Can anyone explain how the differential serving works? I get that they might hav... | Hacker News

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zimbatm on June 13, 2019 | parent | context | favorite | on: Pika CDN – A CDN for Modern JavaScript

Can anyone explain how the differential serving works?

I get that they might have a User-Agent mapping to features. But how do they know which feature are needed by the loaded modules?

atonse on June 13, 2019 [–]

Probably based on the polyfill dependencies that are included in the packages.

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