Easily add these GMP products in a cohesive way to your Gatsby site:
- Google Tag Manager
- Google Analytics
- Google Optimize
The installation is based on Google's recommendations and best practices.
This provides the ability to configure the Google Marketing Platform base tools, including Google Analytics, Google Optimize, and Google Tag Manager.
This plugin also allows the ability to preset dataLayer variables. This is useful in cases where you need GA, configured within GTM, to fire with particular variables on the initial pageview, such as dynamically setting your Google Analytics Property ID, instead of requiring to maintain it in multiple locations.
This will not provide any functionality around specific tracking or conversion tags. These responsibilities should be handled in Google Tag Manager.
yarn add gatsby-plugin-google-marketing-platform
or
npm install gatsby-plugin-google-marketing-platform
// In your gatsby-config.js
plugins: [
{
resolve: 'gatsby-plugin-google-marketing-platform',
options: {
dataLayer: {
gaPropertyId: '[Google Analytics ID]',
},
tagmanager: {
id: '[Google Tag Manager ID]'
},
analytics: {
id: '[Google Analytics ID]'
}
},
}
]| Key | Type | Default | Description |
|---|---|---|---|
| dataLayer | object | {} |
See Below |
| tagmanager | object | {} |
See Below |
| analytics | object | {} |
See Below |
| optimize | object | {} |
See Below |
| includeInDevelopment | boolean | false |
Scripts will be bundled in development mode |
The dataLayer key is a freeform object that will allow you to pass data through to the globally available dataLayer array that Google Tag Manager utilizes to store and watch data. There is no set functionality for this, but you can see below for some usage examples.
| Key | Type | Default |
|---|---|---|
| gaPropertyId | string | None |
Configuration specifics for Google Tag Manager.
| Key | Type | Default | Description |
|---|---|---|---|
| id | string | None | Google Tag Manager ID |
| params | object | {} |
Additional parameters to be added on GTM script URL |
Configuration specifics for Google Analytics.
| Key | Type | Default | Description |
|---|---|---|---|
| id | string | None | Google Analytics ID |
| config | object | {} |
Custom GA configuration |
Configuration specifics for Google Optimize.
| Key | Type | Default | Description |
|---|---|---|---|
| id | string | None | Google Optimize ID |
| timeout | number | 500 | Number of milliseconds Optimize waits to try to load - Docs |
| activateOn | string | None | Activation Method |
By default, this plugin doesn't push any activation events to Google Tag Manager for single page apps. The activateOn property allows configuration to provide different methods of activation.
Activation events refers to Google's way of handling re-activating Optimize on DOM change.
https://support.google.com/optimize/answer/7008840?hl=en
observer: Utilizes MutationObserver to watch for DOM changes
// In your gatsby-config.js
plugins: [
{
resolve: 'gatsby-plugin-google-marketing-platform',
options: {
dataLayer: {
// Preset dataLayer values
gaPropertyId: '[Google Analytics ID]',
},
tagmanager: {
id: '[Google Tag Manager ID]',
params: {
// GTM URL Parameters
// Ex: https://www.googletagmanager.com/gtm.js?id=[ID]>m_cookies_win=x
gtm_cookies_win: 'x'
}
},
analytics: {
id: '[Google Analytics ID]',
},
optimize: {
id: '[Google Optimize ID]',
}
}
}
]Note: the below will be minified along with the rest of the code and not include comments
...
<head>
...
<!-- Set up dataLayer with data if provided -->
<script>
window.dataLayer = window.dataLayer || [{"gaPropertyId":"TEST-1234"}];
</script>
<!-- Initialized GTM via gtag -->
<script>
function gtag(){dataLayer.push(arguments);}
gtag('js', new Date());
</script>
<!-- Google Optimize async hide class -->
<style>.async-hide { opacity: 0 !important }</style>
<!-- Google Optimize async hide script -->
<script>
(function(a,s,y,n,c,h,i,d,e){s.className+=' '+y;h.start=1*new Date;
h.end=i=function(){s.className=s.className.replace(RegExp(' ?'+y),'')};
(a[n]=a[n]||[]).hide=h;setTimeout(function(){i();h.end=null},c);h.timeout=c;
})(window,document.documentElement,'async-hide','dataLayer',500,{'ASDF-4321':true});
</script>
<!-- Configure GTM given GA and GO IDs -->
<script>
gtag('config', 'TEST-1234', {"optimize_id":"ASDF-4321"});
</script>
<!-- Configure and initialize GTM -->
<script>
(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=
'https://www.googletagmanager.com/gtm.js?id='+i+dl+'>m_cookies_win=x';f.parentNode.insertBefore(j,f);
})(window,document,'script','dataLayer', 'TESTASDF-12345678');
</script>
...
</head>
...
<body>
<!-- GTM noscript for when JS isn't available -->
<noscript><iframe src="https://www.googletagmanager.com/ns.html?id=TESTASDF-12345678>m_cookies_win=x" height="0" width="0" style="display: none; visibility: hidden ></iframe></noscript>
Thanks goes to these wonderful people (emoji key):
 Colby Fayock 💻 📖 |
 Richard Taylor Dawson 📖 |
 Markus Witzlsperger 💻 |
 Matt Smith 📖 💻 |
This project follows the all-contributors specification. Contributions of any kind welcome!
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