Tracking Code Customizations
ga('require', 'displayfeatures');
ga('create', 'UA-12345678-1', 'auto', { 'allowLinker': true });
ga('send', 'pageview');
ga('require', 'linker');
ga('linker:autoLink', ['othersite.com']);
ga('require', 'linkid', 'linkid.js');
ga('create', 'UA-12345678-1', 'auto');
ga('send', 'pageview');
ga('create', 'UA-12345678-2', 'auto', {'name': 'rollup'});
ga('rollup.send', 'pageview');
if (auth.user.isSignedIn()) {
ga('set', '&uid', auth.user.getId());
}