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Blog Frontend Performance Optimization Practice: 10 Improvements from Lighthouse Score 50 to 100

Based on the Lighthouse performance optimization experience of JoyMini Blog, this article systematically documents the complete process of 10 performance improvement measures, including viewport accessibility fixes, image size optimization, video lazy loading, third-party script lazy loading, JavaScript chunking strategy, etc., covering all categories from P0 emergency fixes to P2 progressive enhancements.