Explain HTTP verbs, CSS, and accessibility
Company: LinkedIn
Role: Software Engineer
Category: Software Engineering Fundamentals
Difficulty: medium
Interview Round: HR Screen
Explain the differences among HTTP methods GET, POST, and PUT, including typical use cases, idempotency, and safety. Describe common CSS styling approaches (inline styles, classes, BEM, CSS Modules) and when to use each. Outline essential web accessibility practices (semantic HTML, ARIA roles, focus management, keyboard navigation, color contrast) and how you would test them.
Quick Answer: This question evaluates a candidate's grasp of web fundamentals—HTTP method semantics, CSS styling approaches and organization, and core web accessibility concepts—reflecting frontend engineering competency in protocol behavior, styling strategy, and inclusive design.