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Lazy Loading and Markup Performance Basics

<img src="gallery-1.jpg" alt="Gallery image" loading="lazy" />
<iframe src="https://example.com/embed" title="Demo" loading="lazy"></iframe>

Markup-Level Wins​

  • Lazy-load below-the-fold media
  • Keep document structure simple
  • Avoid unnecessary embeds
  • Prefer efficient asset formats when the pipeline supports them

What's Next​