AnalyticsWeb

Web Analytics Implementation Playground

Introduction

Google Analytics 4 (GA4) and Adobe Analytics (AA) are the most used tools for a comprehensive and flexible approach to website and apps analytics. Amplitude Analytics and Mixpanel Product Analytics are two other tools that lets you answer questions, make better decisions and drive outcomes with product analytics. For any of the aforementioned tools, to do an implementation on our website, will need to follow these steps:

Create an account or property in the corresponding tool account.
Install the tool tracking code or instrumentation on our website.
Verify the tool installation.
Configure tool reports, analysis workspace, and dashboard settings.
Start tracking our website traffic.

This is a playground of analytic implementation for a website using GTM and a GA4 web data stream, Tealium iQ and Adobe Analytics, Amplitude Analytics, and Mixpanel Product Analytics. The implementation allows to explore:

a dataLayer array-objects managed through GTM and analyzing the data in a GA4 web data stream,
a utag_data variable object and utag.link() data objects managed through Tealium iQ tag management and analyzing the data in Adobe Analytics.
Amplitude data objects to analyze the data in Amplitude Analytics.
Mixpanel data object to analyze data in Mixpanel Product Analytics.
an initial setup of Adobe Launch rules to see response in the browser console (experimental implementation).

Before we start with the playground set up and back end, we should already have a GTM container linked to a Google Analytics 4 web data stream, a Tealium iQ account setup with AA tag, an Adobe Analytics account, an Amplitude Analytics account, and a Mixpanel Product Analytics account. Having them created and configured will facilitate the use of playground as a data source for the tools.

Tagging Strategy and Implementation

The implementation fires an initial dataLayer object (GTM), utag_data object variable (TiQ) and an enrichEventsPlugin function (Amplitude), and a page view track for Mixapanel on each website page.

The dataLayer array-object should be located inside the <head>...</head> tag of the web page before the GTM snippet.

<!-- dataLayers message -->
<script type="text/javascript">
  const userInit = localStorage.UUID ?? "guest";
  window.dataLayer = window.dataLayer || [];
  window.dataLayer.push({
    author_email: "asantiago@arsari.com",
    content_group: "Implementation",
    content_type: "Playground",
    e_timestamp: String(new Date().getTime()), // milliseconds
    language_code: "en-US",
    page_author: "Arturo Santiago-Rivera",
    page_category: "home",
    page_name: "Web Analytics Implementation - Home Page",
    page_title: document.querySelector("title").innerText,
    // user properties
    logged_in: false,
    user_id: userInit,
  });
</script>
<!-- END: dataLayers message -->

The utag_data variable should be located inside the <body>...</body> tag of the web page before the Tealium IQ snippet.

<!-- utag data object message -->
<script type="text/javascript">
  const utag_data = {
    author_email: "asantiago@arsari.com",
    content_group: "Implementation",
    content_type: "Playground",
    e_timestamp: String(new Date().getTime()), // milliseconds
    language_code: "en-US",
    page_author: "Arturo Santiago-Rivera",
    page_category: "home",
    page_name: "Web Analytics Implementation - Home Page",
    page_title: document.querySelector("title").innerText,
    // user properties
    custom_user_id: userInit,
    logged_in: false,
    user_id: userInit,
  };
</script>
<!-- END: utag data object message -->

The Amplitude data object should be located inside the <head>...</head> tag of the web page after the Amplitude snippet but before to their statement of initialization. The initial Amplitude data object, that include events properties applicable to all the events, is coded in an enrich plugin variable.

