Involvz

TagSyncer enables you to add Google Tag Manager (GTM) to your WordPress site with up to two GTM IDs and empowers tracking options like scroll depth, Contact Form 7 submissions, Elementor forms, and WooCommerce events. It ensures that analytics stay intact by notifying you when GTM IDs are removed.
Key Features
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Google Tag Manager (GTM) Integration 
Allows insertion of up to two GTM IDs.
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Scroll Tracking 
Tracks scroll depth on pages. Enable this feature in the Scroll Tracking Settings tab in the plugin settings.
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GTM ID Removal Notification 
Provides a dashboard notification and sends an email to the WordPress administrator when a GTM ID is removed. 
Updated with improved subject and body formatting for clarity.
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Contact Form 7 Tracking 
Tracks submissions from Contact Form 7 forms. Enable this feature in the Integrations tab.
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Elementor Form Tracking 
Tracks form submissions from Elementor forms. Enable this feature in the Integrations tab.
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WooCommerce Tracking 
Tracks WooCommerce eCommerce events with dataLayer support, capturing product views, add-to-cart actions, and purchases. Enable this in the Integrations tab.
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dataLayer Events for Custom Tags 
Automatically pushes dataLayer events, allowing you to create custom GTM tags to track various interactions on your website.
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Improved UI/UX 
Refreshed styling for a modern and user-friendly interface.
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<h3>External Services</h3>
This plugin relies on the external service Google Tag Manager(GTM) to enable advanced website tracking and analytics capabilities.
What the service is and what it is used for 
Google Tag Manager is a tag management system that allows users to deploy and manage marketing tags (such as analytics, conversion tracking, and remarketing tags) on their website without editing code directly. This plugin uses Google Tag Manager to integrate tracking features like scroll depth, form submissions, and WooCommerce events.
What data is sent and when 
– The plugin sends the configured Google Tag Manager ID to the Google Tag Manager service to load the appropriate container. 
– When enabled, the plugin may also send tracking events such as form submissions, scroll depth, and WooCommerce events to Google Tag Manager. 
– This data is used for creating custom tags, monitoring website interactions, and generating insights.
Links to the service’s terms of service and privacy policy 
– <a href="https://www.google.com/analytics/tag-manager/use-policy/" rel="nofollow ugc">Google Tag Manager Terms of Service</a> 
– <a href="https://policies.google.com/privacy" rel="nofollow ugc">Google Privacy Policy</a>
<h3>Additional Information</h3>
For advanced usage and custom GTM tag creation, refer to <a href="https://wordpress.org/" rel="ugc">WordPress</a> documentation.

TagSyncer – Free Google Tag Manager Plugin for WordPress

Easily integrate Google Tag Manager with tracking for scroll events, forms, and WooCommerce, all manageable from the WordPress dashboard.

Adam Ainsworth

Rather than manually inserting the scary code that Google Tag Manager provides, this plugin does it properly and puts it into the page in the correct WordPress manner, and in the way that GTM expects.
Of course, you’ll still need to put your tags and pixels into the container, via the GTM interface. You can use Tag Assistant(Chrome plugin) to check that everything looks how it should.

WP TagMan

This is a simple plugin that allows you to insert the Google Tag Manager container into your site.

TagSyncer – Free Google Tag Manager Plugin for WordPress vs WP TagMan