diff --git a/modules/sspBCBidAdapter.js b/modules/sspBCBidAdapter.js
index b4caf1db1d0..c8f3c138ce4 100644
--- a/modules/sspBCBidAdapter.js
+++ b/modules/sspBCBidAdapter.js
@@ -9,11 +9,13 @@ const BIDDER_URL = 'https://ssp.wp.pl/bidder/';
 const SYNC_URL = 'https://ssp.wp.pl/bidder/usersync';
 const NOTIFY_URL = 'https://ssp.wp.pl/bidder/notify';
 const TMAX = 450;
-const BIDDER_VERSION = '5.2';
+const BIDDER_VERSION = '5.3';
 const W = window;
 const { navigator } = W;
 const oneCodeDetection = {};
+const adUnitsCalled = {};
 const adSizesCalled = {};
+const pageView = {};
 var consentApiVersion;
 
 /**
@@ -70,6 +72,7 @@ const cookieSupport = () => {
 };
 
 const applyClientHints = ortbRequest => {
+  const { location } = document;
   const { connection = {}, deviceMemory, userAgentData = {} } = navigator;
   const viewport = W.visualViewport || false;
   const segments = [];
@@ -85,6 +88,16 @@ const applyClientHints = ortbRequest => {
     'CH-isMobile': userAgentData.mobile,
   };
 
+  /**
+    Check / generate page view id
+    Should be generated dureing first call to applyClientHints(),
+    and re-generated if pathname has changed
+  */
+  if (!pageView.id || location.pathname !== pageView.path) {
+    pageView.path = location.pathname;
+    pageView.id = Math.floor(1E20 * Math.random());
+  }
+
   Object.keys(hints).forEach(key => {
     const hint = hints[key];
 
@@ -100,6 +113,14 @@ const applyClientHints = ortbRequest => {
       id: '12',
       name: 'NetInfo',
       segment: segments,
+    }, {
+      id: '7',
+      name: 'pvid',
+      segment: [
+        {
+          value: `${pageView.id}`
+        }
+      ]
     }];
 
   ortbRequest.user = Object.assign(ortbRequest.user, { data });
@@ -129,6 +150,7 @@ const setOnAny = (collection, key) => collection.reduce((prev, next) => prev ||
  */
 const sendNotification = payload => {
   ajax(NOTIFY_URL, null, JSON.stringify(payload), {
+    contentType: 'application/json',
     withCredentials: false,
     method: 'POST',
     crossOrigin: true
@@ -267,8 +289,14 @@ const mapImpression = slot => {
      send this info as ext.pbsize
   */
   const slotSize = slot.sizes.length ? slot.sizes.reduce((prev, next) => prev[0] * prev[1] <= next[0] * next[1] ? next : prev).join('x') : '1x1';
-  adSizesCalled[slotSize] = adSizesCalled[slotSize] ? adSizesCalled[slotSize] += 1 : 1;
-  ext.data = Object.assign({ pbsize: `${slotSize}_${adSizesCalled[slotSize]}` }, ext.data);
+
+  if (!adUnitsCalled[adUnitCode]) {
+    // this is a new adunit - assign & save pbsize
+    adSizesCalled[slotSize] = adSizesCalled[slotSize] ? adSizesCalled[slotSize] += 1 : 1;
+    adUnitsCalled[adUnitCode] = `${slotSize}_${adSizesCalled[slotSize]}`
+  }
+
+  ext.data = Object.assign({ pbsize: adUnitsCalled[adUnitCode] }, ext.data);
 
   const imp = {
     id: id && siteId ? id : 'bidid-' + bidId,
@@ -325,6 +353,9 @@ const parseNative = nativeData => {
       case 0:
         result.title = asset.title.text;
         break;
+      case 1:
+        result.cta = asset.data.value;
+        break;
       case 2:
         result.icon = {
           url: asset.img.url,
diff --git a/test/spec/modules/sspBCBidAdapter_spec.js b/test/spec/modules/sspBCBidAdapter_spec.js
index 75a269c93f7..d9f3ca84a3a 100644
--- a/test/spec/modules/sspBCBidAdapter_spec.js
+++ b/test/spec/modules/sspBCBidAdapter_spec.js
@@ -518,6 +518,33 @@ describe('SSPBC adapter', function () {
       expect(payload.user).to.be.an('object').and.to.have.property('[ortb_extensions.consent]', bidRequest.gdprConsent.consentString);
     });
 
+    it('should send net info and pvid', function () {
+      expect(payload.user).to.be.an('object').and.to.have.property('data').that.is.an('array');
+
+      const userData = payload.user.data;
+      expect(userData.length).to.equal(2);
+
+      const netInfo = userData[0];
+      expect(netInfo.id).to.equal('12');
+      expect(netInfo.name).to.equal('NetInfo');
+      expect(netInfo).to.have.property('segment').that.is.an('array');
+
+      const pvid = userData[1];
+      expect(pvid.id).to.equal('7');
+      expect(pvid.name).to.equal('pvid');
+      expect(pvid).to.have.property('segment').that.is.an('array');
+      expect(pvid.segment[0]).to.have.property('value');
+    });
+
+    it('pvid should be constant on a single page view', function () {
+      const userData1 = payload.user.data;
+      const userData2 = payloadNative.user.data;
+      const pvid1 = userData1[1];
+      const pvid2 = userData2[1];
+
+      expect(pvid1.segment[0].value).to.equal(pvid2.segment[0].value);
+    });
+
     it('should build correct native payload', function () {
       const nativeAssets = payloadNative.imp && payloadNative.imp[0].native.request;
 
@@ -543,13 +570,16 @@ describe('SSPBC adapter', function () {
       expect(videoAssets).to.have.property('api').that.is.an('array');
     });
 
-    it('should create auxilary placement identifier (size_numUsed)', function () {
+    it('should create auxilary placement identifier (size_numUsed), that is constant for a given adUnit', function () {
       const extAssets1 = payload.imp && payload.imp[0].ext.data;
       const extAssets2 = payloadSingle.imp && payloadSingle.imp[0].ext.data;
 
-      // note that payload comes from first, and payloadSingle from second auction in the test run
+      /*
+        note that payload comes from first, and payloadSingle from second auction in the test run
+        also, since both have same adUnitName, value of pbsize property should be the same
+      */
       expect(extAssets1).to.have.property('pbsize').that.equals('750x200_1')
-      expect(extAssets2).to.have.property('pbsize').that.equals('750x200_2')
+      expect(extAssets2).to.have.property('pbsize').that.equals('750x200_1')
     });
   });