@godblessstrawberry I did not discover any m3u8 extension file in Network tab of Developer Tools in chrome browser. Could you remember to advise me what's the difficulty? Thanks I edited configuration file of my project to append no-cache headers, but that also disabled caching static written content, which is not https://bookmarkcitizen.com/story20977795/%E3%83%93%E3%83%83%E3%83%88%E3%82%B3%E3%82%A4%E3%83%B3%E3%82%AB%E3%82%B8%E3%83%8E-an-overview