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web-interface-testing

Automate web UI testing for accessibility, performance, and console diagnostics via MCP Chrome DevTools.

Updated Mar 10, 2026
Search Tags:#ui-testing#snapshot#responsive-design#web-accessibility#chrome-devtools-mcp#performance-audit#console-messages
One-click install
npx skills add https://github.com/projetsX/french_skills_vscode --skill web-interface-testing
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: web-interface-testing
Source: https://github.com/projetsX/french_skills_vscode/tree/main/web-interface-testing
Command: npx skills add https://github.com/projetsX/french_skills_vscode --skill web-interface-testing

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

Tests web page interfaces for compliance, accessibility, and performance using the MCP Chrome DevTools, helping teams detect and fix UI issues early.

Core Features & Use Cases

  • Console verification: capture and analyze console messages to identify blocking errors and non-blocking warnings.
  • Accessibility checks: generate an a11y snapshot, verify alt texts, labels, heading order, and color contrast.
  • Responsive verification: assess desktop, tablet, and mobile layouts to ensure consistent UX.
  • Performance auditing: measure Core Web Vitals (LCP, FID, CLS) and resource usage during page load and interaction.
  • Guided remediation: reference common fixes and best practices from the included knowledge base to surface actionable improvements.

Quick Start

Provide the target page URL or workspace path and follow the MCP workflow to run a full web interface test.

Frequently Asked Questions about web-interface-testing

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I automate web accessibility checks and console diagnostics for a single page?▼

Responsive UI testing evaluates desktop, tablet, and mobile layouts to ensure consistent UX by capturing console messages and generating accessibility snapshots across different viewport sizes.

Can I measure Core Web Vitals like LCP and CLS during page load using Chrome DevTools?▼

Measuring Core Web Vitals like LCP, FID, and CLS during page load is possible by running a performance audit via MCP Chrome DevTools integration to analyze resource usage and interaction metrics.

Does web interface testing work with dynamic content and single-page applications?▼

Web interface testing works with single-page applications by defining a test workflow that includes interaction steps for dynamic content, capturing console errors and accessibility snapshots during navigation.

What's the best way to capture and analyze console errors and warnings during UI testing?▼

The best way to capture and analyze console messages during UI testing is using MCP Chrome DevTools to identify blocking errors and non-blocking warnings within a defined test workflow.

Do I need MCP Chrome DevTools integration to run a web accessibility and performance audit?▼

MCP Chrome DevTools integration is required to run web accessibility and performance audits, as it provides the necessary interface to capture console messages, generate a11y snapshots, and measure Core Web Vitals.

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