ベストアンサー：コメント欄右上の『コメント非表示』にチェックを入れると全コメント欄が非表示になります。 To this point, I haven't observed any list of headers that could lead to those browsers not to return cached versions of pages if you strike the back again button. I don't know what would be the behavior from the Apache using this config : - Pragma/Cache-Control has the https://www.aeroindustrial.com/product/dji-rtk-3/