HTTP
304 Not Modified 응답 모의 테스트
The resource has not been modified since the last request. The client can use its cached copy.
전체 레퍼런스 보기 →1 HTTP 응답
HTTP/1.1 304 Not Modified Content-Type: application/json Date: Tue, 25 Feb 2026 12:00:00 GMT
2 curl로 테스트하기
curl -i https://httpbin.org/status/304
3 프레임워크에서 304 Not Modified 반환하기
django
from django.http import HttpResponse
def my_view(request):
return HttpResponse(status=304) # Not Modified
flask
from flask import Flask
app = Flask(__name__)
@app.route("/endpoint")
def my_endpoint():
return "", 304 # Not Modified
fastapi
from fastapi import FastAPI
from fastapi.responses import Response
app = FastAPI()
@app.get("/endpoint")
def my_endpoint():
return Response(status_code=304) # Not Modified
express.js
// Express.js
app.get('/endpoint', (req, res) => {
res.sendStatus(304); // Not Modified
});
spring boot
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;
@RestController
public class MyController {
@GetMapping("/endpoint")
public ResponseEntity<Void> myEndpoint() {
return ResponseEntity
.status(304) // Not Modified
.build();
}
}
go net/http
package main
import "net/http"
func myHandler(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(304) // Not Modified
}
ruby on rails
class MyController < ApplicationController
def my_action
head :not_modified
end
end
asp.net core
// ASP.NET Core Minimal API
app.MapGet("/endpoint", () =>
Results.StatusCode(304) // Not Modified
);