<!-- amplitude global properties and initialization -->
<script type="text/javascript">
  const enrichEventsPlugin = () => ({
      name: "enrichEventsPlugin",
      execute: async (event) => {
        event.event_properties = {
          ...event.event_properties,
          author_email: 'asantiago@arsari.com',
          content_group: 'Implementation',
          content_type: 'Playground',
          env_viewed: tealiumEnv,
          language_code: 'en-US',
          page_author: 'Arturo Santiago-Rivera',
          page_category: 'home',
          page_name: 'Web Analytics Implementation - Home Page',
        };
        return event;
      },
  });
  amplitude.add(enrichEventsPlugin()); // amplitude enrich plugin call
  amplitude.init(<<AMPLITUDE_API_KEY>>, userInit); // amplitude init statement
</script>
<!-- END: amplitude global properties and initialization -->

The Mixpanel data object should be located inside the <head>...</head> tag of the web page after the Mixpanel statement of initialization and after the user identify method. The initial Mixpanel data object, that include events properties applicable to all the events, is coded in an mixpanel.register() method. User identification and suer properties are coded in mixpanel.identify() method and mixpanel.people.set() method.

<!-- mixpanel initialization and global properties -->
<script type="text/javascript">
  mixpanel.init(<<MIXPANEL_API_KEY>>); // mixpanel init statement
  mixpanel.identify(userInit); // mixpanel user identify
  mixpanel.people.set({ logged_in: false }); // mixpanel user properties
  mixpanel.register({
    author_email: "asantiago@arsari.com",
    content_group: "Implementation",
    content_type: "Playground",
    env_viewed: tealiumEnv,
    language_code: "en-US",
    page_author: "Arturo Santiago-Rivera",
    page_category: "home",
    page_name: "Web Analytics Implementation - Home Page",
    page_title: document.querySelector("title").innerText,
  });
  mixpanel.track_pageview({
    e_timestamp: String(new Date().getTime()), // milliseconds
  });
</script>
<!-- END: mixpanel initialization and global properties -->

The tagging implementation for events consider the followings user actions (ui interactions), system events (content tools), and errors based on an element click attribute [name="action"] and a addEventListener() method to fire the corresponding events:

