diff --git a/modules/appierBidAdapter.js b/modules/appierBidAdapter.js
index ddb2a050e73..12346d15130 100644
--- a/modules/appierBidAdapter.js
+++ b/modules/appierBidAdapter.js
@@ -44,10 +44,7 @@ export const spec = {
     const payload = {
       'bids': bidRequests,
       // TODO: please do not pass internal data structures over to the network
-      'refererInfo': {
-        ...bidderRequest.refererInfo,
-        referer: bidderRequest.refererInfo.topmostLocation,
-      },
+      'refererInfo': bidderRequest.refererInfo.legacy,
       'version': ADAPTER_VERSION
     };
     return [{
diff --git a/modules/asealBidAdapter.js b/modules/asealBidAdapter.js
index 855aee65f34..abe0cf907ed 100644
--- a/modules/asealBidAdapter.js
+++ b/modules/asealBidAdapter.js
@@ -59,7 +59,8 @@ export const spec = {
 
     const data = {
       bids: validBidRequests,
-      refererInfo: bidderRequest.refererInfo,
+      // TODO: please do not pass internal data structures over to the network
+      refererInfo: bidderRequest.refererInfo?.legacy,
       device: {
         webSessionId: getTrekWebSessionId(),
       },
diff --git a/modules/asoBidAdapter.js b/modules/asoBidAdapter.js
index bf45b9ee48f..cd6a5a8ffdb 100644
--- a/modules/asoBidAdapter.js
+++ b/modules/asoBidAdapter.js
@@ -3,6 +3,7 @@ import {registerBidder} from '../src/adapters/bidderFactory.js';
 import {config} from '../src/config.js';
 import {BANNER, VIDEO} from '../src/mediaTypes.js';
 import {Renderer} from '../src/Renderer.js';
+import {parseDomain} from '../src/refererDetection.js';
 
 const BIDDER_CODE = 'aso';
 const DEFAULT_SERVER_URL = 'https://srv.aso1.net';
@@ -167,28 +168,13 @@ function createRenderer(bid, url) {
 }
 
 function getUrlsInfo(bidderRequest) {
-  let page = '';
-  let referrer = '';
-
-  const {refererInfo} = bidderRequest;
-
-  if (inIframe()) {
-    page = refererInfo.referer;
-  } else {
-    const w = getWindowTop();
-    page = w.location.href;
-    referrer = w.document.referrer || '';
-  }
-
-  page = config.getConfig('pageUrl') || page;
-  const url = parseUrl(page);
-  const domain = url.hostname;
-
+  const {page, domain, ref} = bidderRequest.refererInfo;
   return {
-    domain,
-    page,
-    referrer
-  };
+    // TODO: do the fallbacks make sense here?
+    page: page || bidderRequest.refererInfo?.topmostLocation,
+    referrer: ref || '',
+    domain: domain || parseDomain(bidderRequest?.refererInfo?.topmostLocation)
+  }
 }
 
 function getSize(paramSizes) {
diff --git a/modules/astraoneBidAdapter.js b/modules/astraoneBidAdapter.js
index c233e665499..d6bfa4b93ee 100644
--- a/modules/astraoneBidAdapter.js
+++ b/modules/astraoneBidAdapter.js
@@ -99,7 +99,7 @@ export const spec = {
    */
   buildRequests(validBidRequests, bidderRequest) {
     const payload = {
-      url: bidderRequest.refererInfo.referer,
+      url: bidderRequest.refererInfo.page,
       cmp: !!bidderRequest.gdprConsent,
       bidRequests: buildBidRequests(validBidRequests)
     };
diff --git a/modules/audiencerunBidAdapter.js b/modules/audiencerunBidAdapter.js
index 2744e38e820..754a48ede75 100644
--- a/modules/audiencerunBidAdapter.js
+++ b/modules/audiencerunBidAdapter.js
@@ -71,12 +71,7 @@ function getPageReferer() {
  * @return {string}
  */
 function getPageUrl(bidderRequest) {
-  return (
-    config.getConfig('pageUrl') ||
-    deepAccess(bidderRequest, 'refererInfo.referer') ||
-    getPageReferer() ||
-    null
-  );
+  return bidderRequest?.refererInfo?.page
 }
 
