@3dmvr In my experience, it works best with #Friendica. Firstly, it is the most widely federated (in addition to activity pub also #Diaspora + if required also Bluesky and Tumblr).
Secondly, in my experience, posts from the #Fediverse are displayed best and most completely. For example, this post by #Lemmy or #Peertube posts are displayed in full here, whereas Mastodon, for example, has problems with posts with headings, does not display video descriptions, and does not display all images.
Let's see if these images will be federated:
Mastodon, on the other hand, does not fully display starting posts with titles: