diff --git a/modules/conversantBidAdapter.js b/modules/conversantBidAdapter.js
index 00ca6a7bbd6..a3479a9d1d1 100644
--- a/modules/conversantBidAdapter.js
+++ b/modules/conversantBidAdapter.js
@@ -3,7 +3,7 @@ import {registerBidder} from '../src/adapters/bidderFactory';
 import { BANNER, VIDEO } from '../src/mediaTypes';
 
 const BIDDER_CODE = 'conversant';
-const URL = '//web.hb.ad.cpe.dotomi.com/s2s/header/24';
+const URL = 'https://web.hb.ad.cpe.dotomi.com/s2s/header/24';
 
 export const spec = {
   code: BIDDER_CODE,
@@ -44,26 +44,24 @@ export const spec = {
    * Make a server request from the list of BidRequests.
    *
    * @param {BidRequest[]} validBidRequests - an array of bids
+   * @param bidderRequest
    * @return {ServerRequest} Info describing the request to the server.
    */
   buildRequests: function(validBidRequests, bidderRequest) {
-    const loc = utils.getTopWindowLocation();
-    const page = loc.href;
-    const isPageSecure = (loc.protocol === 'https:') ? 1 : 0;
+    const page = (bidderRequest && bidderRequest.refererInfo) ? bidderRequest.refererInfo.referer : '';
     let siteId = '';
     let requestId = '';
     let pubcid = null;
 
     const conversantImps = validBidRequests.map(function(bid) {
       const bidfloor = utils.getBidIdParameter('bidfloor', bid.params);
-      const secure = isPageSecure || (utils.getBidIdParameter('secure', bid.params) ? 1 : 0);
 
       siteId = utils.getBidIdParameter('site_id', bid.params);
       requestId = bid.auctionId;
 
       const imp = {
         id: bid.bidId,
-        secure: secure,
+        secure: 1,
         bidfloor: bidfloor || 0,
         displaymanager: 'Prebid.js',
         displaymanagerver: '$prebid.version$'
@@ -154,6 +152,7 @@ export const spec = {
    * Unpack the response from the server into a list of bids.
    *
    * @param {*} serverResponse A successful response from the server.
+   * @param bidRequest
    * @return {Bid[]} An array of bids which were nested inside the server.
    */
   interpretResponse: function(serverResponse, bidRequest) {
@@ -249,7 +248,7 @@ function getDevice() {
  *
  * [[300, 250], [300, 600]] => [{w: 300, h: 250}, {w: 300, h: 600}]
  *
- * @param {number[2][]|number[2]} bidSizes - arrays of widths and heights
+ * @param {Array.<Array.<number>>} bidSizes - arrays of widths and heights
  * @returns {object[]} Array of objects with w and h
  */
 function convertSizes(bidSizes) {
diff --git a/modules/conversantBidAdapter.md b/modules/conversantBidAdapter.md
index 3ce83d8c893..5aba5653043 100644
--- a/modules/conversantBidAdapter.md
+++ b/modules/conversantBidAdapter.md
@@ -13,7 +13,11 @@ Module that connects to Conversant's demand sources.  Supports banners and video
 var adUnits = [
     {
         code: 'banner-test-div',
-        sizes: [[300, 250]],
+        mediaTypes: {
+            banner: {        
+                sizes: [[300, 250],[300,600]]
+            }
+        },
         bids: [{
             bidder: "conversant",
             params: {
diff --git a/test/spec/modules/conversantBidAdapter_spec.js b/test/spec/modules/conversantBidAdapter_spec.js
index aeadc3bf828..6c9f0c8e6e5 100644
--- a/test/spec/modules/conversantBidAdapter_spec.js
+++ b/test/spec/modules/conversantBidAdapter_spec.js
@@ -2,8 +2,6 @@ import {expect} from 'chai';
 import {spec} from 'modules/conversantBidAdapter';
 import * as utils from 'src/utils';
 
-var Adapter = require('modules/conversantBidAdapter');
-
 describe('Conversant adapter tests', function() {
   const siteId = '108060';
   const versionPattern = /^\d+\.\d+\.\d+(.)*$/;
@@ -16,7 +14,6 @@ describe('Conversant adapter tests', function() {
         site_id: siteId,
         position: 1,
         tag_id: 'tagid-1',
-        secure: false,
         bidfloor: 0.5
       },
       placementCode: 'pcode000',
@@ -30,8 +27,7 @@ describe('Conversant adapter tests', function() {
     {
       bidder: 'conversant',
       params: {
-        site_id: siteId,
-        secure: false
+        site_id: siteId
       },
       mediaTypes: {
         banner: {
@@ -50,8 +46,7 @@ describe('Conversant adapter tests', function() {
       params: {
         site_id: siteId,
         position: 2,
-        tag_id: '',
-        secure: false
+        tag_id: ''
       },
       placementCode: 'pcode002',
       transactionId: 'tx002',
@@ -198,9 +193,15 @@ describe('Conversant adapter tests', function() {
   });
 
   it('Verify buildRequest', function() {
-    const request = spec.buildRequests(bidRequests);
+    const page = 'http://test.com?a=b&c=123';
+    const bidderRequest = {
+      refererInfo: {
+        referer: page
+      }
+    };
+    const request = spec.buildRequests(bidRequests, bidderRequest);
     expect(request.method).to.equal('POST');
-    expect(request.url).to.equal('//web.hb.ad.cpe.dotomi.com/s2s/header/24');
+    expect(request.url).to.equal('https://web.hb.ad.cpe.dotomi.com/s2s/header/24');
     const payload = request.data;
 
