DCR Static Browser SDK (6.0.0): Difference between revisions

Latest revision as of 20:23, 3 September 2024

Engineering Portal / Digital / US DCR & DTVR / DCR Static Browser SDK (6.0.0)

Prerequisites

To start using the App SDK, the following items are required:

	Item	Description	Source
☑	App ID (appid)	Unique ID assigned to the player/site and configured by product.	Contact Nielsen

Release Notes

The release notes on the Browser SDK can be located here: Release Notes

Implementation Steps

Add Tracking Code

The Nielsen DCR Tracking Code must be added to each page.

<script>
    // Static Queue Snippet
    !function (e, n) {
      function t(e) {
        return "object" == typeof e ? JSON.parse(JSON.stringify(e)) : e
      }
      e[n] = e[n] ||
      {
        nlsQ: function (o, r, c) {
          var s = e.document,
            a = s.createElement("script");
          a.async = 1,
            a.src = ("http:" === e.location.protocol ? "http:" : "https:") + "//cdn-gl.imrworldwide.com/conf/" + o + ".js#name=" + r + "&ns=" + n;
          var i = s.getElementsByTagName("script")[0];
          return i.parentNode.insertBefore(a, i),
            e[n][r] = e[n][r] || {
              g: c || {},
              ggPM: function (o, c, s, a, i) { e[n][r].q = e[n][r].q || []; try { var l = t([o, c, s, a, i]); e[n][r].q.push(l) } catch (e) { console && console.log && console.log("Error: Cannot register event in Nielsen SDK queue.") } },
              trackEvent: function (o) { e[n][r].te = e[n][r].te || []; try { var c = t(o); e[n][r].te.push(c) } catch (e) { console && console.log && console.log("Error: Cannot register event in Nielsen SDK queue.") } }
            },
            e[n][r]
        }
      }
    }(window, "NOLBUNDLE");

  // SDK Initialization
var nSdkInstance = NOLBUNDLE.nlsQ("PXXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXX", "nlsnInstance", {
    nol_sdkDebug: "debug"
});
  
  // Content Metadata 
  var nielsenMetadata = {
    type: 'static', 
    assetid: 'HHF887465-9486', // *DYNAMIC METADATA*: unique ID for each article **REQUIRED**
    section: 'SPORTS', // *DYNAMIC METADATA*: section of site **REQUIRED**
    segA: 'HDVIDEOS', // *DYNAMIC METADATA*: custom segment
    segB: '', // *DYNAMIC METADATA*: custom segment
    segC: ''  // *DYNAMIC METADATA*: custom segment
    }; 
    
  // Event 'staticstart' Call
  nSdkInstance.ggPM("staticstart", nielsenMetadata);
</script>

For DCR static, BSDK cannot be run in an iframe because the blur/focus events of the parent page may not propagate to the iframe. The iframe events typically trigger when the iframe itself is clicked. The BSDK is dependent on the blur/focus events of the browser to detect active viewing of the page. Because the root page events do not propagate to the iframe, this would impact incorrect DCR static crediting.

Tracking Code Components

The tracking code includes

Static Queue Snippet
SDK Initialization
Content Metadata
staticstart Event

Static Queue Snippet

The static queue snippet allows the SDK APIs to be called while the actual SDK and configuration file are still being downloaded. As the queue can capture all API calls before the download completes, there is no wait time. Once the SDK is available, the API calls will transition from directing to the queue to the SDK seamlessly.

<script>
    // Static Queue Snippet
    !function (e, n) {
      function t(e) {
        return "object" == typeof e ? JSON.parse(JSON.stringify(e)) : e
      }
      e[n] = e[n] ||
      {
        nlsQ: function (o, r, c) {
          var s = e.document,
            a = s.createElement("script");
          a.async = 1,
            a.src = ("http:" === e.location.protocol ? "http:" : "https:") + "//cdn-gl.imrworldwide.com/conf/" + o + ".js#name=" + r + "&ns=" + n;
          var i = s.getElementsByTagName("script")[0];
          return i.parentNode.insertBefore(a, i),
            e[n][r] = e[n][r] || {
              g: c || {},
              ggPM: function (o, c, s, a, i) { e[n][r].q = e[n][r].q || []; try { var l = t([o, c, s, a, i]); e[n][r].q.push(l) } catch (e) { console && console.log && console.log("Error: Cannot register event in Nielsen SDK queue.") } },
              trackEvent: function (o) { e[n][r].te = e[n][r].te || []; try { var c = t(o); e[n][r].te.push(c) } catch (e) { console && console.log && console.log("Error: Cannot register event in Nielsen SDK queue.") } }
            },
            e[n][r]
        }
      }
    }(window, "NOLBUNDLE");
  </script>

