150 lines
5.3 KiB
Markdown
150 lines
5.3 KiB
Markdown
# gatsby-plugin-google-analytics
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Easily add Google Analytics to your Gatsby site.
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## Install
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`npm install --save gatsby-plugin-google-analytics`
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## How to use
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```javascript
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// In your gatsby-config.js
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module.exports = {
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plugins: [
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{
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resolve: `gatsby-plugin-google-analytics`,
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options: {
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trackingId: "YOUR_GOOGLE_ANALYTICS_TRACKING_ID",
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// Defines where to place the tracking script - `true` in the head and `false` in the body
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head: false,
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// Setting this parameter is optional
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anonymize: true,
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// Setting this parameter is also optional
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respectDNT: true,
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// Avoids sending pageview hits from custom paths
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exclude: ["/preview/**", "/do-not-track/me/too/"],
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// Delays sending pageview hits on route update (in milliseconds)
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pageTransitionDelay: 0,
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// Enables Google Optimize using your container Id
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optimizeId: "YOUR_GOOGLE_OPTIMIZE_TRACKING_ID",
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// Enables Google Optimize Experiment ID
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experimentId: "YOUR_GOOGLE_EXPERIMENT_ID",
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// Set Variation ID. 0 for original 1,2,3....
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variationId: "YOUR_GOOGLE_OPTIMIZE_VARIATION_ID",
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// Any additional optional fields
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sampleRate: 5,
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siteSpeedSampleRate: 10,
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cookieDomain: "example.com",
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},
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},
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],
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}
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```
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See below for the complete list of [optional fields](#optional-fields).
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## `<OutboundLink>` component
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To make it easy to track clicks on outbound links in Google Analytics,
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the plugin provides a component.
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To use it, simply import it and use it like you would the `<a>` element e.g.
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```jsx
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import React
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import { OutboundLink } from 'gatsby-plugin-google-analytics'
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export default () => {
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<div>
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<OutboundLink
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href="https://www.gatsbyjs.org/packages/gatsby-plugin-google-analytics/"
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>
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Visit the Google Analytics plugin page!
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</OutboundLink>
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</div>
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}
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```
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## Options
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### `trackingId`
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Here you place your Google Analytics tracking id.
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### `head`
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Where do you want to place the GA script? By putting `head` to `true`, it will be placed in the "<head>" of your website. By setting it to `false`, it will be placed in the "<body>". The default value resolves to `false`.
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### `anonymize`
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Some countries (such as Germany) require you to use the
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[\_anonymizeIP](https://support.google.com/analytics/answer/2763052) function for
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Google Analytics. Otherwise you are not allowed to use it. The option adds two
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blocks to the code:
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```javascript
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function gaOptout(){document.cookie=disableStr+'=true; expires=Thu, 31 Dec 2099 23:59:59 UTC;path=/',window[disableStr]=!0}var gaProperty='UA-XXXXXXXX-X',disableStr='ga-disable-'+gaProperty;document.cookie.indexOf(disableStr+'=true')>-1&&(window[disableStr]=!0);
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...
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ga('set', 'anonymizeIp', 1);
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```
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If your visitors should be able to set an Opt-Out-Cookie (No future tracking)
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you can set a link e.g. in your imprint as follows:
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`<a href="javascript:gaOptout();">Deactivate Google Analytics</a>`
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### `respectDNT`
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If you enable this optional option, Google Analytics will not be loaded at all for visitors that have "Do Not Track" enabled. While using Google Analytics does not necessarily constitute Tracking, you might still want to do this to cater to more privacy oriented users.
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### `exclude`
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If you need to exclude any path from the tracking system, you can add it (one or more) to this optional array as glob expressions.
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### `pageTransitionDelay`
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If your site uses any custom transitions on route update (e.g. [`gatsby-plugin-transition-link`](https://www.gatsbyjs.org/blog/2018-12-04-per-link-gatsby-page-transitions-with-transitionlink/)), then you can delay processing the page view event until the new page is mounted.
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### `optimizeId`
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If you need to use Google Optimize for A/B testing, you can add this optional Optimize container id to allow Google Optimize to load the correct test parameters for your site.
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### `experimentId`
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If you need to set up SERVER_SIDE Google Optimize experiment, you can add the experiment ID. The experiment ID is shown on the right-hand panel on the experiment details page. [Server-side Experiments](https://developers.google.com/optimize/devguides/experiments)
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### `variationId`
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Besides the experiment ID you also need the variation ID for SERVER_SIDE experiments in Google Optimize. Set 0 for original version.
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## Optional Fields
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This plugin supports all optional Create Only Fields documented in [Google Analytics](https://developers.google.com/analytics/devguides/collection/analyticsjs/field-reference#create):
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- `name`: string, tracker name
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- `clientId`: string
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- `sampleRate`: number
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- `siteSpeedSampleRate`: number
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- `alwaysSendReferrer`: boolean
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- `allowAnchor`: boolean
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- `cookieName`: string
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- `cookieDomain`: string, defaults to `'auto'` if not given
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- `cookieExpires`: number
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- `storeGac`: boolean
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- `legacyCookieDomain`: string
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- `legacyHistoryImport`: boolean
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- `allowLinker`: boolean
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This plugin also supports several optional General fields documented in [Google Analytics](https://developers.google.com/analytics/devguides/collection/analyticsjs/field-reference#general):
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- `allowAdFeatures`: boolean
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- `dataSource`: string
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- `queueTime`: number
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- `forceSSL`: boolean
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- `transport`: string
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These fields can be specified in the plugin's `options` as shown in the [How to use](#how-to-use) section.
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