I don't understand what would be the behavior of the Apache using this config : - Pragma/Cache-Command has exactly the same role and also you give them 2 differents configs. It is Strange. - no-keep suggest the ressource shouldn't be cached. So how can it be revalidated ? Ajustar: esta https://ilovebookmarking.com/story20974603/helping-the-others-realize-the-advantages-of-%E4%BB%AE%E6%83%B3%E9%80%9A%E8%B2%A8%E3%82%AB%E3%82%B8%E3%83%8E-%E3%81%8A%E3%81%99%E3%81%99%E3%82%81