User Action	Event Name	Type	Parameters/Event Properties	GA4 Scope	GA4 Custom Definitions
Sign In	login	user interaction	method	Event	Predefined
Outbound Link	outbound_link	user interaction	link_domain link_classes link_id link_url link_text outbound	Event Event Event Event Event Event	Predefined Predefined Predefined Predefined Predefined Predefined
Internal Link	internal_link	user interaction	link_domain link_classes link_id link_url link_text	Event Event Event Event Event	Predefined Predefined Predefined Predefined Predefined
Download	file_download	user interaction	file_name file_extension link_domain link_classes link_id link_text	Event Event Event Event Event Event	Predefined Predefined Predefined Predefined Predefined Predefined
Video	video_start	user interaction	video_duration video_current_time video_percent video_status video_provider video_title video_url	Event Event Event Event Event Event Event	Metric (sec) Metric (sec) Dimension Dimension Predefined Predefined Predefined
Video Playing	video_progress	content tool	video_duration video_current_time video_percent video_status video_provider video_title video_url	Event Event Event Event Event Event Event	Metric (sec) Metric (sec) Dimension Dimension Predefined Predefined Predefined
Video Playing	video_complete	content tool	video_duration video_current_time video_percent video_status video_provider video_title video_url	Event Event Event Event Event Event Event	Metric (sec) Metric (sec) Dimension Dimension Predefined Predefined Predefined
Video playing	video_stop	user interaction	video_duration video_current_time video_percent video_status video_provider video_title video_url	Event Event Event Event Event Event Event	Metric (sec) Metric (sec) Dimension Dimension Predefined Predefined Predefined
Email	generate_lead	user interaction	contact_method currency value	Event Event Event	Dimension Predefined Predefined
Phone	generate_lead	user interaction	contact_method currency value	Event Event Event	Dimension Predefined Predefined
Form	form_start	user interaction	form_destination form_id form_name	Event Event Event	Dimension Dimension Dimension
* Submit Button	form_submit	user interaction	contact_method form_destination form_id form_name form_submit_text value user_profession	Event Event Event Event Event Event Event	Dimension Dimension Dimension Dimension Dimension Predefined Dimension
* Close	form_modal_closed	user interaction	form_id form_name	Event Event	Dimension Dimension
Form	form_error	content tool	error_message alert_impression	Event Event	Dimension Dimension
Ecommerce Funnel	ecommerce_modal_opened	user interaction
Ecommerce Funnel	view_item_list	content tool	ecommerce.item_list_id ecommerce.item_list_name ecommerce.items	Event Event Event	Predefined Predefined Predefined
Ecommerce Funnel	select_item	user interaction	ecommerce.item_list_id ecommerce.item_list_name ecommerce.items	Event Event Event	Predefined Predefined Predefined
Ecommerce Funnel	add_to_cart	user interaction	ecommerce.currency ecommerce.value ecommerce.items	Event Event Event	Predifined Predifined Predifined
Ecommerce Funnel	view_cart	content tool	ecommerce.currency ecommerce.value ecommerce.items	Event Event Event	Predifined Predifined Predifined
Ecommerce Funnel	remove_from_cart	user interaction	alert_message alert_impression ecommerce.currency ecommerce.value ecommerce.items	Event Event Event Event Event	Dimension Dimension Predifined Predifined Predifined
Ecommerce Funnel	begin_checkout	user interaction	ecommerce.currency ecommerce.value ecommerce.coupon ecommerce.items	Event Event Event Event	Predifined Predifined Predifined Predifined
Ecommerce Funnel	add_shipping_info	user interaction	ecommerce.currency ecommerce.value ecommerce.coupon ecommerce.shipping_tier ecommerce.items	Event Event Event Event Event	Predifined Predifined Predifined Predifined Predifined
Ecommerce Funnel	add_payment_info	user interaction	ecommerce.currency ecommerce.value ecommerce.coupon ecommerce.payment_type ecommerce.items	Event Event Event Event Event	Predifined Predifined Predifined Predifined Predifined
Ecommerce Funnel	purchase	user interaction	ecommerce.transaction_id ecommerce.currency ecommerce.value ecommerce.tax ecommerce.shipping ecommerce.coupon ecommerce.shipping_tier ecommerce.items	Event Event Event Event Event Event Event Event	Predifined Predifined Predifined Predifined Predifined Predifined Predifined Predifined
Ecommerce Funnel	refund	user interaction	ecommerce.transaction_id ecommerce.currency ecommerce.value ecommerce.tax ecommerce.shipping ecommerce.coupon ecommerce.items	Event Event Event Event Event Event Event	Predifined Predifined Predifined Predifined Predifined Predifined Predifined
Ecommerce Funnel	<ecommerce events>_error	content tool	error_message alert_impression step	Event Event Event	Dimension Dimension Dimension
* Cancel	ecommerce_modal_closed	user interaction
Search	search_modal_opened	user interaction
* Magnified Glass	search	user interaction	search_term	Event	Predefined
* Close	search_modal_closed	user interaction
Search	search_error	content tool	error_message alert_impression	Event Event	Dimension Dimension
Sign Out	logout	user interaction		Event	Dimension

The following global parameters/event properties apply to most of the above events:

Global Parameters/Event Properties	GA4 Scope	GA4 Custom Definitions
event_id (gtm config parameter)	Event	Dimension
event_type	Event	Dimension
button_text	Event	Dimension
tag_name	Event	Dimension
env_viewed (amplitude & mixpanel)	n/a	n/a
step (ecommerce events only)	Event	Dimension
section_heading (ecommerce events only)	Event	Dimension
e_timestamp (milliseconds)	Event	Dimension
custom_timestamp (ISO 8601)	Event	Dimension
custom_user_id (user Property)	User	Dimension
logged_in (user property)	User	Dimension
user_id (user property)	User	Predefined

On Amplitude Analytics, the event name is modified in the events list of the Amplitude dashboard as noun+verb capitalizing each word. The event properties naming is sneak_case.

The events dataLayer array-object is based on Google Analytics 4 events recommendations and Google Tag Manager dataLayer. The utag.link data object is based on the Tealium utag.link and Adobe Analytics objects. The Amplitude Analytics data object is based on the Amplitude source Browser SDK 2.0.

