Making the Web Instant
summary
Prefetching web pages reduces perceived load by exploiting the ~300 ms between hover and click and the 15 s average delay between search result display and click; Chrome implements this as Chrome Instant / Instant Pages by opening a hidden prerendered tab and swapping it in on click, using a simple prerender link tag. Challenges addressed: ads/analytics accounting (solved with the Page Visibility API), client resource limits, server load control and opt‑out. Early demos show near‑instant navigation when predictions are correct.
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chapters (6)
- 0:00Introduction
- 2:09Human delays in browsing
- 4:43Predicting user intent
- 7:46Prerendering challenges
- 10:16Empowering page authors
- 13:33Summary
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