Request-path lab →
Trace representative static, API, certificate, and resource-failure scenarios through a fixed model.
Learn by
touching the model.
These tools run entirely in your browser. They do not connect to infrastructure, collect credentials, or certify a production system.
Responsive workbench →
Stress a real component at bounded viewports and long-content states.
Launch readiness →
Record a private, local assessment and export it as Markdown or JSON.