3. Be like a game server: Ping a bunch of servers and use the best. Downside: gotta own the client. Upside: doesn't matter, because you don't own the client.
"If you can run code on it, you can own it". Your front page could just be a tiny loader js that fires off a fetch() for a zero byte resource to all your mirrors, and then proceeds to load the content from the first responder.
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"If you can run code on it, you can own it". Your front page could just be a tiny loader js that fires off a fetch() for a zero byte resource to all your mirrors, and then proceeds to load the content from the first responder.
Now you just have the bad latency of the non-cached content, plus the ok latency of your CDN.