3 ms·
The lack of support in mobile Safari (http://caniuse.com/#feat=nav-timing http://caniuse.com/#feat=nav-timing) may be a significant part of that.
by realityking 11y ago
The lack of support in mobile Safari (http://caniuse.com/#feat=nav-timing http://caniuse.com/#feat=nav-timing) may be a significant part of that.