Hard Design: Web Crawler

What User-Agent header should a well-behaved crawler send?

— Tests your understanding of this concept.

Answer Options

A Hide crawler identity to avoid being blocked

B A descriptive User-Agent with crawler name, URL to info page, and contact email

C Mimic a browser User-Agent (Mozilla/5.0...)

D Send no User-Agent header

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This question is from the Design: Web Crawler topic (System Design Cases).

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