We classified the implementation of the dataLayer[] array-object, utag.link() data object, and amplitude.track() and mixpanel.track() data object into the following event groups:

General Events
Ecommerce Funnel Events
Video Events
Error Events

General Events

The implemented general events dataLayer array-object, utag.link data object, and amplitude.track data object is composed of:

`dataLayer.push()`

window.dataLayer = window.dataLayer || [];
window.dataLayer.push({
  event: en || e.id,
  // event parameters
  button_text:
    e.tagName === "BUTTON" && e.innerText !== "" ? e.innerText : undefined,
  contact_method: cm,
  currency: cc,
  event_type: /generate_lead|form_submit/.test(en)
    ? "conversion"
    : "ui interaction",
  file_extension: e.id === "download" ? "pdf" : undefined,
  file_name: e.id === "download" ? "PDF_to_Download" : undefined,
  form_destination: fd,
  form_id: e.id.includes("form") ? e.id : undefined,
  form_name: e.id.includes("form") ? "User Profession Survey" : undefined,
  form_submit_text: e.id === "form" ? e.innerText : undefined,
  link_domain: ld,
  link_classes: lc,
  link_id: /extlink|intlink|download|banner/.test(e.id) ? e.id : undefined,
  link_url: lu,
  link_text: /extlink|intlink|download|banner/.test(e.id)
    ? e.innerText
    : undefined,
  method: e.id === "login" ? "Google" : undefined,
  outbound: ol,
  search_term: st,
  tag_name: e.tagName,
  value: ev,
  video_duration:
    e.id.includes("video") && (vplay === true || vstop === true)
      ? vd
      : undefined,
  video_current_time:
    e.id.includes("video") && (vplay === true || vstop === true)
      ? vct
      : undefined,
  video_percent:
    e.id.includes("video") && (vplay === true || vstop === true)
      ? vpct
      : undefined,
  video_status:
    e.id.includes("video") && (vplay === true || vstop === true)
      ? vs
      : undefined,
  video_provider:
    e.id.includes("video") && (vplay === true || vstop === true)
      ? vp
      : undefined,
  video_title:
    e.id.includes("video") && (vplay === true || vstop === true)
      ? vt
      : undefined,
  video_url:
    e.id.includes("video") && (vplay === true || vstop === true)
      ? vu
      : undefined,
  e_timestamp: tstamp, // milliseconds
  custom_timestamp: cstamp, // ISO 8601
  // user properties
  logged_in: logged,
  user_id: ui,
  user_profession: up,
});

`utag.link()`

utag.link({
  tealium_event: en || e.id,
  // event parameters
  button_text:
    e.tagName === "BUTTON" && e.innerText !== "" ? e.innerText : undefined,
  contact_method: cm,
  currency: cc,
  event_type: /generate_lead|form_submit/.test(en)
    ? "conversion"
    : "ui interaction",
  file_extension: e.id === "download" ? "pdf" : undefined,
  file_name: e.id === "download" ? "PDF_to_Download" : undefined,
  form_destination: fd,
  form_id: e.id.includes("form") ? e.id : undefined,
  form_name: e.id.includes("form") ? "User Profession Survey" : undefined,
  form_submit_text: e.id === "form" ? e.innerText : undefined,
  link_domain: ld,
  link_classes: lc,
  link_id: /extlink|intlink|download|banner/.test(e.id) ? e.id : undefined,
  link_url: lu,
  link_text: /extlink|intlink|download|banner/.test(e.id)
    ? e.innerText
    : undefined,
  method: e.id === "login" ? "Google" : undefined,
  outbound: ol,
  search_term: st,
  tag_name: e.tagName,
  value: ev,
  video_duration:
    e.id.includes("video") && (vplay === true || vstop === true)
      ? vd
      : undefined,
  video_current_time:
    e.id.includes("video") && (vplay === true || vstop === true)
      ? vct
      : undefined,
  video_percent:
    e.id.includes("video") && (vplay === true || vstop === true)
      ? vpct
      : undefined,
  video_status:
    e.id.includes("video") && (vplay === true || vstop === true)
      ? vs
      : undefined,
  video_provider:
    e.id.includes("video") && (vplay === true || vstop === true)
      ? vp
      : undefined,
  video_title:
    e.id.includes("video") && (vplay === true || vstop === true)
      ? vt
      : undefined,
  video_url:
    e.id.includes("video") && (vplay === true || vstop === true)
      ? vu
      : undefined,
  e_timestamp: tstamp, // milliseconds
  custom_timestamp: cstamp, // ISO 8601
  // user properties
  custom_user_id: ui,
  logged_in: logged,
  user_id: ui,
  user_profession: up,
});

