Anthropic switched to HTML artifacts because they cut review latency by 5x...

https://lima-wiki.win/index.php/HTML_Artifacts_Stopped_Being_Snappy_for_Me_%E2%80%93_How_Do_You_Deal_with_5x_Slower_Generation%3F

Anthropic switched to HTML artifacts because they cut review latency by 5x compared to Markdown. With 4.4 million views a month, faster feedback means teams catch issues sooner and ship features quicker