     expect(payload).to.have.property('id', 'req000');
@@ -209,7 +210,7 @@ describe('Conversant adapter tests', function() {
     expect(payload.imp).to.be.an('array').with.lengthOf(6);
 
     expect(payload.imp[0]).to.have.property('id', 'bid000');
-    expect(payload.imp[0]).to.have.property('secure', 0);
+    expect(payload.imp[0]).to.have.property('secure', 1);
     expect(payload.imp[0]).to.have.property('bidfloor', 0.5);
     expect(payload.imp[0]).to.have.property('displaymanager', 'Prebid.js');
     expect(payload.imp[0]).to.have.property('displaymanagerver').that.matches(versionPattern);
@@ -221,7 +222,7 @@ describe('Conversant adapter tests', function() {
     expect(payload.imp[0]).to.not.have.property('video');
 
     expect(payload.imp[1]).to.have.property('id', 'bid001');
-    expect(payload.imp[1]).to.have.property('secure', 0);
+    expect(payload.imp[1]).to.have.property('secure', 1);
     expect(payload.imp[1]).to.have.property('bidfloor', 0);
     expect(payload.imp[1]).to.have.property('displaymanager', 'Prebid.js');
     expect(payload.imp[1]).to.have.property('displaymanagerver').that.matches(versionPattern);
@@ -232,7 +233,7 @@ describe('Conversant adapter tests', function() {
     expect(payload.imp[1].banner.format).to.deep.equal([{w: 728, h: 90}, {w: 468, h: 60}]);
 
     expect(payload.imp[2]).to.have.property('id', 'bid002');
-    expect(payload.imp[2]).to.have.property('secure', 0);
+    expect(payload.imp[2]).to.have.property('secure', 1);
     expect(payload.imp[2]).to.have.property('bidfloor', 0);
     expect(payload.imp[2]).to.have.property('displaymanager', 'Prebid.js');
     expect(payload.imp[2]).to.have.property('displaymanagerver').that.matches(versionPattern);
@@ -242,7 +243,7 @@ describe('Conversant adapter tests', function() {
     expect(payload.imp[2].banner.format).to.deep.equal([{w: 300, h: 600}, {w: 160, h: 600}]);
 
     expect(payload.imp[3]).to.have.property('id', 'bid003');
-    expect(payload.imp[3]).to.have.property('secure', 0);
+    expect(payload.imp[3]).to.have.property('secure', 1);
     expect(payload.imp[3]).to.have.property('bidfloor', 0);
     expect(payload.imp[3]).to.have.property('displaymanager', 'Prebid.js');
     expect(payload.imp[3]).to.have.property('displaymanagerver').that.matches(versionPattern);
@@ -261,7 +262,7 @@ describe('Conversant adapter tests', function() {
     expect(payload.imp[3]).to.not.have.property('banner');
 
     expect(payload.imp[4]).to.have.property('id', 'bid004');
-    expect(payload.imp[4]).to.have.property('secure', 0);
+    expect(payload.imp[4]).to.have.property('secure', 1);
     expect(payload.imp[4]).to.have.property('bidfloor', 0);
     expect(payload.imp[4]).to.have.property('displaymanager', 'Prebid.js');
     expect(payload.imp[4]).to.have.property('displaymanagerver').that.matches(versionPattern);
@@ -280,7 +281,7 @@ describe('Conversant adapter tests', function() {
     expect(payload.imp[4]).to.not.have.property('banner');
 
     expect(payload.imp[5]).to.have.property('id', 'bid005');
-    expect(payload.imp[5]).to.have.property('secure', 0);
+    expect(payload.imp[5]).to.have.property('secure', 1);
     expect(payload.imp[5]).to.have.property('bidfloor', 0);
     expect(payload.imp[5]).to.have.property('displaymanager', 'Prebid.js');
     expect(payload.imp[5]).to.have.property('displaymanagerver').that.matches(versionPattern);
@@ -299,8 +300,7 @@ describe('Conversant adapter tests', function() {
     expect(payload).to.have.property('site');
     expect(payload.site).to.have.property('id', siteId);
     expect(payload.site).to.have.property('mobile').that.is.oneOf([0, 1]);
-    const loc = utils.getTopWindowLocation();
-    const page = loc.href;
+
     expect(payload.site).to.have.property('page', page);
 
     expect(payload).to.have.property('device');
@@ -365,7 +365,7 @@ describe('Conversant adapter tests', function() {
 
   it('Verify publisher commond id support', function() {
     // clone bidRequests
-    let requests = utils.deepClone(bidRequests)
+    let requests = utils.deepClone(bidRequests);
 
     // add pubcid to every entry
     requests.forEach((unit) => {
@@ -378,7 +378,7 @@ describe('Conversant adapter tests', function() {
 
   it('Verify User ID publisher commond id support', function() {
     // clone bidRequests
-    let requests = utils.deepClone(bidRequests)
+    let requests = utils.deepClone(bidRequests);
 
     // add pubcid to every entry
     requests.forEach((unit) => {
@@ -415,4 +415,4 @@ describe('Conversant adapter tests', function() {
     expect(payload).to.have.deep.nested.property('user.ext.consent', '');
     expect(payload).to.not.have.deep.nested.property('regs.ext.gdpr');
   });
-})
+});