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Surveys

Langfuse

Surveys
monitor Exposure
vbc0ea58f
A JavaScript library for embedding and managing in-product or website surveys to collect user feedback.
10M+ sites
Updated 7/30/2026
https://ph.langfuse.com/static/surveys.js?v=1.408.1
Exposure Score
92

Popularity

92%

Usage across websites

File Size

95.54 KB

Download size

Load Time

31.90ms

Network latency

Execution Time

4.94ms

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

0255075100vbc0eNormalized ScoreVersion
Security Score
Performance Score
File Size (KB)

Uptime History

Average response time over time

Version History Details

Detailed information for each version

vbc0ea58fLatest
Span: 1 day
Score: 85
Size: 95.54 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

lf_survey_completed_*1 year
Used to track if a user has completed a specific survey to avoid re-showing it.
lf_session_id30 minutes
Identifies the user's session for continuous tracking within the survey context.

Local Storage

lf_survey_data_*
Stores temporary data related to survey state or partially completed responses.

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 Size95.54 KB
Load Time31.90ms

Runtime Performance

Execution Time4.94ms
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

extendPostHogWithSurveys

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
bc0ea58fbf83332452d623425e83272fcb4da42e7628580f48193463c13edcd2

AI Insights & Alternatives

Description

A comprehensive overview of this resource

This script enables websites to integrate interactive survey forms directly into their user interface. It handles the display of survey widgets, captures user responses, and sends this data back to the Langfuse platform for analysis. The script typically initializes a survey component, manages its visibility based on predefined rules (e.g., user segments, page views), and ensures the smooth submission of feedback without requiring a page reload. It might also handle state management for partially completed surveys or to prevent users from seeing the same survey multiple times.

Key Features

Core functionalities and capabilities of this resource

  • User Feedback Collection
  • In-Product Surveys
  • Customizable Survey Forms
  • Response Data Capture
  • Survey Targeting Logic
  • NPS/CSAT Surveys

Alternatives

Similar libraries you might consider

Documentation & Resources

Official Documentation