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App Runtime B57b4ebb4bf53ba7

GitHub

Utilities
monitor Exposure
v6a52a587
A foundational JavaScript runtime library that powers the core interactive elements and functionalities of GitHub's web application.
10M+ sites
Updated 8/7/2026
https://github.githubassets.com/assets/app-runtime-b57b4ebb4bf53ba7.js
Exposure Score
92

Popularity

92%

Usage across websites

File Size

27.98 KB

Download size

Load Time

17.11ms

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

0255075100v6a52Normalized ScoreVersion
Security Score
Performance Score
File Size (KB)

Uptime History

Average response time over time

Version History Details

Detailed information for each version

v6a52a587Latest
Span: 2 days
Score: 85
Size: 27.98 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

Cookies

_gh_sessSession
Used to maintain a user's authenticated session on GitHub.
user_sessionSession
Used to identify an authenticated user across requests.
logged_inSession
Indicates whether a user is logged into their GitHub account.

Local Storage

github-dark-mode
Stores the user's dark mode preference for GitHub.
github-sidebar-state
Stores the state (collapsed/expanded) of the GitHub sidebar.

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 Size27.98 KB
Load Time17.11ms

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
9
Is Mirror
No
Network Requests
0
Resource Hash
6a52a5870e57b2e62388a233bf0fd536632b89a29acbeca674c6853e758cf907

AI Insights & Alternatives

Description

A comprehensive overview of this resource

This script serves as the primary client-side runtime environment for GitHub's web properties. It is responsible for initializing the application, managing user interface components, handling client-side routing, and orchestrating interactions with GitHub's APIs. It ensures that dynamic features such as code browsing, pull request reviews, issue management, and user authentication flow smoothly within the browser. When embedded on third-party sites (e.g., for showing Gists or other GitHub content), it facilitates the rendering and interactivity of those specific GitHub components, ensuring they function as intended and maintain consistency with the GitHub platform experience.

Key Features

Core functionalities and capabilities of this resource

  • Application initialization
  • Client-side routing
  • UI component management
  • API communication
  • State management
  • Event handling

Alternatives

Similar libraries you might consider

Documentation & Resources

Official Documentation