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Posthog Recorder

PostHog

Heatmaps & Session Replay
monitor Exposure
vb12ccd93
A JavaScript library for capturing user interactions, recording sessions, and generating heatmaps to analyze user behavior on a website.
10M+ sites
Updated 9/10/2026
https://us-assets.i.posthog.com/static/1.429.1/posthog-recorder.js
Exposure Score
92

Popularity

92%

Usage across websites

File Size

203.27 KB

Download size

Load Time

31.50ms

Network latency

Execution Time

37.18ms

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

0255075100vb12cNormalized ScoreVersion
Security Score
Performance Score
File Size (KB)

Uptime History

Average response time over time

Version History Details

Detailed information for each version

vb12ccd93Latest
Span: 1 day
Score: 85
Size: 203.27 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_phc_*1 year
Used by PostHog to store a unique identifier for each user, allowing for consistent tracking across sessions and pages.
ph_session_id30 minutes
Used to identify the current user session for tracking and recording purposes.

Local Storage

ph_current_session_id
Stores the ID of the currently active recording session.
ph_distinct_id
Stores the distinct identifier for the current user.
ph_*
General wildcard for other PostHog related local storage keys used for temporary state or configuration.

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 Size203.27 KB
Load Time31.50ms

Runtime Performance

Execution Time37.18ms
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
4
Is Mirror
No
Network Requests
0
Resource Hash
b12ccd93ba011b281832a09b38243cd72f9d00d24cec5fc9d8b1fee1924df2aa

AI Insights & Alternatives

Description

A comprehensive overview of this resource

This script is a core component of the PostHog platform, specifically designed for session recording and heatmap generation. When embedded on a website, it captures various user interactions including mouse movements, clicks, scrolls, form inputs, and page navigations. This data is then transmitted to PostHog's servers, allowing website owners to replay entire user sessions to understand user journeys, identify usability issues, and analyze conversion funnels. Beyond session replays, the script also collects data necessary to create heatmaps, visually representing areas of high user engagement (e.g., click density, scroll depth) on a webpage. It operates asynchronously to minimize its impact on the website's loading performance and user experience, providing detailed analytics without significantly hindering site speed.

Key Features

Core functionalities and capabilities of this resource

  • Session recording
  • Heatmaps
  • User behavior analytics
  • UX optimization
  • Replay user sessions
  • Click tracking
  • Scroll tracking
  • Form interaction capture

Alternatives

Similar libraries you might consider

Documentation & Resources

Official Documentation