`amplitude.track()`

amplitude.setUserId(ui);
amplitude.track({
  event_type: en || e.id,
  event_properties: {
    button_text: bt,
    contact_method: cm,
    currency: cc,
    event_type: /generate_lead|form_submit/i.test(en)
      ? "conversion"
      : "ui interaction",
    tag_name: e.tagName,
    file_extension: e.id === "download" ? "pdf" : undefined,
    file_name: e.id === "download" ? "PDF_to_Download" : undefined,
    form_destination: fd,
    form_id: e.id.includes("form") ? e.id : undefined,
    form_name: e.id.includes("form") ? "User Profession Survey" : undefined,
    form_submit_text: e.id === "form" ? fst : undefined,
    link_domain: ld,
    link_classes: lc,
    link_id: /extlink|intlink|download|banner/i.test(e.id) ? e.id : undefined,
    link_url: lu,
    link_text: /extlink|intlink|download|banner/i.test(e.id) ? bt : undefined,
    method: e.id === "login" ? "Google" : undefined,
    outbound: ol,
    search_term: st,
    value: ev,
    video_duration:
      e.id.includes("video") && (vplay === true || vstop === true)
        ? vd
        : undefined,
    video_current_time:
      e.id.includes("video") && (vplay === true || vstop === true)
        ? vct
        : undefined,
    video_percent:
      e.id.includes("video") && (vplay === true || vstop === true)
        ? vpct
        : undefined,
    video_status:
      e.id.includes("video") && (vplay === true || vstop === true)
        ? vs
        : undefined,
    video_provider:
      e.id.includes("video") && (vplay === true || vstop === true)
        ? vp
        : undefined,
    video_title:
      e.id.includes("video") && (vplay === true || vstop === true)
        ? vt
        : undefined,
    video_url:
      e.id.includes("video") && (vplay === true || vstop === true)
        ? vu
        : undefined,
    e_timestamp: tstamp, // milliseconds
    custom_timestamp: cstamp, // ISO 8601
  },
  user_properties: {
    $set: {
      custom_user_id: ui,
      logged_in: logged,
      user_profession: up,
    },
  },
});

`mixpanel.track()`

mixpanel.identify(ui);
mixpanel.people.set({
  custom_user_id: ui,
  logged_in: logged,
  user_profession: up,
});
mixpanel.track(en || e.id, {
  button_text: bt,
  contact_method: cm,
  currency: cc,
  event_type: /generate_lead|form_submit/i.test(en)
    ? "conversion"
    : "ui interaction",
  tag_name: e.tagName,
  file_extension: e.id === "download" ? "pdf" : undefined,
  file_name: e.id === "download" ? "PDF_to_Download" : undefined,
  form_destination: fd,
  form_id: e.id.includes("form") ? e.id : undefined,
  form_name: e.id.includes("form") ? "User Profession Survey" : undefined,
  form_submit_text: e.id === "form" ? fst : undefined,
  link_domain: ld,
  link_classes: lc,
  link_id: /extlink|intlink|download|banner/i.test(e.id) ? e.id : undefined,
  link_url: lu,
  link_text: /extlink|intlink|download|banner/i.test(e.id) ? bt : undefined,
  method: e.id === "login" ? "Google" : undefined,
  outbound: ol,
  search_term: st,
  value: ev,
  video_duration:
    e.id.includes("video") && (vplay === true || vstop === true)
      ? vd
      : undefined,
  video_current_time:
    e.id.includes("video") && (vplay === true || vstop === true)
      ? vct
      : undefined,
  video_percent:
    e.id.includes("video") && (vplay === true || vstop === true)
      ? vpct
      : undefined,
  video_status:
    e.id.includes("video") && (vplay === true || vstop === true)
      ? vs
      : undefined,
  video_provider:
    e.id.includes("video") && (vplay === true || vstop === true)
      ? vp
      : undefined,
  video_title:
    e.id.includes("video") && (vplay === true || vstop === true)
      ? vt
      : undefined,
  video_url:
    e.id.includes("video") && (vplay === true || vstop === true)
      ? vu
      : undefined,
  e_timestamp: tstamp, // milliseconds
  custom_timestamp: cstamp, // ISO 8601
});

