test-cross-browser

Automates UI testing across Chromium, Firefox, and WebKit with merged reports.

1|Updated Feb 14, 2026
One-click install
npx skills add https://github.com/az9713/my-agent-skills --skill test-cross-browser-az9713
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: test-cross-browser
Source: https://github.com/az9713/my-agent-skills/tree/main/.claude/skills/playwright-ui-testing/test-cross-browser
Command: npx skills add https://github.com/az9713/my-agent-skills --skill test-cross-browser-az9713

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Cross-browser UI testing for web apps by validating consistency across Chromium, Firefox, and WebKit to catch layout and behavior differences early.

Core Features & Use Cases

  • Parallel cross-browser test execution across three engines to surface browser-specific issues.
  • Automated checks for layout consistency, rendering differences, and feature support across browsers.
  • Use Case: QA engineers integrate into CI to verify UI stability after changes before release.

Quick Start

Run the three-agent cross-browser test suite to validate UI across Chromium, Firefox, and WebKit.

Frequently Asked Questions about test-cross-browser

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

FAQPage Schema
How do I automate cross-browser UI testing across Chromium, Firefox, and WebKit?▼

Automating cross-browser UI testing uses Playwright CLI with three parallel agents to execute tests across Chromium, Firefox, and WebKit, collecting screenshots and generating a final merged report.

What is the best way to validate web app layout consistency across different browser engines?▼

Validating web app layout consistency across browser engines is achieved by running automated cross-browser UI tests that capture screenshots and snapshots to surface rendering differences and browser-specific issues early.

Can I integrate cross-browser testing into a CI pipeline to verify UI stability before release?▼

Yes, you can integrate cross-browser testing into a CI pipeline. QA engineers use it to validate UI stability and feature support after changes before release by running parallel tests across three engines.

Do I need Playwright CLI to run cross-browser tests for web applications?▼

Yes, Playwright CLI is required. The cross-browser testing process relies on Playwright CLI to deploy three parallel agents for per-browser test execution and snapshot collection across Chromium, Firefox, and WebKit.

Why does my web app render differently in Firefox compared to Chromium engines?▼

Rendering differences in Firefox compared to Chromium occur due to browser-specific issues. Running cross-browser UI tests captures these layout and feature support discrepancies across engines to identify the exact inconsistencies.