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Posthog Recorder

PostHog

Heatmaps & Session Replay
monitor Exposure
v78d13dc2
A JavaScript library for recording user sessions, including page views, clicks, scrolls, and form interactions, to enable session replay and analysis.
10M+ sites
Updated 9/23/2026
https://us-assets.i.posthog.com/static/1.434.10/posthog-recorder.js
Exposure Score
92

Popularity

92%

Usage across websites

File Size

209.66 KB

Download size

Load Time

28.75ms

Network latency

Execution Time

11.05ms

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

0255075100v78d1Normalized ScoreVersion
Security Score
Performance Score
File Size (KB)

Uptime History

Average response time over time

Version History Details

Detailed information for each version

v78d13dc2Latest
Span: 1 day
Score: 85
Size: 209.66 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_*1 year
Used by PostHog to store information about the user's session and unique identification, enabling session replay and analytics tracking across visits.
_ph_opt_out1 year
Stores user's opt-out preference for PostHog tracking.

Local Storage

ph_*
Stores user identification and session information for PostHog, similar to cookies but in local storage, providing persistence across browser sessions.

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 Size209.66 KB
Load Time28.75ms

Runtime Performance

Execution Time11.05ms
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
78d13dc262e384bfebbfc329fdff133bbbe906d1d539ce92695a5a48e81ca345

AI Insights & Alternatives

Description

A comprehensive overview of this resource

This script, posthog-recorder.js, is a client-side JavaScript component of the PostHog platform. Its primary function is to capture a detailed record of a user's interactions on a website. This includes recording DOM changes, mouse movements, clicks, scrolls, keyboard inputs, and network requests. The captured data is then sent to PostHog's servers, allowing website owners to visually replay user sessions exactly as they happened. This helps in understanding user behavior, identifying friction points, debugging issues, and optimizing user experience. The script operates asynchronously to minimize impact on page performance. It works by instrumenting the browser's native APIs and DOM events to collect data about user activity. This raw data is then processed and stored, providing a comprehensive log for later playback.

Key Features

Core functionalities and capabilities of this resource

  • Session Replay
  • User Behavior Analysis
  • DOM Recording
  • Interaction Tracking
  • Error Debugging
  • UX Optimization

Alternatives

Similar libraries you might consider

Documentation & Resources

Official Documentation