Ecommerce Funnel Events

We have set up the ecommerce funnel events in way that collect information about the shopping behavior of the users. The approach for this was based on the [Google Measure Ecommerce|https://developers.google.com/analytics/devguides/collection/ga4/ecommerce?client_type=gtm] guide in the Google Analytics 4 documentation.

The items array-object

The following is an example of a collection of items, items array-object, that we are using in our implementation. The items array can include up to 200 elements.

const productList = [
  {
    item_name: "Stan and Friends Tee",
    affiliation: "Merchandise Store",
    item_brand: "MyCollection",
    item_category: "Apparel",
    item_category2: "Adult",
    item_category3: "Shirts",
    item_category4: "Crew",
    item_category5: "Short sleeve",
    item_list_id: "related_products",
    item_list_name: "Related Products",
    item_variant: "green",
    location_id: "ChIJIQBpAG2ahYAR_6128GcTUEo",
    price: 29.95,
  },
  {
    item_name: "Friends Pants",
    affiliation: "Merchandise Store",
    item_brand: "MyCollection",
    item_category: "Apparel",
    item_category2: "Adult",
    item_category3: "Pants",
    item_category4: "Crew",
    item_category5: "Regular Fit",
    item_list_id: "related_products",
    item_list_name: "Related Products",
    item_variant: "blue",
    location_id: "ChIJIQBpAG2ahYAR_6128GcTUEo",
    price: 39.95,
  },
  {
    item_name: "Canyonlands Full-Zip Hoodie",
    affiliation: "Merchandise Store",
    item_brand: "MyCollection",
    item_category: "Apparel",
    item_category2: "Adult",
    item_category3: "Jackets",
    item_category4: "Crew",
    item_category5: "Long sleeve",
    item_list_id: "related_products",
    item_list_name: "Related Products",
    item_variant: "black",
    location_id: "ChIJIQBpAG2ahYAR_6128GcTUEo",
    price: 99.0,
  },
];

When the user complete the ecommerce funnel by placing a purchase and firing the purchase event with one or more items defined with the relevant fields, the items array-object could look like this:

{
  items: [
    {
      item_id: "SKU_12345",
      item_name: "Canyonlands Full-Zip Hoodie",
      affiliation: "Merchandise Store",
      coupon: "SUMMER_FUN",
      discount: 9.9,
      index: 0,
      item_brand: "MyCollection",
      item_category: "Apparel",
      item_category2: "Adult",
      item_category3: "Jackets",
      item_category4: "Crew",
      item_category5: "Long sleeve",
      item_list_id: "related_products",
      item_list_name: "Related Products",
      item_variant: "black",
      location_id: "ChIJIQBpAG2ahYAR_6128GcTUEo",
      price: 99.0,
      quantity: 1,
    },
  ];
}

Clear the ecommerce object

It's recommended that we use the following command to clear the ecommerce object prior to pushing an ecommerce event to the data layer. Clearing the object will prevent multiple ecommerce events on a page from affecting each other. The ecommerce object clearance only applies to the GA4 data layer and Tealium data layer.

window.dataLayer = window.dataLayer || [];
window.dataLayer.push({
  ecommerce: null,
}); // Clear the previous ecommerce object
utag.link({
  ecommerce: null,
}); // Clear the previous ecommerce object

