TL;DR
Fully loaded time is the moment, measured from navigation start, when network activity has remained idle for a defined period (typically two seconds), indicating that all resources, including late-loaded assets, have finished downloading.
What is Fully Loaded Time?
Fully loaded time is the moment, measured from navigation start, when network activity has remained idle for a defined period (typically two seconds), indicating that all resources, including late-loaded assets, have finished downloading.
Learn more in our which load metrics actually matter guide, or work with us through our done-for-you speed optimization service.
How Fully Loaded Time is Measured
WebPageTest and GTmetrix report fully loaded time after detecting the network-idle period.