b43cb22dc1
- Replace YouTube iframes with lightweight facade (thumbnail + play button) - Load real iframe only on user click - Reduces TBT by ~2000ms - Works with mu-plugin allow-unfiltered-html.php - Filter priority 101 (after RCP) 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>