Anthropic switched from Markdown to HTML artifacts for internal planning, code...

https://holdenlvxt779.theburnward.com/how-do-live-artifacts-refresh-with-current-data-every-time-you-reopen-them

Anthropic switched from Markdown to HTML artifacts for internal planning, code reviews, design systems, and reports because HTML boosts clarity and consistency. Their docs now handle 4.4 million views monthly with 5x faster load times