About this plugin
Header Footer Script Adder is a powerful and user-friendly WordPress plugin that lets you easily insert custom HTML, CSS, and JavaScript into your site’s header, body, or footer.
You don’t need to edit theme files or worry about losing your code after updates. This plugin keeps your scripts safe, reusable, and flexible with conditional loading and per-page overrides.
✨ Features
- Add scripts to Header ( <head> ), Body (after <body> ), or Footer (before </body> )
- Conditional Loading – load scripts sitewide, homepage only, posts/pages, or archives
- Per-Page Overrides – add unique code for specific posts and pages
- Code Editor with Syntax Highlighting (CodeMirror)
- Safe Input Handling – sanitization without breaking valid HTML, CSS, or JS
- Lightweight and Fast – minimal database queries
- Block Editor & Classic Editor Compatible
- Multisite Ready & Translation Ready
✅ Perfect For
- Google Analytics / GA4 tracking code
- Google Tag Manager
- Facebook Pixel and ad tracking
- Chat widgets (WhatsApp, Crisp, Tawk.to, etc.)
- Custom CSS and JavaScript
- SEO and verification meta tags (Google, Bing, Pinterest)
- A/B testing scripts
- External fonts and resources
⚙️ Conditional Loading Options
- Sitewide (all pages)
- Homepage only
- Posts & Pages only
- Archive pages
🔒 Security & Performance
- Sanitized input to prevent malicious injections
- Nonce verification for safe form submissions
- Admin-only access for configuration
- Clean uninstall process (no leftover data)
- Minimal performance impact
👨💻 Developer Friendly
- Extensible, documented code
- WordPress coding standards compliant
- Translation-ready.pot file included
- Works with any theme
Donations
If you enjoy this plugin and want to support development, you can buy me a coffee:
com/mahethekiller
Support & Documentation
org.
Privacy Policy
This plugin does not collect or share personal data. It only loads the scripts you provide.
, Google Analytics, Facebook Pixel, chat widgets).