Field data
Measurements from real visitors on their own devices and networks. It shows what people felt but arrives only after you ship.
Where the book teaches it
Related terms
Lab dataCrUX (Chrome User Experience Report)Real-user monitoring (RUM)
Measurements from real visitors on their own devices and networks. It shows what people felt but arrives only after you ship.
Lab dataCrUX (Chrome User Experience Report)Real-user monitoring (RUM)