TODO

  1. google 性能测试工具
  2. 函数记忆缓存实践

js

  1. 记忆函数缓存实践、memorize
  2. if else 优化

图片

  1. 模糊加载
  2. traced placeholder
  3. 响应式图像
    • Images that have a fixed width and height
    • Images that stretch across a fluid container