Speed Brain: Helping Web Pages Load Faster (2024)
Posted4 months agoActive4 months ago
blog.cloudflare.comTechstory
calmmixed
Debate
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Web PerformancePrefetchingCloudflare
Key topics
Web Performance
Prefetching
Cloudflare
Cloudflare introduces Speed Brain, a technology that prefetches web pages to improve load times, sparking discussion about its effectiveness and potential drawbacks, such as increased data usage.
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Sep 5, 2025 at 4:16 PM EDT
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"Another option is to load the pages when the user starts pressing their mouse without preloading. This makes for zero unused requests while still improving page loads by 80 ms on average."
That's the way I would go. Fast, but not wasteful.
Nice, but if everyone hits the same top 3 pages at once (think Oscar night), you're still fighting the same bottleneck. Faster fetch just means faster contention.
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