You may need to ask your developers to make changes on your IDP and Websites....
A few options:
1. It sounds like user might follow the flow of:
Google > Website > (auto redirect to) IDP > (Login action) > Website
So you may have to override the headers on the redirect from website to IDP, then again on the redirection from the IDP to the website....
But, this requires server side changes and overwriting the referrer in the headers...
The problem here, is that your IDP code might be using those initial headers to determine which website to send the users to after login... and may not be a viable option
2. You may need to add the "referrer" as a custom parameter through all these redirects, so that IF you have that param when the user lands on your site, you read from this param and overwrite the referrer. If there is no referrer on the IDP site, pass a special "none" value so that you can tell the difference between direct traffic to IDP, vs actual referrers to IDP.... (i.e. ?referrer=https%3A%2F%2Fwww.google.com or ?referrer=none)
Basically, you can set up a normal Data Element to pull the referrer, then a second Data Element to read the existence of the "referrer param". Then create a custom code Data Element that uses logic to choose which to use....
var realReferrer = _satellite.getVar('referrer');
var paramReferrer = _satellite.getVar('paramreferrer');
var finalReferrer = '';
// Check if the referrer is "IDP" AND there is a parameter query string, this also helps prevent "back" navigation to the url with the param to not "double track" the referrer
if (realReferrer.indexOf('www.idplogin.com') > -1 && paramReferrer){
// if the passed referrer is not "none", then set the referrer to the passed value
if (paramReferrer != "none"){
finalReferrer = paramReferrer;
}
// since the default value is already nothing, "none" should pass as empty
}
else {
// If someone is logged in, and doesn't go through the IDP, this should pick up the real referrer
finalReferrer = realReferrer;
}
return finalReferrer;
You can also add your IDP domain as an internal URL filter to make sure it doesn't show up in your referrers report.