Knowledge Check

Document language

Where should the document’s primary language be declared?

What this task practices

Document language is a knowledge check interview exercise that trains prompt interpretation, explicit assumptions, a concrete response, and a clear explanation of tradeoffs. The catalog marks it as easy difficulty. It focuses on Frontend Foundations, HTML Semantics. The signed-in workspace provides the tools for the round and evaluates the attempt against task-specific criteria. Reference solutions, hidden checks, evaluator instructions, and candidate work remain private.