日期: 2018 年 8 月 28 日

瀏覽器的 Cookie 是做登入、紀錄、追蹤等等，最常使用的工具。

不過現在 Cookie 要放的東西越來越多，Cookie 到底可以塞的容量是多少呢？

• 註1：照標準應該是 4096 bytes，不過瀏覽器實作時，都可能會有些落差~
• 註2：下述取自此篇：RFC-2965 HTTP State Management Mechanism
  • Practical user agent implementations have limits on the number and size of cookies that they can store.
    • at least 300 cookies
    • at least 4096 bytes per cookie (as measured by the characters that comprise the cookie non-terminal in the syntax description of the Set-Cookie2 header, and as received in the Set-Cookie2 header)
    • at least 20 cookies per unique host or domain name

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