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Google Esp

PubMatic

Advertising
Poor
v4fb83e90
A library for facilitating programmatic advertising, often integrating with Google's ad ecosystem, to display and manage ads on a website.
Updated 11/4/2026
https://ads.pubmatic.com/AdServer/js/google-esp.js
Overall Score
72

Recorded Observations

22

For this resource version

File Size

3.06 KB

Download size

Load Time

28.07ms

Network latency

Execution Time

11.90ms

Runtime performance

Version Telemetry

Version Timeline

Visual representation of each version's active period

Metrics Over Time

Security score, performance score, and file size trends

0255075100v4fb8Normalized ScoreVersion
Security Score
Performance Score
File Size (KB)

Uptime History

Average response time over time

Version History Details

Detailed information for each version

v4fb83e90Latest
Span: 12 days
Score: 45
Size: 3.06 KB

Exposure & Risks

Security Score

Overall Security45 / 100
Security RatingPoor

Risk Assessment

Critical Risks2
Total Observations2

Security Rating

Poor
Significant behavioral concerns detected, immediate attention recommended.

Behavioral Concerns

Frequent XHR to External Domains

Detects an unusually high number of XMLHttpRequest calls to domains external to the current resource, which could indicate data exfiltration.

Data Exfiltration to External Domain

Detects if a network request is made to a domain different from the website's domain or its subdomains, which could indicate data exfiltration.

Security Observations

Security-related findings from analysis

No security observations recorded for this version

Privacy & Data Flow

Data Collection

Cookies and local storage used by this script

Cookies

KRTBCOOKIE_*Up to 1 year
Used for user identification and tracking across sites, essential for real-time bidding and targeted advertising.
PUBMDCIDUp to 1 year
PubMatic's unique user identifier for ad delivery and frequency capping.
_pubcidUp to 1 year
A common user ID for publishers, facilitating identity resolution across the ad ecosystem.
pubsyncSession
Used for cookie synchronization with other ad tech partners to enhance user matching.

Local Storage

pub_uid
Stores a unique user identifier for tracking purposes in the absence or alongside cookies.
pub_consent
Stores user consent preferences for advertising activities as required by privacy regulations.

Third-party Connections

External domains this script connects to

image6.pubmatic.com

Permissions Required

Browser permissions and capabilities used

network

Privacy Observations

Privacy-related findings from analysis

No privacy observations recorded for this version

Technical & Performance Analytics

Load Performance

File Size3.06 KB
Load Time28.07ms

Runtime Performance

Execution Time11.90ms
Network Requests11

Impact Assessment

Good
Minimal performance impact on page load

Performance Observations

Performance-related findings from analysis

No performance observations recorded for this version

Global Variables

Variables added to the global scope

__tcfapi__gpp

Event Listeners

Events this script listens for

No event listeners detected

Browser API Access

APIs and browser features accessed by this script

fetch

Technical Details

Compressed
Yes
CDN Delivery
Yes
Recorded Observations
22
Is Mirror
No
Network Requests
11
Resource Hash
4fb83e9007857fd6beb489a96c88b4fb1370d68f7fb72f0cfc29abc059536e13

AI Insights & Alternatives

Description

A comprehensive overview of this resource

This script, hosted by PubMatic, is an integral component of its programmatic advertising platform. It operates within the user's browser to enable the delivery, display, and management of digital advertisements. The 'google-esp' part of the filename suggests a specific integration or functionality related to Google's advertising services, such as Google Ad Manager or Google AdSense/AdX. The script likely handles processes such as sending ad requests to PubMatic's ad exchange, participating in real-time bidding (RTB) auctions, rendering winning ad creatives, and tracking ad impressions and clicks. Its primary role is to help publishers monetize their website inventory by connecting them with a wide range of advertisers and optimizing ad revenue through efficient ad serving and bidding mechanisms. It may also collect user interaction data to improve ad targeting and campaign performance.

Key Features

Core functionalities and capabilities of this resource

  • Programmatic Advertising
  • Ad Serving
  • Real-Time Bidding (RTB)
  • Ad Monetization
  • Publisher Tools
  • Google Ad Integration
  • Ad Tracking

Alternatives

Similar libraries you might consider

Documentation & Resources

Official Documentation