SDK Initialization

While creating an SDK instance, initialize the SDK by calling:

Initialization API Call

NOLBUNDLE.nlsQ("PXXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXX", "",{nol_sdkDebug: "debug"})

When the initialization call is made, a unique static config file, <apid>.js, will be downloaded based on the apid and cached by the client-side browser(s).

Once the static config file is downloaded, the SDK will be fully downloaded and initialized. All SDK modules are included in one file: "nlsSDK600.bundle.min.js".

Content Metadata

Metadata can be passed through key-values using the Nielsen reserved keys. The tracking code includes the Nielsen reserved keys and placeholder values.

Pass dynamic metadata for the keys with the <metadataPlaceholder> value (e.g. section: ).

staticstart Event

There is only one event call required:

nSdkInstance.ggPM("staticstart", nielsenMetadata);

The content metadata object is passed as a parameter when calling 'staticstart' event . To know more about configuring metadata refer Configure Metadata.

Pass App ID in Initialization Call

Pass the unique App ID in the first parameter of the initialization call, <apid>.

Example SDK Initialization

var nSdkInstance = NOLBUNDLE.nlsQ("PXXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXX", "nlsnInstance", {nol_sdkDebug: "debug"});

The initialization call has three parameters:

Parameter	Description	Values
apid	Unique ID assigned to player/site.	`PXXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXX`
instanceName	Name of SDK instance	Any string value
nol_sdkDebug: "debug"	Enables Nielsen console logging. Only required for testing	`{nol_sdkDebug: "debug"}`

Update <apid> with the AppID provided. Refer to the Going Live section to know about updating the AppID to production after testing is completed.

Configure Metadata

Map the Nielsen keys to variables so that the content metadata is dynamically updated.

The Nielsen reserved keys are:

Key	Description	Data Type	Value	Required?
type	asset type	fixed	`'static'`	Yes
assetid	Unique ID for each article	dynamic	custom (no Special Characters)	Yes
section	section of each site (e.g. section value should be first level in page URL: website.com/section). Limit to 25 unique values	dynamic	custom (no Special Characters)	Yes
segA	custom segment for reporting: Limit to 25 unique values across custom segments (segA + segB + segC)	dynamic	custom	No
segB	custom segment for reporting: Limit to 25 unique values across custom segments (segA + segB + segC)	dynamic	custom	No
segC	custom segment for reporting: Limit to 25 unique values across custom segments (segA + segB + segC)	dynamic	custom	No

The values passed through the Nielsen keys will determine the breakouts that are seen in reporting. The custom segments (A, B & C) will roll into the sub-brand. To not use custom segments A, B and C, do not pass any value in these keys.

Aggregation Limits There are limits on the number of unique values that can be aggregated on in reporting. The specific limitations by key are:

Key	Aggregation Limit
section	maximum of 25 unique values (section <= 25)
segA	Maximum number of unique values allowed across segA, segB, and segC is 25 (segA + segB + segC<= 25)
segB	Maximum number of unique values allowed across segA, segB, and segC is 25 (segA + segB + segC<= 25)
segC	Maximum number of unique values allowed across segA, segB, and segC is 25 (segA + segB + segC<= 25)

Privacy and Opt-Out

There are two primary methods for implementing user Opt-out preferences:

User Opt Out - Provide a link to the Nielsen Privacy Policy page when a User can make their selection
Initialization Opt Out - Global OptOut Parameter

User Opt Out

The site must provide a means for the user to opt-out of, or opt back into, Nielsen Measurement. A user can opt-out if they would prefer not to participate in any Nielsen online measurement research. To implement the User Opt-Out option, include the following two items in your privacy policy.

