Add Header and Footer Code

Add custom code to your site without modifying theme files.

Overview

Add custom code to your site’s header, body open, and footer without modifying theme files.

Injection Points

Location	Hook	Priority	Use Cases
Header	wp_head	20	Meta tags, analytics, CSS
Body Open	wp_body_open	20	Tag Manager, no-script fallbacks
Footer	wp_footer	20	Tracking pixels, chat widgets, deferred JS

Google Analytics 4 Integration

Built-in GA4 support with just a Measurement ID. Simply enter your G-XXXXXXXXXX ID and the tracking code is automatically added.

Automatic Skipping

Snippets are NOT output in:

• Admin pages (is_admin())
• RSS feeds (is_feed())
• REST API requests (REST_REQUEST)

Developer Filters

Disable snippets on specific pages

add_filter( 'functionalities_snippets_output_enabled', function( $enabled ) { if ( is_page( 'landing-page' ) ) { return false; } return $enabled; });

For a step-by-step walkthrough, see How to Add Analytics or Verification Code Without Editing Your Theme.