Screening interview questions: What's the main benefit of using CSS Modules? After processing a DELETE request successfully, which HTTP response is most semantically appropriate? What problem does the preload attribute solve in web development? You encounter frequent layout shifts hurting your site’s CLS (Cumulative Layout Shift). What's the most practical fix? When dealing with sensitive information (like authentication tokens) in frontend storage, which scenario is most secure? Which scenario makes Server-Sent Events (SSE) a better choice than WebSockets? Which of these accessibility (a11y) practices most directly enhances keyboard navigation experience for users? Which approach effectively mitigates Cross-Site Scripting (XSS) vulnerabilities when rendering user-generated content on the frontend? Why are Abstract Syntax Trees (ASTs) useful in frontend tooling (e.g., linters, transpilers, code mod tools)? How can you enable browsers to efficiently cache dynamic content without compromising freshness?