How to Add Language-Specific Tracking Codes with WPML in WordPress

In this tutorial, you will learn how to add language-specific tracking codes to your WordPress website using WPML (WordPress Multilingual Plugin). This step-by-step guide empowers you to tailor your analytics to different languages without relying on plugins. Whether you are a beginner or an experienced developer, this tutorial provides clear instructions to enhance your WordPress site’s functionality and user experience.

Before proceeding with any customizations in WordPress, it’s essential to set up a child theme. A child theme acts as a safe and efficient way to make modifications without affecting the parent theme. If you haven’t set up a child theme yet, follow this tutorial on How to Create a Child Theme for Customization. It will guide you through the process and ensure that your customizations remain intact even after theme updates.

Edit Your Child Theme’s functions.php

To get started, open your WordPress child theme’s functions.php file. This file acts as the central hub for customizing your theme’s functionality. You can edit it directly within the Theme Editor in your WordPress dashboard and, for more advanced editing, you can use an external code editor in combination with FTP (File Transfer Protocol). Add the following code snippet at the end of the functions.php file:

function add_language_specific_tracking_code() {
	if ( defined( 'ICL_LANGUAGE_CODE' ) ) {
		// English (EN) language
		if ( 'en' == ICL_LANGUAGE_CODE ) {
			// Add your tracking code for English here
		}
		// Dutch (NL) language
		elseif ( 'nl' == ICL_LANGUAGE_CODE ) {
			// Add your tracking code for Dutch here
		}
		// French (FR) language
		elseif ( 'fr' == ICL_LANGUAGE_CODE ) {
			// Add your tracking code for French here
		}
		// Fallback (optional)
		else {
			// Add your fallback tracking code here (optional)
		}
	}
}

add_action( 'wp_head', 'add_language_specific_tracking_code' );
Code language: PHP (php)

In this code snippet, the add_language_specific_tracking_code function checks the current language of your WordPress website using the ICL_LANGUAGE_CODE constant. Depending on the detected language (English, Dutch, or French), it includes the appropriate tracking code in the <head> section of your site.

Save and Test functions.php Changes

After adding the code, save the functions.php file. To debug and confirm which language-specific code block is active based on the detected language, you can add an example echo statement inside the respective if statements. For instance:

// Dutch (NL) language
elseif ( 'nl' == ICL_LANGUAGE_CODE ) {
	// Add your tracking code for Dutch here
	echo '<script>console.log("Dutch tracking code triggered!");</script>';
}
Code language: PHP (php)

This echo statement will output a message to the browser console when the Dutch tracking code is active, allowing you to debug and verify the code execution.

That’s it! By following these steps, you have successfully implemented language-specific tracking codes on your WordPress website using WPML. The added echo statements provide a helpful way to debug and ensure that the correct tracking code is triggered when users switch between languages. This approach empowers you to monitor user interactions accurately, enabling data-driven decisions to enhance your website’s performance and user engagement.

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