HTTP Headers & MIME Reference
Complete HTTP request/response headers and MIME types reference with descriptions and examples. Covers CORS, cache, security, cookies, and content-type scenarios.
Accept客户端能处理的内容类型
application/json, text/plainAccept-Encoding可接受的压缩方式
gzip, deflate, brAccept-Language可接受的语言
zh-CN,zh;q=0.9,en;q=0.8Authorization认证凭据
Bearer eyJhbGc...Cache-Control客户端缓存行为
no-cacheCookie发送服务器之前 Set-Cookie 的值
sid=abc; theme=darkContent-Type请求体类型
application/json; charset=utf-8Host目标域名(HTTP/1.1 必需)
tools.aipzz.cnIf-Modified-Since只在该时间后修改才返回新内容
Wed, 21 Oct 2025 07:28:00 GMTIf-None-Match配合 ETag 做缓存协商
W/"abc123"Origin跨域请求来源
https://example.comRange请求字节范围(断点续传)
bytes=0-1023Referer来源页 URL(故意拼错的历史)
https://google.com/search?q=...User-Agent客户端标识
Mozilla/5.0 (Macintosh; ...)X-Forwarded-For代理链中的真实 IP
1.2.3.4, 5.6.7.8X-Requested-WithAJAX 请求标识(非标准)
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