HTTP caching

參考資料

• https://developer.mozilla.org/en-US/docs/Web/HTTP/Caching
• https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Cache-Control
• https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Expires
• https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Last-Modified
• https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/ETag
• https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Vary
• https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Clear-Site-Data
• https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Pragma