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Catalyst 52ed81112a548e10

GitHub

Utilities
monitor Exposure
vd95746b6
A JavaScript framework used by GitHub to build dynamic and interactive user interfaces for its web applications.
10M+ sites
Updated 10/7/2026
https://github.githubassets.com/assets/catalyst-52ed81112a548e10.js
Exposure Score
92

Popularity

92%

Usage across websites

File Size

2.29 KB

Download size

Load Time

67.37ms

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

0255075100vd957Normalized ScoreVersion
Security Score
Performance Score
File Size (KB)

Uptime History

Average response time over time

Version History Details

Detailed information for each version

vd95746b6Latest
Span: 2 days
Score: 85
Size: 2.29 KB

Exposure & Risks

Security Score

Overall Security85 / 100
Exposure Levelmonitor

Risk Assessment

Critical Risks0
Total Observations0

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 Size2.29 KB
Load Time67.37ms

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
23
Is Mirror
No
Network Requests
0
Resource Hash
d95746b6a3fc007adb1d305d83adfa7a430e952843810f61075a1b2b10e32fc1

AI Insights & Alternatives

Description

A comprehensive overview of this resource

Catalyst is a lightweight JavaScript framework developed and used by GitHub to create reactive and component-based user interfaces. It enables developers to build complex client-side functionality, manage UI state, and handle user interactions efficiently. The script operates within the browser, enhancing the user experience by providing dynamic content updates, responsive elements, and a smooth interactive flow without requiring full page reloads. It is designed to be performant and to work seamlessly within GitHub's existing infrastructure, offering capabilities such as declarative rendering, event delegation, and state management for various UI components across the GitHub platform. This allows for a more fluid and engaging user experience when navigating repositories, interacting with issues, or using other GitHub features.

Key Features

Core functionalities and capabilities of this resource

  • Component-based UI
  • Reactive updates
  • Event handling
  • Client-side interactivity
  • UI state management
  • Declarative rendering

Alternatives

Similar libraries you might consider

Documentation & Resources

Official Documentation