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Base

YouTube

Video Players
Needs review
vfe46d02b
A JavaScript library for embedding and playing YouTube videos in an enhanced privacy mode, limiting cookie usage until user interaction.
Updated 11/5/2026
https://www.youtube-nocookie.com/s/player/ef321720/player_embed_es6.vflset/en_US/base.js
Overall Score
87

Recorded Observations

2

For this resource version

File Size

471.48 KB

Download size

Load Time

8.03ms

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

0255075100vfe46Normalized ScoreVersion
Security Score
Performance Score
File Size (KB)

Uptime History

Average response time over time

Version History Details

Detailed information for each version

vfe46d02bLatest
Span: 1 day
Score: 79
Size: 471.48 KB

Exposure & Risks

Security Score

Overall Security79 / 100
Security RatingNeeds review

Risk Assessment

Critical Risks1
Total Observations1

Security Rating

Needs review
Behavioral concerns detected; review and mitigation are 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

VISITOR_INFO1_LIVE8 months
Used by YouTube to estimate the user's bandwidth on pages with embedded YouTube videos.
YSCSession
Registers a unique ID to keep statistics of what videos from YouTube the user has seen.
PREF8 months
Stores user preferences such as preferred language, video quality, and playback settings for YouTube videos.

Local Storage

yt-player-headers-skip-prefs
Indicates whether to skip specific player header preferences. Used for internal player state management.
yt-player-bandwidth
Stores estimated bandwidth information for adaptive streaming and optimal video quality.
yt-remote-device-id
Stores a unique identifier for connected devices, used for remote control functionality.
yt-remote-connected-devices
Stores information about devices currently connected for remote control of the YouTube player.
yt-player-volume
Stores the user's last set volume level for the video player.
yt-player-quality
Stores the user's preferred video quality setting.
yt-player-autonav
Stores user's preference for autoplaying the next video in a playlist or suggestions.

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 Size471.48 KB
Load Time8.03ms

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
Recorded Observations
2
Is Mirror
No
Network Requests
0
Resource Hash
fe46d02b5ecb22accd4450841040cae28be306ca0f658762d6f9946867ee3480

AI Insights & Alternatives

Description

A comprehensive overview of this resource

This script is a core component of the YouTube embedded player, specifically utilized when videos are embedded from the 'youtube-nocookie.com' domain. Its primary function is to render the video player interface on a web page, manage video loading and playback, and handle various user interactions such as play, pause, volume control, and fullscreen toggling. By leveraging the 'youtube-nocookie.com' domain, this script is designed to enhance user privacy by minimizing the setting of tracking cookies on a visitor's browser until they actively interact with the video player. It communicates with YouTube's servers to fetch video content and metadata, ensuring a seamless and functional video streaming experience within the host website.

Key Features

Core functionalities and capabilities of this resource

  • Video embedding
  • Video playback
  • Privacy-enhanced mode
  • Customizable player controls
  • Stream management
  • Event handling

Alternatives

Similar libraries you might consider

Documentation & Resources

Official Documentation