Cloudflare隐私沙盒与第三方Cookie淘汰

Fri, 05 Dec 2025 00:00:00 +0900

The End of Third-Party Cookies

The third-party cookie era is ending. After years of delays and industry pushback, Chrome has begun phasing out cross-site tracking cookies. This fundamentally changes how web analytics, advertising, and personalization function. Understanding the deprecation timeline and replacement APIs is essential for every web developer.

Chrome Phase-Out Timeline

Google’s Privacy Sandbox initiative has followed this trajectory:

Date	Milestone
2024 Q1	1% Chrome users have 3PC restricted
2025 Q2	Testing phase with expanded cohorts
2025 Q3-Q4	Graduated rollout begins
2026	Full deprecation for all Chrome users

Privacy Sandbox APIs

The Privacy Sandbox replaces third-party cookies with several purpose-built APIs:

缓解 CSRF：SameSite Cookie 属性和 CSRF 令牌

Mon, 25 Aug 2025 00:00:00 +0900

介绍

Cookie 是管理用户身份验证状态的便捷机制。当会话 ID 存储在 cookie 中时，浏览器会自动将其附加到针对该域的传出 HTTP 请求。

但是，此自动附件功能会被 跨站点请求伪造 (CSRF) 攻击所利用。

Cookie on Commentary of Takao

Cloudflare隐私沙盒与第三方Cookie淘汰

The End of Third-Party Cookies

Chrome Phase-Out Timeline

Privacy Sandbox APIs

缓解 CSRF：SameSite Cookie 属性和 CSRF 令牌

介绍