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Docs/Performance Optimization/HTTP/2 & HTTP/3

HTTP/2 & HTTP/3

速盾网络 Team
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  • 性能优化

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Sudun supports modern HTTP protocols for faster content delivery. HTTP/2 multiplexing and HTTP/3 with QUIC provide significant performance improvements.

Protocol Comparison

FeatureHTTP/1.1HTTP/2HTTP/3
MultiplexingNoYesYes
Header CompressionNoHPACKQPACK
Server PushNoYesYes
TransportTCPTCPQUIC (UDP)
0-RTTNoNoYes

HTTP/2 Features

Multiplexing

Multiple requests over single connection:

code
Connection 1:
  ├── Request 1 (HTML)
  ├── Request 2 (CSS)
  ├── Request 3 (JS)
  └── Request 4 (Images)

Header Compression

HPACK reduces header overhead:

RequestWithout HPACKWith HPACK
First800 bytes800 bytes
Subsequent800 bytes50 bytes

Server Push

json
{
  "http2": {
    "server_push": {
      "enabled": true,
      "rules": [
        {
          "match": "/*.html",
          "push": ["/styles.css", "/app.js"]
        }
      ]
    }
  }
}

HTTP/3 Features

QUIC Transport

Benefits of QUIC:

FeatureBenefit
0-RTTFaster connection setup
No head-of-line blockingBetter multiplexing
Connection migrationSeamless network switch

Enable HTTP/3

json
{
  "http3": {
    "enabled": true,
    "fallback": "http2"
  }
}

Configuration

Protocol Settings

json
{
  "protocols": {
    "http2": true,
    "http3": true,
    "http1_fallback": true
  }
}

Verification

Check protocol in browser DevTools or:

bash
curl -I --http2 https://example.com
curl -I --http3 https://example.com

API Reference

bash
curl -X GET https://api.Sudun.com/v1/domains/{domain}/protocols \
  -H "Authorization: Bearer YOUR_API_KEY"

Need help? Contact support@Sudun.com