https://answer.freetools.me/tags/options%E8%AF%B7%E6%B1%82/ Recent content in OPTIONS请求 on Answer Hugo -- 0.152.2 zh-cn Sat, 07 Mar 2026 03:46:07 +0800 https://answer.freetools.me/%E4%B8%BA%E4%BB%80%E4%B9%88%E4%B8%80%E4%B8%AAjson%E8%AF%B7%E6%B1%82%E9%9C%80%E8%A6%81%E4%B8%A4%E6%AC%A1%E7%BD%91%E7%BB%9C%E5%BE%80%E8%BF%94cors%E9%A2%84%E6%A3%80%E6%9C%BA%E5%88%B6%E7%9A%84%E8%AE%BE%E8%AE%A1%E6%9D%83%E8%A1%A1%E4%B8%8E%E4%BC%98%E5%8C%96%E8%B7%AF%E5%BE%84/ Sat, 07 Mar 2026 03:46:07 +0800 https://answer.freetools.me/%E4%B8%BA%E4%BB%80%E4%B9%88%E4%B8%80%E4%B8%AAjson%E8%AF%B7%E6%B1%82%E9%9C%80%E8%A6%81%E4%B8%A4%E6%AC%A1%E7%BD%91%E7%BB%9C%E5%BE%80%E8%BF%94cors%E9%A2%84%E6%A3%80%E6%9C%BA%E5%88%B6%E7%9A%84%E8%AE%BE%E8%AE%A1%E6%9D%83%E8%A1%A1%E4%B8%8E%E4%BC%98%E5%8C%96%E8%B7%AF%E5%BE%84/ 深入解析CORS预检请求的性能影响与优化策略。从简单请求判定条件到浏览器缓存限制，从安全设计初衷到生产环境优化方案，系统梳理为什么OPTIONS请求可能让你的API延迟翻倍，以及如何在架构层面消除这一隐形成本。