lukeslp/bluesky-alt-text-observatory

Bluesky Accessibility Observatory This is a focused longitudinal observation of declared image descriptions in public Bluesky post commits. It begins with archive-format v2 and does not include the biased April 2026 snapshot corpus. daily_metrics and daily_language_metrics are aggregate observations at post creation time. description_sample is a deterministic, uniform bottom-k sample of non-empty descriptions after a 48-hour correction window. It uses keyed pseudonyms, not… See the full description on the dataset page: https://huggingface.co/datasets/lukeslp/bluesky-alt-text-observatory.