指标优化前优化后提升幅度首屏白屏时间3.2s0.8s75% ↓分包加载失败率12%0.5%95.8% ↓长列表渲染帧率15fps55fps266% ↑内存占用(峰值)350MB145MB58.6% ↓包体积4.5MB1.8MB60% ↓API响应时间(P95)850ms320ms62.4% ↓用户跳出率45%18%60% ↓转化率2.1%5.8%176% ↑日活用户8万15万87.5% ↑。