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5.3s at 1.4gb on a laptop is 53ms at 14mb, is >70ms on mobile before adding any increased download time. 14mb is one retina image, even Reddit already weighs 8mb. It's silly to pretend this stuff doesn't matter, you can't even get search ranking without addressing it, for reasons that don't require concocted scenarios to explain.

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Your difference might be mainly single threaded vs multi threaded decompression. This doesn't typically transform into a real-world speedup when browsing the web, as one will typically run multiple decompression streams in parallel anyway. Zstd is definitely an improvement on Gzip, but not by that much.

> 5.3s at 1.4gb on a laptop is 53ms at 14mb, is 70ms on mobile before adding any increased download time.

Factor in how much time it takes you to unpack those 1.4GB of data in a smartphone. Those 5s amount to which percentage of the total execution time?

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