Hard Design: Social Media Platform (Instagram)

How does Instagram ensure images load quickly for users in slow network regions?

— Tests your understanding of this concept.

Answer Options

A Send full resolution images with compression

B Use CDN edge nodes globally + serve smallest usable resolution + progressive JPEG loading

C Store images near each user's home region

D Pre-download all feed images when on WiFi

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This question is from the Design: Social Media Platform (Instagram) topic (System Design Cases).

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