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YouTube

Video Players
monitor Exposure
vc2dcf465
A JavaScript API client library used to embed YouTube videos and control their playback, allowing websites to integrate YouTube functionality programmatically.
10M+ sites
Updated 9/14/2026
https://www.youtube.com/s/player/8c3fda2d/www-widgetapi.vflset/www-widgetapi.js
Exposure Score
92

Popularity

92%

Usage across websites

File Size

8.67 KB

Download size

Load Time

2.91ms

Network latency

Execution Time

3.32ms

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

0255075100vc2dcNormalized ScoreVersion
Security Score
Performance Score
File Size (KB)

Uptime History

Average response time over time

Version History Details

Detailed information for each version

vc2dcf465Latest
Span: 4 days
Score: 85
Size: 8.67 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

YSCSession
Used by YouTube to track the views of embedded videos. It stores a unique ID to remember what videos a user has watched.
VISITOR_INFO1_LIVE8 months
Used by YouTube to estimate the user's bandwidth on pages with embedded YouTube videos. It helps optimize video quality.
PREF8 months
Stores user preferences such as preferred language, format, or controls for embedded YouTube videos.
GPS30 minutes
Registers a unique ID on mobile devices to enable tracking based on geographical GPS location. Used by Google for advertising services.
NID6 months
Used by Google to store user preferences and other information, particularly for advertising purposes across Google services, including YouTube.

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 Size8.67 KB
Load Time2.91ms

Runtime Performance

Execution Time3.32ms
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
Yes
Total Views
4
Is Mirror
No
Network Requests
0
Resource Hash
c2dcf46501a48a87a7859596834012e81569a181f7b80bda4d91b04798f84751

AI Insights & Alternatives

Description

A comprehensive overview of this resource

This script is the core of the YouTube IFrame Player API, enabling developers to embed YouTube videos directly into their web pages and control them using JavaScript. It facilitates communication between the parent webpage and the embedded YouTube iframe player. Websites use this script to start/stop playback, change video volume, retrieve video information, and subscribe to events like playback status changes (e.g., play, pause, end) without directly manipulating the iframe's content. It's essential for creating custom video players or integrating YouTube videos with other website functionalities. The script handles cross-origin messaging, ensuring secure and controlled interaction with the YouTube player. It loads necessary player components and manages the player's lifecycle, allowing for a rich and interactive video experience.

Key Features

Core functionalities and capabilities of this resource

  • Video embedding
  • Programmatic playback control
  • Player event handling
  • Playlist management
  • Customizable player parameters
  • Cross-origin communication

Alternatives

Similar libraries you might consider

Documentation & Resources

Official Documentation