HTTP Response Script Injection for Ad-Block Detection
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Solution Overview
Problem
Ad blockers interfere with online advertisements, depriving content publishers of revenue and disrupting marketing and information delivery, necessitating a method to ensure advertisement display even when ad-blocking functions are activated.
Innovation Solution
A method and system that includes inserting a script into an HTTP response with instructions to prevent ad-blocking by determining whether the script is executed, allowing the loading of resources or redirecting to a separate page if not executed, ensuring advertisement delivery despite ad-blocking functions from clients or external servers like VPNs or DNSs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If ad-blocking functions are executed by clients or external servers (VPN, DNS), then advertisement blocking is achieved, but advertisement delivery and content publisher revenue are compromised
Solution Approach 1:
The patent applies preliminary anti-action by executing detection scripts before advertisement loading to identify ad-blocking functions. The system proactively detects the presence of ad-blockers (including browser extensions, VPNs, and DNS-level blocking) and takes preemptive measures to ensure advertisement delivery, rather than reacting after blocking occurs. This involves injecting detection code that runs prior to resource loading to assess the ad-blocking environment in advance.
Solution Approach 2:
The patent implements feedback mechanisms where the system continuously monitors whether advertisements are successfully loaded and displayed. Detection scripts execute and provide feedback about the ad-blocking status, allowing the system to dynamically adjust its behavior. If ad-blocking is detected, the system modifies its advertisement delivery strategy in real-time to bypass the blocking mechanism, ensuring continuous advertisement effectiveness.
2Reliability
If scripts are added to HTTP responses to prevent ad-blocking, then advertisement execution is ensured, but response complexity increases
Solution Approach 1:
The patent segments the advertisement delivery system into multiple independent components: detection scripts, advertisement content, and rendering mechanisms. The detection scripts are separated as distinct modules that can be independently injected and executed. This segmentation allows the system to manage complexity by treating detection and delivery as separate functions, making the overall response structure more manageable despite the added functionality.
Solution Approach 2:
The patent applies preliminary action by pre-compiling and pre-positioning detection scripts that are automatically injected into HTTP responses before advertisement loading. These scripts are prepared in advance and executed automatically when the advertisement is requested, eliminating the need for complex real-time decision-making during the advertisement delivery process. This reduces operational complexity while maintaining high reliability.
3Measurement precision
If detection scripts are executed to determine ad-blocking status, then accurate detection is achieved, but processing time increases
Solution Approach 1:
The patent applies partial action by executing only the necessary detection scripts and checks required to determine ad-blocking status, rather than performing comprehensive analysis. The system implements selective detection that focuses on the most common ad-blocking mechanisms (browser extensions, VPN protocols, DNS configurations) without attempting to detect every possible blocking method. This partial approach maintains sufficient detection accuracy while significantly reducing processing time and resource consumption.
Data Source
AI summary
An operation method of a server to provide an advertisement includes receiving an HTTP request from a client, and transmitting, to the client, an HTTP response with a script added, the script including at least one instruction to be executed on the client, wherein the at least one instruction may be executed by the client to detect whether an ad-blocking function is executed on the client using different web filtering techniques, and in the case that the ad-blocking function is not detected, to determine whether advertising content included in the HTTP response is loaded.