Imported from jeremylongshore/tons-of-skills-marketplace (skills/.curated/implementing-real-user-monitoring/SKILL.md). Install upstream with npx skills add jeremylongshore/tons-of-skills-marketplace --skill implementing-real-user-monitoring. Copyright stays with the author (MIT).

Real User Monitoring

Name: implementing-real-user-monitoring
Author: jeremylongshore

Implement Real User Monitoring (RUM) to capture Core Web Vitals, page load times, and custom performance events using Google Analytics, Datadog RUM, or New Relic.

Overview

This skill streamlines the process of setting up Real User Monitoring (RUM) for web applications. It guides you through the essential steps of choosing a platform, defining metrics, and implementing the tracking code to capture valuable user experience data.

How It Works

Platform Selection: Helps you consider available RUM platforms (e.g., Google Analytics, Datadog RUM, New Relic).
Instrumentation Design: Guides you in defining the key performance metrics to track, including Core Web Vitals and custom events.
Tracking Code Implementation: Assists in implementing the necessary JavaScript code to collect and transmit performance data.

When to Use This Skill

This skill activates when you need to:

Implement Real User Monitoring on a website or web application.
Track Core Web Vitals (LCP, FID, CLS) to improve user experience.
Monitor page load times (FCP, TTI, TTFB) for performance optimization.

Examples

Example 1: Setting up RUM for a new website

User request: "setup RUM for my new website"

The skill will:

Guide the user through selecting a RUM platform.
Provide code snippets for implementing basic tracking.

Example 2: Tracking custom performance metrics

User request: "I want to track how long it takes users to complete a purchase"

The skill will:

Help define a custom performance metric for purchase completion time.
Generate JavaScript code to track the metric.

Best Practices

Privacy Compliance: Ensure compliance with privacy regulations (e.g., GDPR, CCPA) when collecting user data.
Sampling: Implement sampling to reduce data volume and impact on performance.
Error Handling: Implement robust error handling to prevent tracking code from breaking the website.

Integration

This skill can be used in conjunction with other monitoring and analytics tools to provide a comprehensive view of application performance.

Prerequisites

Access to web application frontend code in ${CLAUDE_SKILL_DIR}/
RUM platform account (Google Analytics, Datadog, New Relic)
Understanding of Core Web Vitals metrics
Privacy compliance documentation (GDPR, CCPA)

Instructions

Select appropriate RUM platform for requirements
Define key metrics to track (Core Web Vitals, custom events)
Implement tracking code in application frontend
Configure data sampling and privacy settings
Set up dashboards for metric visualization
Define alerts for performance degradation

Output

RUM implementation code snippets
Platform configuration documentation
Custom event tracking examples
Dashboard definitions for key metrics
Privacy compliance checklist

Error Handling

If RUM implementation fails:

Verify platform API credentials
Check JavaScript bundle integration
Validate metric collection permissions
Review privacy consent configuration
Ensure network connectivity for data transmission

Resources

Core Web Vitals measurement guide
RUM platform documentation
Privacy compliance best practices
Performance monitoring strategies

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implementing-real-user-monitoring

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