Anthropic switched to HTML artifacts because they load 5 times faster than...
https://elliottkykp923.yousher.com/is-markdown-only-popular-because-of-the-old-8-192-token-limit-era
Anthropic switched to HTML artifacts because they load 5 times faster than Markdown, making internal planning, code reviews, design systems, and reports much snappier. This speed boost means teams spend less time waiting and more time building