WordPress Customization Hub: Code Snippets & Theme Tweaks
Want to customize WordPress beyond the basics? This hub brings together our best tutorials and code snippets for themes,
child themes, functions.php, CSS/JS, custom post types, ACF, shortcodes, and more. Start here to tailor WordPress
to your exact needs—safely and step by step.
Theme & Child Theme
- How to Create a Child Theme in WordPress
- How to Create a Custom Page Template in WordPress
- How to Override Template Files the Right Way
- How to Enqueue CSS and JavaScript Properly in WordPress
- How to Add Versioning to Enqueued Assets (Cache Busting) in WordPress
- Template Hierarchy Explained (With Real Examples)
- How to Split functions.php into Modular Files (Best Practices)
- How to Create a Custom Front Page Template (home.php vs front-page.php)
- How to Disable Theme Features Safely (Supports, Widgets, Block Styles)
functions.php & Snippets (Safe Custom Code)
- How to Show Post Views Count in WordPress Without a Plugin
- Lightweight Tweaks: Disable Emojis, Embeds, and Unused Assets
- How to Add Custom Body Classes in WordPress
- How to Disable Gutenberg for Specific Post Types
- How to Add a Custom Image Size and Use It Properly in WordPress
- How to Change the Default WordPress Excerpt Length Per Post Type
- How to Add Conditional Hooks (Run Code Only When Needed)
- How to Add Custom Image Sizes for Retina Displays
- How to Remove jQuery Migrate Safely in WordPress
- How to Disable REST API Endpoints Selectively
- How to Use prefers-reduced-motion in WordPress Themes
CSS / JS Customization
- How to Add Custom CSS in WordPress (Theme Customizer & Child Theme)
- Defer/Async JavaScript for Better Performance
- Load Google Fonts Locally (Privacy & Speed)
- How to Load JavaScript Only on Specific Pages in WordPress
- How to Prevent Layout Shift (CLS) with CSS Aspect Ratios
- How to Create a Sticky Sidebar Without JavaScript
- Scroll Animation with IntersectionObserver (No jQuery)
- How to Scope CSS to Specific Pages in WordPress
- Fix 100vh Issues on Mobile Safari (WordPress-Friendly Solutions)
- How to Scope CSS to Specific Pages in WordPress
- Fix 100vh Issues on Mobile Safari (WordPress-Friendly Solutions)
- How to Use prefers-reduced-motion in WordPress Themes
- How to Add Dark Mode Support to WordPress Without Plugins
Custom Post Types & Taxonomies
- Register a Custom Post Type (CPT) with register_post_type()
- Create Custom Taxonomies and Link Them to CPTs
- Template Basics: Single & Archive Templates for CPTs
- How to Add Custom Rewrite Rules for CPT URLs
- How to Change CPT Slugs Safely (Without Breaking SEO)
- Hierarchical vs Non-Hierarchical Taxonomies Explained
- How t oQuery Multiple CPTs in One Loop
- How to Create CPT Archives with Custom Ordering Logic
- How to Add Admin Filters for CPTs (Taxonomy & Meta)
- When to Use CPT vs Taxonomy (Real-World Examples)
Custom Fields (ACF / Meta Boxes)
- How to Add Custom Fields to WordPress Posts and Display Them
- Create a Custom Meta Box with Code (No Plugin)
- ACF vs Pods: When to Use Each
- How to Display ACF Fields Conditionally (If Empty / Logged-In)
- ACF Repeater vs Group: Performance & Use Cases
- How to Sort Posts by Custom Field Value in WordPress
- ACF Field Performance: What Slows Down Your Site
- How to Save ACF Fields to Custom Tables (Pros & Cons)
- How to Sync ACF Fields Between Environments Safely
- ACF vs Native Meta API: When Code Wins
Shortcodes & Blocks
- Create Shortcodes in WordPress (With Practical Examples)
- From Shortcode to Block: Modernizing Legacy Features
- Reusable Blocks & Patterns: Build Faster, Stay Consistent
- When NOT to Use Shortcodes (And Better Alternatives)
- Create a Dynamic Block with block.json (Beginner-Friendly)
- How to Migrate Old Shortcodes Without Breaking Content
Navigation, Header & Footer
- How to Add a Back to Top Button in WordPress
- How to Create a Sticky Header in WordPress
- How to Add Breadcrumb Navigation in WordPress
- How to Create a Custom Search Form with Filters in WordPress
- How to Add a Custom Widget Area (Sidebar) in WordPress
- How to Highlight the Current Menu Item with Custom Logic
- Create a Mobile-Only Menu Without a Plugin
- How to Add Icons to WordPress Menus (SVG Friendly)
Post & Content Customization
- How to Display an Author Bio Box Below Posts in WordPress
- How to Customize the WordPress Excerpt (Length and “Read More” Link)
- How to Show Related Posts by Category in WordPress
- How to Customize the WordPress Comment Form
- How to Add Estimated Reading Time to Posts (WordPress)
- How to Add a Table of Contents Automatically in WordPress (Code-Based)
- How to Display “Last Updated” Date Instead of Publish Date in WordPress
Search & Query Customization
- How to Exclude Specific Categories from the WordPress Blog Page
- How to Create a Custom Search Form with Filters in WordPress
- Custom Search for CPTs and Taxonomies
- WP_Query vs pre_get_posts: When to Use Each
- How to Create an OR Search Across Meta Fields and Taxonomies (WordPress)
- Exclude Pages from WordPress Search Results
Performance & UX Tweaks
- Image Optimization: WebP & Lazy-Loading
- Improve Core Web Vitals (CLS, LCP, INP) in WordPress
- How to Preload Key Requests (Fonts & LCP Images)
- How to Remove Unused WordPress CSS (block-library, global-styles)
- Critical CSS: Manual vs Plugin Approach
Admin & Dashboard Customization
- How to Add Custom Columns to the WordPress Admin Post List
- How to Remove Unused Menu Items from the WordPress Dashboard
- How to Add Custom CSS to the WordPress Admin Area
- How to Add Custom Admin Notices (Dismissible)
- How to Restrict Admin Access by Role (Without Plugins)
- How to Customize the Admin Footer Text
Users & Conditional Display
- How to Display Different Content for Logged-In Users in WordPress
- How to Change the WordPress Login Page Logo and Styles
- How to Hide the Admin Bar for Subscribers
- Role-Based Content Control Without Membership Plugins
- How to Redirect Users After Login by Role
- How to Hide Pages from Non-Logged-In Users (SEO-Safe)
WooCommerce Customization (Optional)
- Useful WooCommerce Hooks & Snippets
- Customize Checkout Fields Safely
- Disable WooCommerce Assets on Non-Shop Pages
- How to Customize Add to Cart Button Text by Product Type
Final Thoughts
Customization is powerful—when done safely. We recommend using a child theme or MU-plugin for custom code, documenting each change,
and testing on a staging site. Bookmark this hub and check back often—we add new tutorials and snippets regularly.
If you want us to cover a specific customization, contact us and suggest a topic.