diff --git a/modules/medianetAnalyticsAdapter.js b/modules/medianetAnalyticsAdapter.js
index 09ebbc9bc31..05c18a47f94 100644
--- a/modules/medianetAnalyticsAdapter.js
+++ b/modules/medianetAnalyticsAdapter.js
@@ -182,16 +182,16 @@ class Configure {
 
 class PageDetail {
   constructor () {
-    const canonicalUrl = this._getUrlFromSelector('link[rel="canonical"]', 'href');
     const ogUrl = this._getUrlFromSelector('meta[property="og:url"]', 'content');
     const twitterUrl = this._getUrlFromSelector('meta[name="twitter:url"]', 'content');
     const refererInfo = getRefererInfo();
 
-    this.domain = URL.parseUrl(refererInfo.referer).hostname;
-    this.page = refererInfo.referer;
+    // TODO: are these the right refererInfo values?
+    this.domain = refererInfo.domain;
+    this.page = refererInfo.page;
     this.is_top = refererInfo.reachedTop;
-    this.referrer = this._getTopWindowReferrer();
-    this.canonical_url = canonicalUrl;
+    this.referrer = refererInfo.ref || window.document.referrer;
+    this.canonical_url = refererInfo.canonicalUrl;
     this.og_url = ogUrl;
     this.twitter_url = twitterUrl;
     this.screen = this._getWindowSize();
diff --git a/modules/medianetBidAdapter.js b/modules/medianetBidAdapter.js
index db3921c9a47..9a93255fc9e 100644
--- a/modules/medianetBidAdapter.js
+++ b/modules/medianetBidAdapter.js
@@ -19,6 +19,8 @@ const EVENTS = {
 };
 const EVENT_PIXEL_URL = 'qsearch-a.akamaihd.net/log';
 const OUTSTREAM = 'outstream';
+
+// TODO: this should be picked from bidderRequest
 let refererInfo = getRefererInfo();
 
 let mnData = {};
@@ -27,8 +29,8 @@ window.mnet = window.mnet || {};
 window.mnet.queue = window.mnet.queue || [];
 
 mnData.urlData = {
-  domain: parseUrl(refererInfo.referer).hostname,
-  page: refererInfo.referer,
+  domain: refererInfo.domain,
+  page: refererInfo.page,
   isTop: refererInfo.reachedTop
 }
 
diff --git a/modules/mediasniperBidAdapter.js b/modules/mediasniperBidAdapter.js
index 3e57503f7fb..b5f26a7f9e8 100644
--- a/modules/mediasniperBidAdapter.js
+++ b/modules/mediasniperBidAdapter.js
@@ -76,19 +76,18 @@ export const spec = {
 
     // Assign payload.site from refererinfo
     if (bidderRequest.refererInfo) {
+      // TODO: reachedTop is probably not the right check - it may be false when page is available or vice-versa
       if (bidderRequest.refererInfo.reachedTop) {
-        const sitePage = bidderRequest.refererInfo.referer;
+        const sitePage = bidderRequest.refererInfo.page;
         deepSetValue(payload, 'site.page', sitePage);
         deepSetValue(
           payload,
           'site.domain',
-          parseUrl(sitePage, {
-            noDecodeWholeURL: true,
-          }).hostname
+          bidderRequest.refererInfo.domain
         );
 
