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Posthog Recorder

PostHog

Heatmaps & Session Replay
monitor Exposure
vd4e0a0d2
A JavaScript library that enables session recording, capturing user interactions and DOM changes to provide visual replays of user sessions.
10M+ sites
Updated 8/12/2026
https://us-assets.i.posthog.com/static/1.415.6/posthog-recorder.js
Exposure Score
92

Popularity

92%

Usage across websites

File Size

175.17 KB

Download size

Load Time

30.32ms

Network latency

Execution Time

10.40ms

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

0255075100vd4e0Normalized ScoreVersion
Security Score
Performance Score
File Size (KB)

Uptime History

Average response time over time

Version History Details

Detailed information for each version

vd4e0a0d2Latest
Span: 1 day
Score: 85
Size: 175.17 KB

Exposure & Risks

Security Score

Overall Security85 / 100
Exposure Levelmonitor

Risk Assessment

Critical Risks0
Total Observations1

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

ph_distinct_id_*1 year
Stores a unique identifier for each user to track their activity across sessions.
ph_session_id_*30 minutes
Stores a unique identifier for the current user session.

Local Storage

ph_distinct_id
Stores the user's distinct ID in local storage for persistence across browser sessions.
posthog-js-*-session-id
Stores the current session ID for the PostHog library, specific to a project.
posthog-js-*-session-recording-events
Temporarily stores session recording events before they are sent to the PostHog backend.

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 Size175.17 KB
Load Time30.32ms

Runtime Performance

Execution Time10.40ms
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
2
Is Mirror
No
Network Requests
0
Resource Hash
d4e0a0d20491cf88d86bea07a8cafa351af21129321e536b761c3bfb13b243b6

AI Insights & Alternatives

Description

A comprehensive overview of this resource

This script, `posthog-recorder.js`, is a core component of the PostHog platform, specifically designed to capture and replay user sessions on a website. It operates by observing and recording various user interactions such as mouse movements, clicks, scrolls, form inputs, and changes to the Document Object Model (DOM). This raw interaction data is then transmitted to the PostHog backend, where it is processed and can be replayed visually. The primary purpose is to allow website owners to understand user behavior, identify pain points, debug issues, and improve the overall user experience. The script runs continuously in the user's browser throughout their session, collecting comprehensive data. Due to its detailed data capture, it has notable privacy implications as it records potentially sensitive user interaction data.

Key Features

Core functionalities and capabilities of this resource

  • Session Recording
  • User Behavior Analysis
  • Bug Replication
  • UX Optimization
  • Interaction Tracking
  • DOM Change Capture
  • Visual Replay

Alternatives

Similar libraries you might consider

Documentation & Resources

Official Documentation