Anthropic switched to HTML artifacts instead of Markdown to boost clarity and...

https://atomic-wiki.win/index.php/Is_HTML_a_Good_Default_for_Design_Systems_Compared_to_Markdown_Docs%3F

Anthropic switched to HTML artifacts instead of Markdown to boost clarity and speed in planning, code reviews, and reports. They’ve seen a 5x drop in loading latency and handled 4.4 million views seamlessly