A notice that the player (or page in relation to static measurement) includes proprietary measurement software that allows users to contribute to market research (such as Nielsen TV Ratings).
A link to the Nielsen Digital Measurement Privacy Policy at https://www.nielsen.com/digitalprivacy

On the Nielsen Digital Measurement Privacy Policy page, users can click Choices to read more detailed information about the measurement software, learn about their options with regard to Nielsen measurement, and, if they do not want to participate in Nielsen online measurement, click a link to receive an opt-out cookie.

Once users have opted out via this link, their browser cookies will contain the value TOTAL_OPTOUT. This will prevent a redirect to our data provider from occurring
Users can opt back in via this link. When a user selects that link, their opt-out cookie will be deleted and they will be able to be measured moving forward.

The following paragraph is a template for a Privacy Statement.

The properties may feature Nielsen proprietary measurement software, which will allow users to contribute to market research, such as Nielsen TV Ratings. To learn more about the information that Nielsen software may collect and your choices with regard to it, please see the Nielsen Digital Measurement Privacy Policy at https://www.nielsen.com/digitalprivacy

User Opt Back In

Once users have opted-out, they can choose to opt back into Nielsen Measurement at anytime by selecting the opt back in link on the Nielsen Digital Privacy Policy page. When a user selects the link, their opt-out cookie will be deleted and they will be able to be measured.

Initialization Opt Out

The BSDK600 now supports the ability to optout on initialization of the SDK by allowing an optout global parameter to be passed. This optout will be maintained through the session of the SDK instance. Specifications and limitations are specified below.

Type	Supported Values	Notes	Optout
optout	True, Yes, or 1	Case is insensitive and can be string or bool Example: nlsQ("XXXXXXXX-BH45-JKY6-BKH7-67GJKY68GJK7", "myInstance", { optout: true});	Ping parameter will set uoo=true.
optout	False, No, or 0	Case is insensitive and can be string or bool Example: nlsQ("XXXXXXXX-BH45-JKY6-BKH7-67GJKY68GJK7", "myInstance", { optout: false});	Ping parameter will set uoo to blank.

Example of using OptOut

var nSdkInstance = NOLBUNDLE.nlsQ("XXXXXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXX", "nlsnInstance", {
  nol_sdkDebug: "debug",
  optout: "true"
});

Opt Out Overview

Browser Cookie	uoo value in session ping	Final Optout Status
Default Value	no uoo value or uoo=0	Not Opted Out
Default Value	uoo=1	Opted Out
TOTAL_OPTOUT	uoo=0	Opted Out
TOTAL_OPTOUT	uoo=1	Opted Out

Infinite Scrolling

onPaginate will refire the view ping with the existing/original metadata.

nSdkInstance.ggPM("onPaginate", scrolloffset);

Parameter	Description
event	`onPaginate`
scrolloffset	The `scrolloffset` value should be the y-scroll position:

onPaginate

onPageinate is a slightly modified version of staticstart to enable tracking of user’s focus in pages with continuous scrolling. onPaginate event provides the same behavior as staticstart keeping it local to only clients who wish to implement continuous scrolling. (Note: This event onPaginate will not reset the page duration timer.)

The maximum number of static View pings allowed per session is ‘1’. This is enforced via the nol_maxPingCount parameter in the tag and the cadence of impression.
When an onPaginate event is called at the end of section / a focus shift (within the same page), this filter will reset the current ping count to ‘0’ for the static View ping. This change of value will cause a new View ping when the Browser SDK receives the next staticPosition event (at the section end). This sequence continues through the end of scrolling or till the close of static page session.
One of the following must occur before an onPaginate event should be sent : user-initiated action, more than 50% of the content has changed or an ad, or the potential for an ad, is being loaded

Going Live

Once the DCR Tracking Code is added, Nielsen will validate the implementation. Following Nielsen testing, users need to make a couple of updates to the initialization call to ensure that the site is being measured properly.

App ID: Ensure that correct <apid> is used during initialization
```
'PXXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX'
```
Debug Logging: Disable logging by deleting {nol_sdkDebug: 'DEBUG'} from initialization call.
- Example Production Initialization Call - Refer to the production initialization call below:
```
var nSdkInstance = NOLBUNDLE.nlsQ("PXXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX", "nlsnInstance");
```