diff --git a/modules/displayioBidAdapter.js b/modules/displayioBidAdapter.js
index 55a2f4a8604..e039d461fc7 100644
--- a/modules/displayioBidAdapter.js
+++ b/modules/displayioBidAdapter.js
@@ -88,9 +88,10 @@ export const spec = {
           keywords: params.keywords ? params.keywords.split(',').map(k => k.trim()) : [],
           lang_content: document.documentElement.lang,
           lang: window.navigator.language,
-          domain: window.location.hostname,
-          page: window.location.href,
-          ref: refererInfo.referer,
+          // TODO: are these the correct refererInfo values?
+          domain: refererInfo.domain,
+          page: refererInfo.page,
+          ref: refererInfo.ref,
           userids: _getUserIDs(),
           geo: '',
         },
diff --git a/modules/distroscaleBidAdapter.js b/modules/distroscaleBidAdapter.js
index b08f6755b00..005dd3e67d6 100644
--- a/modules/distroscaleBidAdapter.js
+++ b/modules/distroscaleBidAdapter.js
@@ -129,7 +129,8 @@ export const spec = {
   },
 
   buildRequests: (validBidRequests, bidderRequest) => {
-    var pageUrl = (bidderRequest && bidderRequest.refererInfo && bidderRequest.refererInfo.referer) || window.location.href;
+    // TODO: does the fallback to window.location make sense?
+    var pageUrl = bidderRequest?.refererInfo?.page || window.location.href;
 
     var payload = {
       id: '' + (new Date()).getTime(),
diff --git a/modules/docereeBidAdapter.js b/modules/docereeBidAdapter.js
index 737a9f707db..524f464cee3 100644
--- a/modules/docereeBidAdapter.js
+++ b/modules/docereeBidAdapter.js
@@ -24,6 +24,7 @@ export const spec = {
   buildRequests: (validBidRequests) => {
     const serverRequests = [];
     const { data } = config.getConfig('doceree.user')
+    // TODO: this should probably look at refererInfo
     const { page, domain, token } = config.getConfig('doceree.context')
     const encodedUserInfo = window.btoa(encodeURIComponent(JSON.stringify(data)))
 
diff --git a/modules/dspxBidAdapter.js b/modules/dspxBidAdapter.js
index da73fdd0177..f23d145eefe 100644
--- a/modules/dspxBidAdapter.js
+++ b/modules/dspxBidAdapter.js
@@ -22,7 +22,7 @@ export const spec = {
 
       const placementId = params.placement;
       const rnd = Math.floor(Math.random() * 99999999999);
-      const referrer = bidderRequest.refererInfo.referer;
+      const referrer = bidderRequest.refererInfo.page;
       const bidId = bidRequest.bidId;
       const isDev = params.devMode || false;
       const pbcode = bidRequest.adUnitCode || false; // div id
diff --git a/modules/e_volutionBidAdapter.js b/modules/e_volutionBidAdapter.js
index 63332db8725..a4372fc5dec 100644
--- a/modules/e_volutionBidAdapter.js
+++ b/modules/e_volutionBidAdapter.js
@@ -66,8 +66,9 @@ export const spec = {
   buildRequests: (validBidRequests = [], bidderRequest) => {
     let winTop = window;
     let location;
+    // TODO: this odd try-catch block was copied in several adapters; it doesn't seem to be correct for cross-origin
     try {
-      location = new URL(bidderRequest.refererInfo.referer)
+      location = new URL(bidderRequest.refererInfo.page)
       winTop = window.top;
     } catch (e) {
       location = winTop.location;
diff --git a/modules/emx_digitalBidAdapter.js b/modules/emx_digitalBidAdapter.js
index 66fd2eb2ac1..57a2483519d 100644
--- a/modules/emx_digitalBidAdapter.js
+++ b/modules/emx_digitalBidAdapter.js
@@ -14,6 +14,7 @@ import {registerBidder} from '../src/adapters/bidderFactory.js';
 import {BANNER, VIDEO} from '../src/mediaTypes.js';
 import {Renderer} from '../src/Renderer.js';
 import {find, includes} from '../src/polyfill.js';
+import {parseDomain} from '../src/refererDetection.js';
 
 const BIDDER_CODE = 'emx_digital';
 const ENDPOINT = 'hb.emxdgt.com';
@@ -140,19 +141,12 @@ export const emxAdapter = {
       logError('emx_digitalBidAdapter', 'error', err);
     }
   },
-  getReferrer: () => {
-    try {
-      return window.top.document.referrer;
-    } catch (err) {
-      return document.referrer;
-    }
-  },
   getSite: (refInfo) => {
-    let url = parseUrl(refInfo.referer);
+    // TODO: do the fallbacks make sense?
     return {
-      domain: url.hostname,
-      page: refInfo.referer,
-      ref: emxAdapter.getReferrer()
+      domain: refInfo.domain || parseDomain(refInfo.topmostLocation),
+      page: refInfo.page || refInfo.topmostLocation,
+      ref: refInfo.ref || window.document.referrer
     }
   },
   getGdpr: (bidRequests, emxData) => {
diff --git a/test/spec/modules/emx_digitalBidAdapter_spec.js b/test/spec/modules/emx_digitalBidAdapter_spec.js
index 043a8a3709e..d99318b5ddc 100644
--- a/test/spec/modules/emx_digitalBidAdapter_spec.js
+++ b/test/spec/modules/emx_digitalBidAdapter_spec.js
@@ -211,7 +211,9 @@ describe('emx_digital Adapter', function () {
       'refererInfo': {
         'numIframes': 0,
         'reachedTop': true,
-        'referer': 'https://example.com/index.html?pbjs_debug=true'
+        'page': 'https://example.com/index.html?pbjs_debug=true',
+        'domain': 'example.com',
+        'ref': 'https://referrer.com'
       },
       'bids': [{
         'bidder': 'emx_digital',
@@ -304,7 +306,7 @@ describe('emx_digital Adapter', function () {
       request = JSON.parse(request.data);
       expect(request.site).to.have.property('domain', 'example.com');
       expect(request.site).to.have.property('page', 'https://example.com/index.html?pbjs_debug=true');
-      expect(request.site).to.have.property('ref', window.top.document.referrer);
+      expect(request.site).to.have.property('ref', 'https://referrer.com');
     });
 
     it('builds correctly formatted request banner object', function () {