Results from tracking 23,493 images across 1,608 instances from the mastodon.social federated timeline. Then filtering down to the top 1000 instances by active user from instances.social who had posted at least 29 images (2x the average).

Tracked 22,776 posts across 3,004 instances. Federated: 32% - Found 8,793 descriptions set on 27,485 images. Local: 20% - Found 1,393 descriptions set on 7,121 images.