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React Core 7bf7b9d689fe3d10

GitHub

Utilities
monitor Exposure
v3b3fdd21
A core JavaScript library used by GitHub to build dynamic user interfaces for its web application.
10M+ sites
Updated 10/8/2026
https://github.githubassets.com/assets/react-core-7bf7b9d689fe3d10.js
Exposure Score
92

Popularity

92%

Usage across websites

File Size

81.68 KB

Download size

Load Time

33.36ms

Network latency

Execution Time

0.00ms

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

0255075100v3b3fNormalized ScoreVersion
Security Score
Performance Score
File Size (KB)

Uptime History

Average response time over time

No uptime history data available.

Version History Details

Detailed information for each version

v3b3fdd21Latest
Span: 1 day
Score: 85
Size: 81.68 KB

Exposure & Risks

Security Score

Overall Security85 / 100
Exposure Levelmonitor

Risk Assessment

Critical Risks0
Total Observations1

Exposure Status

Monitor
Moderate behavioral concerns, review and mitigation advised.

Behavioral Concerns

No Known Security Risks

Our telemetry scan did not detect any immediate behavioral security risks for this resource.

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

No cookies or local storage detected

Third-party Connections

External domains this script connects to

No external connections detected

Permissions Required

Browser permissions and capabilities used

No special browser permissions required.

Privacy Observations

Privacy-related findings from analysis

No privacy observations recorded for this version

Technical & Performance Analytics

Load Performance

File Size81.68 KB
Load Time33.36ms

Runtime Performance

Execution Time0.00ms
Network Requests0

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

No global variables detected

Event Listeners

Events this script listens for

No event listeners detected

Browser API Access

APIs and browser features accessed by this script

No API access detected

Technical Details

Compressed
Yes
CDN Delivery
No
Total Views
3
Is Mirror
No
Network Requests
0
Resource Hash
3b3fdd2173c054b969064438fa555003fdafe96f048729ca578639f6f74a2f4e

AI Insights & Alternatives

Description

A comprehensive overview of this resource

This script contains the fundamental runtime and utilities of React, a popular JavaScript library for building user interfaces. It enables GitHub to develop complex, interactive web interfaces by using a component-based architecture, where UI elements are encapsulated and reusable. The script efficiently updates the Document Object Model (DOM) through a virtual DOM mechanism, minimizing direct DOM manipulations and improving performance. Its primary function is to facilitate the efficient rendering and management of the website's front-end interface, ensuring a responsive and dynamic user experience. This library itself does not directly collect user data for analytics or marketing purposes. It is essential for the functionality and interactivity of the GitHub platform, allowing for features such as real-time updates, interactive forms, and dynamic content rendering.

Key Features

Core functionalities and capabilities of this resource

  • UI Rendering
  • Component-Based Architecture
  • Virtual DOM
  • Declarative UI
  • Efficient Updates
  • State Management

Alternatives

Similar libraries you might consider

Documentation & Resources

Official Documentation