QLT 12 modules · 39 concepts

Quality

Performance, accessibility, security, testing and design systems.

1. QLT.01Performance and Core Web Vitalsmeasure, diagnose and improve real-user performance.6 concepts
2. QLT.02Images, fonts and asset deliverydeliver assets efficiently.2 concepts
3. QLT.03Accessibility foundations (WCAG 2.2)build to WCAG 2.2 AA and explain why each rule exists.5 concepts
4. QLT.04ARIA patterns (WAI-ARIA Authoring Practices)build complex widgets that work with screen readers and keyboards.5 concepts
5. QLT.05Web securityprevent the common web vulnerabilities and explain them in interviews.7 concepts
6. QLT.06Testingwrite the right tests at the right level.4 concepts
7. QLT.07Tooling, build and CI/CDunderstand the frontend toolchain and ship safely.3 concepts
8. QLT.08Observability and production debugging toolsknow what is happening in production.1 concepts
9. QLT.09Feature flags and experimentationrelease safely and run experiments correctly.1 concepts
10. QLT.10Internationalisation (i18n) and localisationbuild apps that work in many languages and regions.1 concepts
11. QLT.11Git team workflowscollaborate effectively with Git in teams.2 concepts
12. QLT.12Design systemsbuild and run a design system (senior/staff topic).2 concepts