-        if (canAccessTopWindow()) {
-          deepSetValue(payload, 'site.ref', getWindowTop().document.referrer);
+        if (bidderRequest.refererInfo?.ref) {
+          deepSetValue(payload, 'site.ref', bidderRequest.refererInfo.ref);
         }
       }
     }
diff --git a/modules/mediasquareBidAdapter.js b/modules/mediasquareBidAdapter.js
index 427a16f1341..1be58501828 100644
--- a/modules/mediasquareBidAdapter.js
+++ b/modules/mediasquareBidAdapter.js
@@ -55,7 +55,8 @@ export const spec = {
     });
     const payload = {
       codes: codes,
-      referer: encodeURIComponent(bidderRequest.refererInfo.referer),
+      // TODO: is 'page' the right value here?
+      referer: encodeURIComponent(bidderRequest.refererInfo.page || bidderRequest.refererInfo.topmostLocation),
       pbjs: '$prebid.version$'
     };
     if (bidderRequest) { // modules informations (gdpr, ccpa, schain, userId)
diff --git a/modules/mgidBidAdapter.js b/modules/mgidBidAdapter.js
index 51b713c8958..7565b713e88 100644
--- a/modules/mgidBidAdapter.js
+++ b/modules/mgidBidAdapter.js
@@ -122,7 +122,8 @@ export const spec = {
       return;
     }
     const info = pageInfo();
-    const page = info.location || deepAccess(bidderRequest, 'refererInfo.referer') || deepAccess(bidderRequest, 'refererInfo.canonicalUrl');
+    // TODO: the fallback seems to never be used here, and probably in the wrong order
+    const page = info.location || deepAccess(bidderRequest, 'refererInfo.page')
     const hostname = parseUrl(page).hostname;
     let domain = extractDomainFromHost(hostname) || hostname;
     const accountId = setOnAny(validBidRequests, 'params.accountId');
diff --git a/modules/microadBidAdapter.js b/modules/microadBidAdapter.js
index 982bd61840a..77710584f41 100644
--- a/modules/microadBidAdapter.js
+++ b/modules/microadBidAdapter.js
@@ -51,8 +51,9 @@ export const spec = {
       const bidParams = bid.params;
       const params = {
         spot: bidParams.spot,
-        url: bidderRequest.refererInfo.canonicalUrl || window.location.href,
-        referrer: bidderRequest.refererInfo.referer,
+        // TODO: are these the right refererInfo values - does the fallback make sense here?
+        url: bidderRequest.refererInfo.page || window.location.href,
+        referrer: bidderRequest.refererInfo.ref,
         bid_id: bid.bidId,
         transaction_id: bid.transactionId,
         media_types: convertMediaTypes(bid),
diff --git a/src/refererDetection.js b/src/refererDetection.js
index 3241773c1a6..b60951234a5 100644
--- a/src/refererDetection.js
+++ b/src/refererDetection.js
@@ -104,7 +104,7 @@ export function detectReferer(win) {
    * @property {string|null} canonicalUrl the site's canonical URL as set by the publisher, through setConfig({pageUrl}) or <link rel="canonical" />
    * @property {string|null} page the best candidate for the current page URL: `canonicalUrl`, falling back to `location`
    * @property {string|null} domain the domain portion of `page`
-   * @property {string|null} the referrer (document.referrer) to the current page, or null if not available (due to cross-origin restrictions)
+   * @property {string|null} ref the referrer (document.referrer) to the current page, or null if not available (due to cross-origin restrictions)
    * @property {string} topmostLocation of the top-most frame for which we could guess the location. Outside of cross-origin scenarios, this is equivalent to `location`.
    * @property {number} numIframes number of steps between window.self and window.top
    * @property {Array[string|null]} stack our best guess at the location for each frame, in the direction top -> self.
diff --git a/test/spec/microadBidAdapter_spec.js b/test/spec/modules/microadBidAdapter_spec.js
similarity index 98%
rename from test/spec/microadBidAdapter_spec.js
rename to test/spec/modules/microadBidAdapter_spec.js
index be310fb8e3c..ff0b705594b 100644
--- a/test/spec/microadBidAdapter_spec.js
+++ b/test/spec/modules/microadBidAdapter_spec.js
@@ -61,8 +61,8 @@ describe('microadBidAdapter', () => {
   describe('buildRequests', () => {
     const bidderRequest = {
       refererInfo: {
-        canonicalUrl: 'https://example.com/to',
-        referer: 'https://example.com/from'
+        page: 'https://example.com/to',
+        ref: 'https://example.com/from'
       }
     };
     const expectedResultTemplate = {
@@ -124,10 +124,10 @@ describe('microadBidAdapter', () => {
       ]);
     });
 
-    it('should use window.location.href if there is no canonicalUrl', () => {
+    it('should use window.location.href if there is no page', () => {
       const bidderRequestWithoutCanonicalUrl = {
         refererInfo: {
-          referer: 'https://example.com/from'
+          ref: 'https://example.com/from'
         }
       };
       const requests = spec.buildRequests([bidRequestTemplate], bidderRequestWithoutCanonicalUrl);