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Introducing LUX Sidecar: Your SpeedCurve Companion
CSS Wizardry0 views
LUX Sidecar is a small SpeedCurve RUM plugin that adds browser and navigation context to your real-user performance data.
Source：https://csswizardry.com/2026/08/introducing-lux-sidecar/PreviousWeb-Perf Wednesday 005 – RUM Needs More Than a PercentileNextWhen Safari’s ‘Ignore Cache’ Ignored Cache-Control
