@_elena Is there a reason to link to one specific mirror of the MP4 instead to the talks page which includes a player which should automatically choose the best format/mirror?
E.g. https://fosdem.org/2026/schedule/event/RCV98B-the-social-web-and-digital-sovereignty/ instead of https://ftp.belnet.be/mirror/FOSDEM/video/2026/h2215/RCV98B-the-social-web-and-digital-sovereignty.mp4