[1] Delivering Fast and Light Applications with Save-Data | Web Updates - Google Developers (2016-02-26 00:28:13 +09:00 版) https://developers.google.com/web/updates/2016/02/save-data?hl=en

[2] HTTP Client Hints: Save-Data - Chrome Platform Status (2017-03-21 00:35:00 +09:00) https://www.chromestatus.com/feature/5720139752275968

[3] 485640 - Add support for "Save-Data" hint - chromium - Monorail (2017-03-21 00:35:20 +09:00) https://bugs.chromium.org/p/chromium/issues/detail?id=485640