Cloudflare's Speed Brain uses speculative prefetching to cut page load times by 45%
By
Velocifyer
A baker's-dozen of insight crammed into one ring.
Summary
Cloudflare announces "Speed Brain," a new feature using the Speculation Rules API to prefetch web pages before users navigate to them, aiming to reduce page load times by 45%. The technology anticipates user navigation and downloads content in advance, building on the observation that network transmission speeds have already approached theoretical limits. The article discusses how performance impacts user interaction and how prefetching can eliminate perceived latency by starting downloads before clicks happen.
Key quotes
· 5 pulledEach time a user visits your web page, they are initiating a race to receive content as quickly as possible.
Performance is a critical factor that influences how visitors interact with your site.
Speed Brain uses the Speculation Rules API to prefetch content for the user's likely next navigations.
The goal is to download a web page to the browser before a user navigates to it, allowing pages to load instantly.
Data on Cloudflare can traverse the 11,000 kilometer round trip between New York and London in about 76 milliseconds – faster than the blink of an eye.
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