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W3 Pixel Server-Side Tracking

The Facebook Pixel Server-Side Tracking (CAPI) plugin enables you to send Facebook Pixel events directly from your WordPress server to Meta using the Conversions API. This provides more reliable tracking compared to browser-based tracking, especially in an era of increasing privacy restrictions and ad blockers.

by Md Shukur Miah · github.com/mdshukurmiah/w3-pixel-server-side-tracking · website

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Install

No release zip yet. The repository archive installs, but the folder name will carry the branch suffix and updates will not flow:

wp plugin install https://github.com/mdshukurmiah/w3-pixel-server-side-tracking/archive/refs/heads/main.zip
Readme github.com/mdshukurmiah/w3-pixel-server-side-tracking ↗

Enable Facebook Pixel server-side tracking using the Conversions API (CAPI) for improved tracking accuracy and reliability.

Description

The Facebook Pixel Server-Side Tracking (CAPI) plugin enables you to send Facebook Pixel events directly from your WordPress server to Meta using the Conversions API. This provides more reliable tracking compared to browser-based tracking, especially in an era of increasing privacy restrictions and ad blockers.

Key Features

  • Server-Side Tracking: Send events directly from your server to Facebook, bypassing browser limitations
  • WooCommerce Integration: Automatic tracking of e-commerce events (AddToCart, Purchase, InitiateCheckout)
  • Event Deduplication: Prevent duplicate events when using both client-side and server-side tracking
  • Privacy Compliant: Automatically hash sensitive customer data before sending to Facebook
  • Easy Setup: Simple configuration through WordPress admin interface
  • Debug Mode: Comprehensive logging for troubleshooting and development
  • Test Connection: Built-in tool to verify your Conversions API setup

Supported Events

  • PageView – Track page visits
  • ViewContent – Track product page views (WooCommerce)
  • AddToCart – Track when products are added to cart (WooCommerce)
  • InitiateCheckout – Track checkout initiation (WooCommerce)
  • Purchase – Track completed orders (WooCommerce)

Why Use Server-Side Tracking?

  • Improved Data Quality: Not affected by ad blockers or browser restrictions
  • Better Attribution: More accurate Facebook Ads conversion data
  • Privacy Compliant: Customer data is hashed before transmission
  • Reliable Tracking: Events are sent even when JS fails or doesn’t load
  • Future-Proof: Ready for a cookieless future

Requirements

  • WordPress 5.0 or higher
  • PHP 7.4 or higher
  • Facebook Business Manager account
  • Facebook Pixel ID
  • Conversions API Access Token
  • WooCommerce (optional, for e-commerce tracking)

Installation

  1. Upload the plugin files to /wp-content/plugins/w3-pixel-capi, or install through WordPress plugins screen.
  2. Activate the plugin via the ‘Plugins’ screen.
  3. Navigate to Settings > Facebook Pixel CAPI.
  4. Enter your Facebook Pixel ID and CAPI Access Token.
  5. Select events to track.
  6. Test your connection.

Frequently Asked Questions

How do I get a Facebook Pixel ID?

  1. Go to Facebook Events Manager
  2. Create or select a Pixel
  3. Copy the Pixel ID from the details page

How do I generate a Conversions API Access Token?

  1. Open your Pixel in Events Manager
  2. Go to the Settings tab
  3. Find Conversions API section
  4. Click “Generate access token” under “Set up manually”

Do I need to remove my existing Facebook Pixel code?

No. This plugin works alongside your existing Pixel and handles event deduplication.

What data is sent to Facebook?

Standard Pixel events + customer data. Sensitive data is hashed using SHA256 before sending.

Does this work with WooCommerce?

Yes! Events like AddToCart, InitiateCheckout, and Purchase are auto-tracked when WooCommerce is active.

How can I test if the plugin is working?

Use the Test Connection tool in plugin settings. Enable Debug Mode for API log visibility.

Is this plugin GDPR compliant?

Yes — sensitive data is hashed. However, you must still handle user consent on your site.

Screenshots

  1. Plugin settings page
  2. Event tracking configuration
  3. Debug logs and test connection
  4. WooCommerce integration status

Changelog

1.1.0

  • Added ViewContent event for product pages
  • Improved product brand detection
  • Enhanced price handling for variable products
  • Added debug logging for ViewContent
  • Updated admin UI

1.0.0

  • Initial release
  • Events: PageView, AddToCart, InitiateCheckout, Purchase
  • WooCommerce integration
  • Event deduplication
  • Debug mode
  • Connection test
  • Data hashing

Upgrade Notice

1.1.0

New ViewContent event for WooCommerce product views. Enable it in plugin settings.

1.0.0

Initial release of the plugin.

Privacy Policy

This plugin sends data to Facebook via Conversions API. Includes:

  • Event info (e.g., PageView, Purchase)
  • Hashed customer data (email, phone, etc.)
  • Technical info (IP address, user agent)
  • Product details

Sensitive data is hashed before transmission. No plain-text personal info is shared.

For more details, refer to Facebook’s Privacy Policy and Data Processing Terms.

Support

For help, visit the GitHub Issues tab or contact the author via the WordPress plugin page.

Contributing

Open-source contributions welcome! Please report issues or submit pull requests via GitHub.

Credits

Developed by Md Shukur Miah
Facebook CAPI Docs: https://developers.facebook.com/docs/marketing-api/conversions-api/