Syntax - Tasty Web Development Treats

855: Fast Websites: The New Speculation Rules API

27 snips
Dec 2, 2024
Scott and Wes dive into the transformative Speculation Rules API, revealing how it can make websites lightning-fast. They explore the magic of techniques like pre-loading and prefetching, comparing them to preparing for a trip. The duo weighs the costs of these methods for both developers and users, stressing the importance of real-world performance over theoretical metrics. With captivating case studies, they highlight the synergy between caching strategies and user experience, paving the way for more responsive web applications.
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ADVICE

Preload vs. Preconnect

  • Use preload to tell the browser to download a resource immediately.
  • Use preconnect to establish early connections without downloading.
INSIGHT

Early Preloading Benefits

  • Preloading resources like web fonts early can significantly improve perceived website speed.
  • HTML parsing's waterfall nature necessitates this to avoid delays.
ANECDOTE

First Encounters with Preloading

  • Wes first encountered preloading with Google Fonts.
  • Scott's experience with Gatsby highlighted the impact of preloading on page load speed.
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