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DeepL Free API (No TOKEN required)
2438d72d3f
Each TranslateByDeepLX call was building a brand-new req.Client via
newOneshotClient(), which meant a fresh TLS handshake + HTTP/2 SETTINGS
negotiation per request — ~200-400ms of pure overhead on top of DeepL's
own ~1.5s processing latency. Share one client per proxy URL
(sync.Map) so subsequent requests reuse the kept-alive HTTP/2
connection in the underlying http.Transport's pool.
Also flip the cookie-jar warmup from synchronous-on-first-call to
fire-and-forget at first client creation. Same sync.Once semantics
(runs exactly once per process), but in a background goroutine so the
first translate request runs in parallel with the TLS handshake to
www.deepl.com rather than serially behind it.
Measured against the live oneshot endpoint (Tokyo → Frankfurt):
before, 5 sequential requests: 3.19s, 2.05s, 2.07s, 2.89s, 2.22s
after, 5 sequential requests: 2.20s, 1.27s, 1.26s, 1.42s, 1.34s
└─ first └────────── warm path ─────┘
The warm-path 1.3s is also faster than a bare \`curl\` to oneshot
(~1.9s, every call doing its own TLS handshake) — proof the
connection-pool reuse is now actually paying off.
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|---|---|---|
| .github | ||
| img | ||
| service | ||
| translate | ||
| .cross_compile.sh | ||
| .gitignore | ||
| compose.yaml | ||
| deeplx.service | ||
| Dockerfile | ||
| go.mod | ||
| go.sum | ||
| install.sh | ||
| LICENSE | ||
| main.go | ||
| me.missuo.deeplx.plist | ||
| README.md | ||
| uninstall.sh | ||
How to use
!TIP] Learn more about [📘 Using DeepLX](https://deeplx.owo.network) by checking it out.
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