What is the quickest win for network latency?
Put content closer to the user with a CDN and reuse connections so you skip repeated TCP and TLS handshakes. Cutting round trips beats optimising bytes, because each round trip costs a fixed time regardless of payload size, and distance sets a floor you cannot code around.
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Reducing Latency: Find the Layer First, Then Pull the Right LeverNetwork, processing, database and rendering delay need different fixes. Caching, CDNs, indexes, async work, compression, connection reuse and tail latency.
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