| 1 | How would you set up a testing strategy that balances unit, integration, and end to end tests for a large Next.js application? Next.js › Testing Next.js Applications | Next.js | Testing Next.js Applications | Advanced |
| 2 | What are the main types of tests you would write for a Next.js application? Next.js › Testing Next.js Applications | Next.js | Testing Next.js Applications | Beginner |
| 3 | How do you write a basic unit test for a component in a Next.js application? Next.js › Testing Next.js Applications | Next.js | Testing Next.js Applications | Beginner |
| 4 | How do you write an end to end test that simulates a user navigating through your Next.js application in a real browser? Next.js › Testing Next.js Applications | Next.js | Testing Next.js Applications | Intermediate |
| 5 | How would you test a server component that fetches data asynchronously? Next.js › Testing Next.js Applications | Next.js | Testing Next.js Applications | Intermediate |
| 6 | How do you set up a Next.js project to use TypeScript? Next.js › TypeScript with Next.js | Next.js | TypeScript with Next.js | Beginner |
| 7 | What are best practices for managing translation content at scale in a large, multilingual Next.js application? Next.js › Internationalization (i18n) in Next.js | Next.js | Internationalization (i18n) in Next.js | Advanced |
| 8 | What steps should you take to keep dependencies and the Next.js framework itself secure over time? Next.js › Security Best Practices in Next.js | Next.js | Security Best Practices in Next.js | Advanced |
| 9 | How do you set up strict TypeScript settings for a Next.js project, and what benefits does this provide for a growing codebase? Next.js › TypeScript with Next.js | Next.js | TypeScript with Next.js | Advanced |
| 10 | What deployment strategies help minimize downtime and risk when releasing a new version of a Next.js application? Next.js › Deployment | Next.js | Deployment | Advanced |
| 11 | How would you set up a comprehensive error handling strategy across a large Next.js application with many route segments? Next.js › Error Handling & Not Found Pages | Next.js | Error Handling & Not Found Pages | Advanced |
| 12 | How do you create a custom error page for a specific route segment in the App Router? Next.js › Error Handling & Not Found Pages | Next.js | Error Handling & Not Found Pages | Beginner |
| 13 | How would you validate that all required environment variables are present and correctly formatted before your app starts? Next.js › Environment Variables & Configuration Management | Next.js | Environment Variables & Configuration Management | Intermediate |
| 14 | How do you rewrite a request to a different path using middleware without changing the URL the user sees? Next.js › Middleware | Next.js | Middleware | Intermediate |
| 15 | What should you do if a specific loader or plugin your project relies on is not yet fully supported by Turbopack? Next.js › Turbopack & Build Performance | Next.js | Turbopack & Build Performance | Intermediate |