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Compress HTTP responses using gzip, brotli, zstd, or deflate. Use for reducing bandwidth and improving load times.
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| name | salvo-compression |
| description | Compress HTTP responses using gzip, brotli, zstd, or deflate. Use for reducing bandwidth and improving load times. |
| version | 0.89.3 |
| tags | ["performance","compression","gzip","brotli"] |
This skill helps configure response compression in Salvo applications.
[dependencies]
salvo = { version = "0.89.3", features = ["compression"] }
use salvo::prelude::*;
use salvo::compression::Compression;
#[handler]
async fn large_response() -> String {
"This response will be compressed if the client supports it. ".repeat(100)
}
#[tokio::main]
async fn main() {
let router = Router::new()
.hoop(Compression::new())
.get(large_response);
let acceptor = TcpListener::new("0.0.0.0:8080").bind().await;
Server::new(acceptor).serve(router).await;
}
| Algorithm | Description |
|---|---|
| Gzip | Most widely supported, good balance |
| Brotli (br) | Best compression ratio, higher CPU |
| Zstd | Fast with good compression |
| Deflate | Legacy, rarely used alone |
use salvo::compression::{Compression, CompressionLevel};
// Only gzip
let gzip_only = Compression::new()
.enable_gzip(CompressionLevel::Default);
// Only brotli
let brotli_only = Compression::new()
.enable_brotli(CompressionLevel::Best);
// Multiple algorithms
let multi = Compression::new()
.enable_gzip(CompressionLevel::Default)
.enable_brotli(CompressionLevel::Default)
.enable_zstd(CompressionLevel::Default);
use salvo::compression::CompressionLevel;
CompressionLevel::Fastest // Fastest speed, lower compression
CompressionLevel::Default // Balanced speed and compression
CompressionLevel::Best // Best compression, slower
CompressionLevel::Precise(6) // Exact level (algorithm-specific)
let compression = Compression::new()
.min_length(1024); // Only compress responses > 1KB
let compression = Compression::new()
.content_types(vec![
"text/html",
"text/css",
"text/javascript",
"application/json",
"application/xml",
"image/svg+xml",
]);
use salvo::compression::{Compression, CompressionLevel};
use salvo::prelude::*;
#[tokio::main]
async fn main() {
let static_compression = Compression::new()
.enable_brotli(CompressionLevel::Best)
.enable_gzip(CompressionLevel::Best);
let api_compression = Compression::new()
.enable_gzip(CompressionLevel::Fastest)
.min_length(256);
let router = Router::new()
.push(
Router::with_path("static")
.hoop(static_compression)
.get(StaticDir::new("./public"))
)
.push(
Router::with_path("api")
.hoop(api_compression)
.get(api_handler)
);
let acceptor = TcpListener::new("0.0.0.0:8080").bind().await;
Server::new(acceptor).serve(router).await;
}
use salvo::compression::{Compression, CompressionLevel};
use salvo::prelude::*;
use serde::Serialize;
#[derive(Serialize)]
struct LargeResponse {
items: Vec<String>,
}
#[handler]
async fn large_json() -> Json<LargeResponse> {
Json(LargeResponse {
items: (0..1000).map(|i| format!("Item {}", i)).collect(),
})
}
#[tokio::main]
async fn main() {
let compression = Compression::new()
.enable_gzip(CompressionLevel::Default)
.enable_brotli(CompressionLevel::Default)
.min_length(512)
.content_types(vec![
"text/html",
"text/css",
"application/json",
"application/javascript",
]);
let router = Router::new()
.hoop(compression)
.push(Router::with_path("api/data").get(large_json));
let acceptor = TcpListener::new("0.0.0.0:8080").bind().await;
Server::new(acceptor).serve(router).await;
}