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Base

YouTube

Video Players
monitor Exposure
v7db6889d
A core JavaScript library for rendering and controlling embedded YouTube video players on third-party websites.
10M+ sites
Updated 8/16/2026
https://www.youtube.com/s/player/b0d2d49a/player_embed_es6.vflset/en_US/base.js
Exposure Score
90

Popularity

92%

Usage across websites

File Size

466.41 KB

Download size

Load Time

11.19ms

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

0255075100v7db6Normalized ScoreVersion
Security Score
Performance Score
File Size (KB)

Uptime History

Average response time over time

Version History Details

Detailed information for each version

v7db6889dLatest
Span: 3 days
Score: 85
Size: 466.41 KB

Exposure & Risks

Security Score

Overall Security85 / 100
Exposure Levelmonitor

Risk Assessment

Critical Risks1
Total Observations1

Exposure Status

Monitor
Moderate behavioral concerns, review and mitigation advised.

Behavioral Concerns

Large Transfer Size

Detects if a resource has a large transfer size, which might impact performance.

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
Registers a unique ID to keep statistics of what videos from YouTube the user has seen.
VISITOR_INFO1_LIVE6 months
Used to estimate the user's bandwidth on pages with embedded YouTube videos.
PREF8 months
Stores user preferences for the embedded player, such as language or playback settings.
GPS30 minutes
Registers a unique ID on mobile devices, often used for location-based services or advertising.
CONSENTVaries (e.g., 2 years)
Used to store the user's consent state for Google services.

Local Storage

yt-player-headers-read
Stores flags related to player state and headers for optimized playback.
yt-player-bandwidth
Stores estimated bandwidth information to adapt video quality.
yt-remote-device-id
Stores a unique ID for device pairing with TV or other devices for remote control functionality.
yt-remote-connected-devices
Stores information about connected devices for casting functionality.
yt-remote-cast-available
Indicates the availability of cast devices to the player.

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 Size466.41 KB
Load Time11.19ms

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

_yt_playerytytDomDomGetNextIdytEventsEventsListenersytEventsEventsCounterytglobalytPubsub2Pubsub2InstanceytPubsub2Pubsub2SubscribedKeysytPubsub2Pubsub2TopicToKeysytPubsub2Pubsub2IsAsyncytPubsub2Pubsub2SkipSubKeyytNetworklessLoggingInitializationOptionsytPubsubPubsubInstanceytPubsubPubsubTopicToKeysytPubsubPubsubIsSynchronousytPubsubPubsubSubscribedKeysytLoggingTransportTokensToCttTargetIds_ytLoggingTransportTokensToJspbCttTargetIds_ytLoggingGelSequenceIdObj_ytLoggingDocDocumentNonce_yt_logging_screenytLoggingLatencyUsageStats_ytDebugData

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
5
Is Mirror
No
Network Requests
0
Resource Hash
7db6889dceeac8a183482115414381d4a56ed6e9a867929a854a8e6c9b92e2ce

AI Insights & Alternatives

Description

A comprehensive overview of this resource

This script (`base.js`) is a fundamental component of the YouTube embedded player. It is responsible for initializing the video player interface, managing video loading, playback controls (play, pause, volume, seek), and handling user interactions within the embedded player. It facilitates communication with YouTube's content delivery network and backend services to stream video content efficiently. Furthermore, it manages API interactions, allowing websites to programmatically control the embedded player and respond to player events, ensuring a consistent and interactive video experience for viewers across different platforms and browsers.

Key Features

Core functionalities and capabilities of this resource

  • Video Playback
  • Embedded Player
  • Video Controls
  • Adaptive Streaming
  • Content Delivery
  • Player API
  • User Interaction Management

Alternatives

Similar libraries you might consider

Documentation & Resources

Official Documentation