Frontend

You wrote that you integrated E2E tests, worked with Cypress and Playwright. Can you tell us why you decided to implement E2E testing in the first place?

How do you decide when to use useMemo, useCallback, React.memo? Do you have criteria?

Знаешь ли ты какие-нибудь подводные камни, связанные с куками? Например, опасные моменты с точки зрения безопасности.

Have you ever had a case where you deliberately used a key outside the list of items?

What happens if you place many client components with the 'use client' directive in the server root layout?

How are things with authorization? Maybe you've implemented it yourself or know some methods of authorization? Maybe some third-party services?

Which Web Vitals metrics are better for client-side rendering (CSR) compared to SSR?

What methods of application optimization do you know?