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@@ -990,6 +990,25 @@ auto res = cli.Get("/already%20encoded/path"); // Use pre-encoded paths
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- `true` (default): Automatically encodes spaces, plus signs, newlines, and other special characters
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- `false`: Sends paths as-is without encoding (useful for pre-encoded URLs)
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+### Performance Note for Local Connections
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+
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+> [!WARNING]
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+> On Windows systems with improperly configured IPv6 settings, using "localhost" as the hostname may cause significant connection delays (up to 2 seconds per request) due to DNS resolution issues. This affects both client and server operations. For better performance when connecting to local services, use "127.0.0.1" instead of "localhost".
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+>
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+> See: https://github.com/yhirose/cpp-httplib/issues/366#issuecomment-593004264
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+
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+```cpp
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+// May be slower on Windows due to DNS resolution delays
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+httplib::Client cli("localhost", 8080);
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+httplib::Server svr;
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+svr.listen("localhost", 8080);
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+
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+// Faster alternative for local connections
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+httplib::Client cli("127.0.0.1", 8080);
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+httplib::Server svr;
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+svr.listen("127.0.0.1", 8080);
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+```
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+
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Compression
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-----------
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yhirose