最終更新:2019-06-20 (木) 19:26:59 (1794d)
HTTP/キャッシュ
HTTPヘッダ
メモ
- Cache-Control は Expires ヘッダーよりも優先される
Cache-Control
Expires
Vary
ETag
Last-Modified?
- When "Expires" and "Cache-Control" headers are not specified, but a "Last-Modified?" header is specified, browsers have to guess at how long they should keep the document in cache.
If-None-Match?
Chrome
- from memory cache
- from disk cache
https://webmasters.stackexchange.com/questions/53942/why-is-this-response-being-cached
