against third-party cookie usage.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent changes the fundamental parameter of cookie type from third-party to first-party. This parameter change allows the system to maintain user identification capability while adapting to browser restrictions that are deprecating or blocking third-party cookies.

Inventive Principle:
Principle #35Parameter changes

2Reliability

If first-party pixels are embedded in digital content to capture impressions, then user tracking capability is improved, but device complexity increases due to pixel embedding and cookie management requirements

Engineering Contradiction:
Improveimpression capture capabilityVSAvoidpixel embedding system
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The pixel serves multiple functions: it acts as both a tracking mechanism for impression capture and a delivery vehicle for setting first-party cookies. This multi-functionality reduces the need for separate complex systems while maintaining reliable impression capture capability.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The pixel system is self-contained and automatically handles both the tracking of impressions and the setting of cookies without requiring external intervention. The pixel embeds itself in digital content, automatically captures data when viewed, and manages cookie storage, thereby reducing overall system complexity.

Inventive Principle:
Principle #25Self-service

3Productivity

If cookies store impression data directly in the browser, then data collection independence is improved, but loss of information increases due to cookie storage limits and data expiration

Engineering Contradiction:
Improvedata collection independenceVSAvoidimpression data retention
Core Design Contradiction:
ProductivityVSLoss of information

Solution Approach 1:

The system performs preliminary actions by setting cookies with expiration dates and implementing data rotation mechanisms before the cookie storage limits are reached. This allows the system to maintain independent data collection while proactively managing the risk of information loss through pre-planned data rotation and expiration handling.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent implements a mechanism that discards old impression data when storage limits are approached and recovers by rotating to new data. This cycle maintains the ability to collect data independently while managing the inherent limitations of browser-based cookie storage.

Inventive Principle:
Principle #34Discarding and recovering

Data Source

PatentUS11228632B1Facilitating inter-system data transfer by leveraging first-party cookie handling
Publication Date: 2022.01.18 CHARLES SCHWAB & CO INC
  • US11228632B1 patent drawing
  • US11228632B1 patent drawing
  • US11228632B1 patent drawing

AI summary

A system for capturing impression data includes a server in communication with a user's computing device via a communications network. The server is configured to generate a pixel for embedding in a digital communication viewable in a web browser on the user's computing device. The pixel is served from a domain associated with the server. The server is configured to, in response to the digital communication being viewed in the web browser on the user's computing device, set a cookie on the user's computing device via the pixel. The cookie is configured to store data associated with one or more impressions of digital communications viewed on the user's computing device. The server is configured to, in response to the user's computing device accessing the domain via the web browser, receive the stored data associated with the one or more impressions from the cookie set on the user's computing device.