Click to see just the ID5 Code or you can view the Page
Source to see the full page code
In this sample, you can test how providing an email address will allow ID5 to link an ID across domains, provided we have seen the email address on another site
To see the calls the ID5 API makes, open Developer Tools in your browser and go to the Network tab. Filter
for id5-sync.com and you will see the http requests it makes.
An image with the ID5 Universal ID will display in the box below when it is available: