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Langfuse

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This script operates in the browser to listen for user click events. It analyzes these clicks to identify instances where a user interacts with an element but no corresponding action (like a page navigation, form submission, or dynamic content update) occurs. This data, often termed 'dead clicks' or 'rage clicks,' is then transmitted to the Langfuse platform. The primary purpose is to provide website owners with insights into user frustration points, broken UI elements, or areas of the interface that lead to unexpected behavior, thereby aiding in debugging and user experience optimization. It helps in understanding user intent and identifying potential usability issues that might otherwise go unnoticed.

Capabilities

This script provides critical insights by automatically identifying non-functional user interactions. By capturing 'dead clicks,' it allows product teams and developers to pinpoint areas of user frustration, detect broken links or buttons, and improve the overall usability of a website or application. This helps in proactively addressing UI/UX issues, enhancing conversion funnels, and ensuring a smoother user journey, ultimately leading to higher user satisfaction and engagement.

  • Dead click tracking
  • User frustration detection
  • UX improvement
  • Bug identification
  • Product analytics data

Digital Footprint

Known Cookies

_lf_uid
Used to uniquely identify users across sessions for analytics purposes.1 year
_lf_sid
Used to distinguish sessions.30 minutes
lf_session_id
Used to identify a user's session for consistent survey experience and data correlation.30 minutes
lf_user_id
Used to identify a unique user across multiple sessions.1 year
lf_survey_seen_*
Used to track if a user has seen or interacted with a specific survey to manage display frequency.Session or 30 days
lf_survey_response_*
Used to temporarily store partial survey responses or completion status before submission.Session or 7 days
_lf_survey_seen_*
Records if a user has seen or completed a specific survey to manage survey display frequency and prevent repeat prompts.30 days
_lf_session
Identifies the user's session for tracking survey interactions and maintaining state across page views.1 day
ph_*
Used by underlying PostHog (or similar) analytics integration to identify distinct users and persist session state for analytical tracking.2 years
_lf_session_id
Identifies a user's session for correlating events and errors related to LLM interactions and application usage.Session
lf_survey_status_*
Used to track the status of specific surveys (e.g., whether a user has seen or completed it) to prevent repeated prompts.1 year

Endpoints

  • ph.langfuse.com
  • langfuse.com
  • us.langfuse.com
  • api.langfuse.com
  • app.langfuse.com

Security Incidents & Vulnerabilities

No known historical CVEs or supply chain attacks found for these specific resources.