Title: Header Footer Script Adder – Insert Code in Header, Body & Footer
Author: mahethekiller
Published: 2 de Febreiro, 2017
Last modified: 5 de Xuño, 2026
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# Header Footer Script Adder – Insert Code in Header, Body & Footer
Por [mahethekiller](https://profiles.wordpress.org/mahethekiller/)
[Descargar](https://downloads.wordpress.org/plugin/header-and-footer-script-adder.2.0.7.zip)
* [Detalles](https://gl.wordpress.org/plugins/header-and-footer-script-adder/#description)
* [Valoracións](https://gl.wordpress.org/plugins/header-and-footer-script-adder/#reviews)
* [Instalación](https://gl.wordpress.org/plugins/header-and-footer-script-adder/#installation)
* [Desenvolvemento](https://gl.wordpress.org/plugins/header-and-footer-script-adder/#developers)
[Soporte](https://wordpress.org/support/plugin/header-and-footer-script-adder/)
## Descrición
**Header Footer Script Adder** is a lightweight, highly secure, and performance-
optimized WordPress plugin that lets you easily insert **custom HTML, CSS, and JavaScript**
into your site’s header, body, or footer without editing theme files.
Stop modifying your theme’s `header.php` or `footer.php` files directly! When you
change or update your theme, your crucial marketing, analytics, and tracking codes
remain safely stored and active.
The **Free Version** gives you immediate, bloat-free global text areas to inject
your scripts across your site, while the **Pro Version** unlocks a complete, developer-
grade Tag Management System to control exactly _how_, _when_, and _for whom_ your
scripts execute.
### ✨ Free Core Features
* **Targeted Placements:** Add scripts precisely to the Header (``), Body(
immediately after `` via `wp_body_open`), or Footer (before ``).
* **Smart Conditional Loading:** Control script visibility sitewide, homepage only,
posts/pages only, or archive pages.
* **Per-Page & Per-Post Overrides:** Inject completely unique tracking codes or
custom scripts into specific individual posts or pages.
* **Developer-Grade Code Editor:** Built-in CodeMirror code editor with full syntax
highlighting for error-free coding.
* **Secure Input Handling:** Robust input sanitization without breaking valid HTML,
CSS, or JS scripts.
* **Lightweight & Fast:** Zero bloat architecture that minimizes database queries
to protect front-end site speed.
* **Full Compatibility:** Works seamlessly with the Block Editor (Gutenberg), Classic
Editor, and WordPress Multisite installations.
### ✅ Perfect For
* **Analytics & SEO:** Google Analytics / GA4 tracking code, Google Tag Manager(
GTM), and SEO verification meta tags (Google Search Console, Bing, Pinterest).
* **Conversion Tracking:** Meta (Facebook) Pixel, TikTok Pixel, Pinterest Tag,
and ad tracking scripts.
* **User Engagement:** Live chat widgets (WhatsApp, Crisp, Tawk.to, HubSpot).
* **Custom Styling & Scripts:** Global or page-specific custom CSS modifications
and JavaScript actions.
### 🚀 Upgrade to Pro: Unlock Ultimate Control & Speed
For advanced developers, agencies, and e-commerce stores, the Pro version transforms
your setup into an advanced tracking engine:
* **1. Granular Conditional Targeting:**
- **User Role Targeting:** Load scripts for Everyone, Logged-In Users Only,
Logged-Out Users Only, or specific roles (Administrator, Subscriber, WooCommerce
Customer, etc.).
- **Device Targeting:** Optimize layouts by choosing to load scripts only on
Desktop, Tablet, or Mobile devices.
- **Advanced Page-Specific Targeting:** Target specific Custom Post Types or
key WooCommerce Pages (Shop, Cart, Checkout, Single Products) to eliminate
checkout tracking discrepancies.
* **2. Core Web Vitals & Performance Optimization:**
- **Loading Strategies:** Automatically inject `async` (non-blocking) or `defer`(
delayed execution) attributes into scripts to skyrocket your Google PageSpeed
scores.
- **Flexible Injection Methods:** Print code Inline directly to the page, or
as an Enqueued File to take advantage of browser caching.
- **Automatic Code Minification:** Automatically strips comments and whitespace
from your custom snippets to reduce payload size.
* **3. One-Click Native Pixel Integrations:**
No more copying messy code blocks.
Simply paste your tracking IDs for optimized, automated deployment of:
- **Google Tag Manager (GTM):** Automated header script and body `