Web Validation Skill

Overview

This skill provides comprehensive methodology for validating web applications, detecting JavaScript errors, monitoring browser console output, capturing screenshots, and testing across mobile and desktop viewports with authentication support.

Key Capabilities:

• Automated JavaScript error detection with categorization
• Browser console log capture (errors, warnings, info)
• Network request monitoring and failure detection
• Performance metrics collection
• Authentication support for protected pages (NEW)
• Screenshot capture for mobile and desktop (NEW)
• React hydration error detection (#185) (NEW)
• Multi-viewport testing (14 device presets) (NEW)
• HTML/CSS validation
• Automated testing with headless browsers

When to Apply This Skill