Measurement
Last updated Apr 16, 2026 Enable measurement to track your traffic in a privacy-first manner, optimizing your site's speed tools. To access this feature, you need to enable Web Analytics on your website. This analytics tool leverages Real User Measurement (RUM) data, providing insights based on actual user interactions to enhance site performance effectively.
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description: Resume TLS connections faster with zero round-trip time. title: 0-RTT Connection Resumption image: https://developers.cloudflare.com/speed/optimization/protocol/0-rtt-connection-resumption/og.png?v=48c55b1d4fcc336b
Documentation Index
Fetch the complete documentation index at: https://developers.cloudflare.com/speed/llms.txt
Use this file to discover all available pages before exploring further.
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