Cypress

1. Why Cypress

   Architecture, in-browser execution and key features.

2. Introduction to Cypress

   Command queue, chaining, subjects and asynchronous behavior.

3. Retry-ability

   How commands and assertions automatically retry.

4. Interacting with Elements

   Actionability checks before actions.

5. Writing and Organizing Tests

   Spec files, hooks, folder structure and support files.

6. Variables and Aliases

   Aliasing, closures and sharing context in async tests.

7. Test Isolation

   State clearing between tests and testIsolation option.

8. Best Practices

   Selectors, test independence, avoiding conditional testing and login programmatically.

9. Network Requests

   cy.intercept, stubbing and waiting on routes.

10. Component Testing

    Mounting framework components under test.

11. Configuration

    cypress.config options, environment and timeouts.

12. Stubs, Spies and Clocks

    Control of functions and time.

13. Cross-origin Testing

    cy.origin and multi-domain flows.

14. Test Retries

    Retrying flaky tests.

15. Continuous Integration

    Running in CI, parallelization and recording.

16. Debugging

    Time travel, cy.debug, and debugging failures.

Each section links to the official page. Titles and summaries by Extra Credit; the docs belong to their authors.