You should only need to login when making donations or commenting within the Forum.
It is important to verify that you are accessing https://jdfarag.org (note .org and not .com) and not potentially another web site.
The image below illustrates the home page of the jdfarag.org web site for reference.
If you are accessing the correct site and still being prompted to login to view videos or for other activities, you may need to clear your internet browser's history/cache.
Also, if you're using bookmarks or saved links to access jdfarag.org you may need to update and replace these by going typing https://jdfarag.org in your browser address bar/area and then re-saving your bookmark or link.