Anthropic switched to HTML artifacts because they cut page load times by 5x...

https://holdenlvxt779.theburnward.com/what-does-living-design-systems-that-travel-with-codebases-mean-in-practice

Anthropic switched to HTML artifacts because they cut page load times by 5x compared to Markdown. That means teams review designs, plan features, and share reports faster, with no delays holding them back