Quality Engineering Guide
AI has lowered the barrier to creating new projects — anyone can spin up a website, app, or service. Quality engineering is how you stand out. Being accessible, correct, secure, and having all your ducks in a row separates professional software from the rest. This guide covers 12 essential topics with interactive quizzes to test your knowledge.
Quality Engineering Fundamentals
What quality engineering is, why it matters in the AI era, the shift-left mindset, and the cost of poor quality.
Accessibility
WCAG standards, automated and manual testing, screen readers, color contrast, keyboard navigation, and the legal landscape.
Security
OWASP Top 10, security headers, secrets detection, supply chain security, CSP, and SSL/TLS best practices.
Performance
Core Web Vitals, page speed optimization, image optimization, caching strategies, and lazy loading.
SEO
Technical SEO, on-page optimization, structured data, Open Graph and Twitter Cards, and XML sitemaps.
HTML & Code Quality
W3C HTML validation, semantic markup, linting, static analysis, and code formatting standards.
CI/CD & Automation
GitHub Actions, Jenkins pipelines, automated quality gates, pre-commit hooks, and deployment strategies.
Code Review
AI-powered review with CodeRabbit, peer review best practices, PR standards, and review checklists.
Testing Strategies
Unit testing, integration testing, end-to-end testing, accessibility testing in CI, and coverage metrics.
Monitoring & Observability
Error tracking, uptime monitoring, real user monitoring, analytics, and logging best practices.
Documentation
API documentation, README best practices, changelogs and versioning, and documentation-as-code.
Tools & Resources
Curated tools for accessibility, security, performance, SEO, code quality, and CI/CD — with recommendations and comparisons.