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Web Performance Analysis (Chrome Devtools)

Listed
srsubramanian·vlatest·frontend

Helps with web development, performance optimization, analysis as part of building frontend UIs and user experiences workflows.

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This skill no longer installs under the name web-performance-analysis-(chrome-devtools). srsubramanian/langchain-docker is deleted or private, so it cannot be installed from.

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Repository install instructions

What we know about this skill

Publisher

srsubramanian

Taken from the source listing. We haven't verified who controls this account.

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Live repository

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Not scanned. repository not found or private Source recorded as srsubramanian/langchain-docker.
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About this skill

What it does

This skill leverages Chrome DevTools to analyze the performance of web pages. It can identify bottlenecks in loading times, measure rendering performance metrics like First Contentful Paint (FCP) and Largest Contentful Paint (LCP), and provide insights into resource usage. The tool allows for detailed inspection of network requests, JavaScript execution, and memory consumption to optimize website speed and user experience.

When to use it

  • Troubleshooting slow page loads: Identify why a specific webpage is taking too long to load.
  • Analyzing mobile performance: Evaluate how a website performs on different devices and connection speeds.
  • Optimizing rendering times: Pinpoint areas where JavaScript or CSS rendering can be improved.
  • Debugging resource loading issues: Investigate problems with images, scripts, or other assets failing to load correctly.

Key capabilities

  • Chrome DevTools integration
  • Performance metric measurement (FCP, LCP)
  • Network request analysis
  • JavaScript execution profiling
  • Memory consumption assessment

Example prompts

  • "Analyze the performance of https://www.example.com and identify any bottlenecks."
  • "Measure the First Contentful Paint for this page (https://www.example.com)."
  • "Show me a waterfall chart of network requests for https://www.example.com."

Tips & gotchas

  • Requires Chrome DevTools to be installed and accessible.
  • The accuracy of the analysis depends on the fidelity of the data captured by Chrome DevTools.