Google Analytics’s analytics.js is deprecated.
Page view
ga('create', 'UA-XXXX-Y', 'auto')
ga('create', 'UA-XXXX-Y', { userId: 'USER_ID' })
ga('send', 'pageview')
ga('send', 'pageview', { 'dimension15': 'My custom dimension' })
Events
ga('send', 'event', 'button', 'click', {color: 'red'});
ga('send', 'event', 'button', 'click', 'nav buttons', 4);
/* ^category ^action ^label ^value */
Exceptions
ga('send', 'exception', {
exDescription: 'DatabaseError',
exFatal: false,
appName: 'myapp',
appVersion: '0.1.2'
})