Ecommerce events

For most of the ecommerce funnel events the implemented dataLayer array-object and utag.link data object is composed of:

window.dataLayer = window.dataLayer || [];
window.dataLayer.push({
  event: en,
  // event parameters
  button_text: bt,
  event_type: et,
  tag_name: e.tagName,
  step: step.at(-1),
  ecommerce:
    en === "ecommerce_modal_closed" || en === "ecommerce_funnel_complete"
      ? undefined
      : {
          transaction_id: transactionID ?? undefined,
          value: itemsValue === 0 ? undefined : itemsValue.tofixed(2),
          tax: tax === 0 ? undefined : tax,
          shipping: shipping === 0 ? undefined : shipping,
          currency: itemsValue === 0 ? undefined : "USD",
          coupon: userCoupon ?? undefined,
          shipping_tier: userShipping ?? undefined,
          payment_type: userCCBrand ?? undefined,
          item_list_id: /productList/i.test(e.id)
            ? tempList[0].item_list_id
            : undefined,
          item_list_name: /productList/i.test(e.id)
            ? tempList[0].item_list_name
            : undefined,
          items: /productList/i.test(e.id) ? tempList : itemsSelected,
        },
  e_timestamp: tstamp, // milliseconds
  custom_timestamp: cstamp, // ISO 8601
  // user properties
  logged_in: logged,
  user_id: ui,
});

utag.link({
  tealium_event: en,
  // event parameters
  button_text: bt,
  event_type: et,
  tag_name: e.tagName,
  step: step.at(-1),
  ecommerce:
    en === "ecommerce_modal_closed" || en === "ecommerce_funnel_complete"
      ? undefined
      : {
          transaction_id: transactionID ?? undefined,
          value: itemsValue === 0 ? undefined : itemsValue.toFixed(2),
          tax: tax === 0 ? undefined : tax,
          shipping: shipping === 0 ? undefined : shipping,
          currency: itemsValue === 0 ? undefined : "USD",
          coupon: userCoupon ?? undefined,
          shipping_tier: userShipping ?? undefined,
          payment_type: userCCBrand ?? undefined,
          item_list_id: /productList/i.test(e.id)
            ? tempList[0].item_list_id
            : undefined,
          item_list_name: /productList/i.test(e.id)
            ? tempList[0].item_list_name
            : undefined,
          items: /productList/i.test(e.id) ? tempList : itemsSelected,
        },
  e_timestamp: tstamp, // milliseconds
  custom_timestamp: cstamp, // ISO 8601
  // user properties
  custom_user_id: ui,
  logged_in: logged,
  user_id: ui,
});

The Amplitude data object has similar composition in the object structure but the product item is send in a different way only when a purchase event or refund event occurs.

For the select item event the implemented dataLayer array-object and utag.link data object is composed of:

window.dataLayer = window.dataLayer || [];
window.dataLayer.push({
  ecommerce: null,
}); // Clear the previous ecommerce object
utag.link({
  ecommerce: null,
}); // Clear the previous ecommerce object

window.dataLayer = window.dataLayer || [];
window.dataLayer.push({
  event: "select_item",
  // event parameters
  button_text: el.id,
  section_heading: sh ?? undefined,
  event_type: "ui interaction",
  tag_name: el.tagName,
  step: step.at(-1),
  ecommerce: {
    item_list_id: itemsList[i].item_list_id,
    item_list_name: itemsList[i].item_list_name,
    items: itemsList[i],
  },
  e_timestamp: tstamp, // milliseconds
  custom_timestamp: cstamp, // ISO 8601
  // user properties
  logged_in: logged,
  user_id: ui,
});

utag.link({
  tealium_event: "select_item",
  // event parameters
  button_text: el.id,
  section_heading: sh ?? undefined,
  event_type: "ui interaction",
  tag_name: el.tagName,
  step: step.at(-1),
  ecommerce: {
    item_list_id: itemsList[i].item_list_id,
    item_list_name: itemsList[i].item_list_name,
    items: itemsList[i],
  },
  e_timestamp: tstamp, // milliseconds
  custom_timestamp: cstamp, // ISO 8601
  // user properties
  custom_user_id: ui,
  logged_in: logged,
  user_id: ui,
});

