Cache-Management: No-cache and Cache-Manage: non-public clash - you ought to never get equally with each other: the previous tells browsers and proxies never to cache in any way, the latter tells proxies never to cache but lets browsers hold their own individual non-public copy. Thus far, I have never found https://www.aeroindustrial.com/product/camara-dji-zenmuse-h30-matrice-300-350-400/