 export const spec = {
@@ -127,10 +122,12 @@ export const spec = {
 
     const payload = {
       libVersion: this.version,
-      pageUrl: config.getConfig('pageUrl'),
+      pageUrl: bidderRequest?.refererInfo?.page,
+      // TODO: does it make sense to find a half-way referer? what should these parameters pick
       pageReferer: getPageReferer(),
-      referer: deepAccess(bidderRequest, 'refererInfo.referer'),
-      refererInfo: deepAccess(bidderRequest, 'refererInfo'),
+      referer: deepAccess(bidderRequest, 'refererInfo.topmostLocation'),
+      // TODO: please do not send internal data structures over the network
+      refererInfo: deepAccess(bidderRequest, 'refererInfo.legacy'),
       currencyCode: config.getConfig('currency.adServerCurrency'),
       timeout: config.getConfig('bidderTimeout'),
       bids,
diff --git a/modules/automatadBidAdapter.js b/modules/automatadBidAdapter.js
index e3d0d87783a..6b65ac0699c 100644
--- a/modules/automatadBidAdapter.js
+++ b/modules/automatadBidAdapter.js
@@ -61,9 +61,9 @@ export const spec = {
       imp: impressions,
       site: {
         id: siteId,
-        domain: window.location.hostname,
-        page: window.location.href,
-        ref: bidderRequest.refererInfo ? bidderRequest.refererInfo.referer || null : null,
+        domain: bidderRequest.refererInfo?.domain,
+        page: bidderRequest.refererInfo?.page,
+        ref: bidderRequest.refererInfo?.ref
       },
     }
 
diff --git a/modules/axonixBidAdapter.js b/modules/axonixBidAdapter.js
index a790a89a0c1..5435bf09059 100644
--- a/modules/axonixBidAdapter.js
+++ b/modules/axonixBidAdapter.js
@@ -25,12 +25,11 @@ function getBidFloor(bidRequest) {
 }
 
 function getPageUrl(bidRequest, bidderRequest) {
-  let pageUrl = config.getConfig('pageUrl');
-
+  let pageUrl;
   if (bidRequest.params.referrer) {
     pageUrl = bidRequest.params.referrer;
-  } else if (!pageUrl) {
-    pageUrl = bidderRequest.refererInfo.referer;
+  } else {
+    pageUrl = bidderRequest.refererInfo.page;
   }
 
   return bidRequest.params.secure ? pageUrl.replace(/^http:/i, 'https:') : pageUrl;
diff --git a/src/refererDetection.js b/src/refererDetection.js
index 8cbc278192e..adcd255376e 100644
--- a/src/refererDetection.js
+++ b/src/refererDetection.js
@@ -240,6 +240,16 @@ export function detectReferer(win) {
       page,
       domain: parseDomain(page) || null,
       ref: ref || null,
+      // TODO: the "legacy" refererInfo object is provided here, for now, to accomodate
+      // adapters that decided to just sent it verbatim to their backend.
+      legacy: {
+        reachedTop,
+        isAmp: valuesFromAmp,
+        numIframes: level - 1,
+        stack,
+        referer: bestLocation || null,
+        canonicalUrl: bestCanonicalUrl || null,
+      }
     };
   }
 
diff --git a/test/spec/modules/asoBidAdapter_spec.js b/test/spec/modules/asoBidAdapter_spec.js
index 0dc779a300d..5ac44cb1db4 100644
--- a/test/spec/modules/asoBidAdapter_spec.js
+++ b/test/spec/modules/asoBidAdapter_spec.js
@@ -62,7 +62,8 @@ describe('Adserver.Online bidding adapter', function () {
     refererInfo: {
       numIframes: 0,
       reachedTop: true,
-      referer: 'https://example.com'
+      page: 'https://example.com',
+      domain: 'example.com'
     }
   };
 
diff --git a/test/spec/modules/audiencerunBidAdapter_spec.js b/test/spec/modules/audiencerunBidAdapter_spec.js
index 7f1e059fa2a..57de8bdb0df 100644
--- a/test/spec/modules/audiencerunBidAdapter_spec.js
+++ b/test/spec/modules/audiencerunBidAdapter_spec.js
@@ -114,7 +114,8 @@ describe('AudienceRun bid adapter tests', function () {
         },
         refererInfo: {
           canonicalUrl: undefined,
-          referer: 'https://example.com',
+          page: 'https://example.com',
+          topmostLocation: 'https://example.com',
           numIframes: 0,
           reachedTop: true,
         },
diff --git a/test/spec/modules/axonixBidAdapter_spec.js b/test/spec/modules/axonixBidAdapter_spec.js
index a952d527600..37f409e5769 100644
--- a/test/spec/modules/axonixBidAdapter_spec.js
+++ b/test/spec/modules/axonixBidAdapter_spec.js
@@ -65,7 +65,7 @@ describe('AxonixBidAdapter', function () {
       gdprApplies: true
     },
     refererInfo: {
-      referer: 'https://www.prebid.org',
+      page: 'https://www.prebid.org',
       canonicalUrl: 'https://www.prebid.org/the/link/to/the/page'
     }
   };