For the remove from cart event the implemented dataLayer array-object and utag.link data object is composed of:

window.dataLayer = window.dataLayer || [];
window.dataLayer.push({
  ecommerce: null,
}); // Clear the previous ecommerce object
utag.link({
  ecommerce: null,
}); // Clear the previous ecommerce object

window.dataLayer = window.dataLayer || [];
window.dataLayer.push({
  event: "remove_from_cart",
  // event parameters
  button_text: el.innerText,
  event_type: "ui interaction",
  tag_name: el.tagName,
  step: step.at(-1),
  alert_message: message,
  alert_impression: true,
  ecommerce: {
    currency: "USD",
    value: itemsSelected[ap].price,
    items: itemsSelected[ap],
  },
  e_timestamp: tstamp, // milliseconds
  custom_timestamp: cstamp, // ISO 8601
  // user properties
  logged_in: logged,
  user_id: ui,
});

utag.link({
  tealium_event: "remove_from_cart",
  // event parameters
  button_text: el.innerText,
  event_type: "ui interaction",
  tag_name: el.tagName,
  step: step.at(-1),
  alert_message: message,
  alert_impression: true,
  ecommerce: {
    currency: "USD",
    value: itemsSelected[ap].price,
    items: itemsSelected[ap],
  },
  e_timestamp: tstamp, // milliseconds
  custom_timestamp: cstamp, // ISO 8601
  // user properties
  custom_user_id: ui,
  logged_in: logged,
  user_id: ui,
});

Video Events

The video events use the general events dataLayer array-object and utag.link data object excluding the video progress event which use a unique dataLayer array-object and utag.link data object.

Using setInterval() function we implement the video progress event.

The implemented video progress event dataLayer array-object and utag.link data object is composed of:

window.dataLayer = window.dataLayer || [];
window.dataLayer.push({
  event: en,
  event_type: "content tool",
  video_duration: vd,
  video_current_time: vct,
  video_percent: vpct,
  video_status: vs,
  video_provider: vp,
  video_title: vt,
  video_url: vu,
  e_timestamp: tstamp, // milliseconds
  custom_timestamp: cstamp, // ISO 8601
  // user properties
  logged_in: logged,
  user_id: ui,
});

utag.link({
  tealium_event: en,
  event_type: "content tool",
  video_duration: vd,
  video_current_time: vct,
  video_percent: vpct,
  video_status: vs,
  video_provider: vp,
  video_title: vt,
  video_url: vu,
  e_timestamp: tstamp, // milliseconds
  custom_timestamp: cstamp, // ISO 8601
  // user properties
  custom_user_id: ui,
  logged_in: logged,
  user_id: ui,
});

Error Events

The error events is a function that is called when errors occurs for Search event, Form event, Sing In event, and Sign Out event.

The implemented error events dataLayer array-object and utag.link data object is composed of:

window.dataLayer = window.dataLayer || [];
window.dataLayer.push({
  event: `${en}_error`,
  event_type: "content tool",
  button_text: bt,
  section_heading: sh,
  tag_name: e.tagName,
  step: step.at(-1),
  error_message: m,
  alert_impression: true,
  e_timestamp: tstamp, // milliseconds
  custom_timestamp: cstamp, // ISO 8601
  // user properties
  logged_in: logged,
  user_id: ui,
});

utag.link({
  event: `${en}_error`,
  event_type: "content tool",
  button_text: bt,
  section_heading: sh,
  tag_name: e.tagName,
  step: step.at(-1),
  error_message: m,
  alert_impression: true,
  e_timestamp: tstamp, // milliseconds
  custom_timestamp: cstamp, // ISO 8601
  // user properties
  custom_user_id: ui,
  logged_in: logged,
  user_id: ui,
});

GTM Setup

The dataLayer array-object for the four main event has been setup in GTM comprised in four individual tags:

Name		Name	Last commit message	Last commit date
Latest commit History 222 Commits
assets		assets
public		public
.gitattributes		.gitattributes
.gitignore		.gitignore
LICENSE		LICENSE
README.md		README.md
favicon.ico		favicon.ico
index.html		index.html

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AnalyticsWeb

Web Analytics Implementation Playground

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