Top 30 Webflow Code Snippets: Every Developer Should Bookmark in 2025

While Webflow's visual builder handles 90% of design and functionality needs, the remaining 10% often separates good websites from exceptional ones. Custom code transforms standard Webflow projects into unique, high-performance experiences that stand out in today's competitive digital landscape.

The power of Webflow custom code lies not in replacing the visual builder, but in enhancing it. Strategic code implementation can solve specific design challenges, add advanced interactions, and optimize performance in ways that native features simply cannot achieve.

This collection of 30 Webflow code snippets represents years of Webflow development experience and real-world problem-solving. Each snippet is battle-tested, performance-optimized, and ready for immediate implementation in your projects.

Whether you're looking to create custom animations, enhance user experience, or optimize site performance, these snippets provide the foundation for advanced Webflow development. From simple CSS to complex JavaScript functionality, you'll find solutions for the most common development challenges.

Understanding Webflow Custom Code Implementation

Where to Add Custom Code in Webflow

1.  Site-wide custom code through Project Settings affects every page on your website. Navigate to Project Settings > Custom Code to add code that should load globally. 

2. Page-specific custom code targets individual pages through Page Settings. This approach is ideal for code that only applies to specific pages. Access this through the Page Settings icon on any page.

3. Embedded element usage allows inline code placement anywhere in your layout. Drag an Embed element from the Add Panel and paste your code directly into the text area. This method is perfect for specific functionality that needs to appear in exact locations.

4. CMS collection custom code enables dynamic code execution based on collection content. Add custom fields to collections for storing code snippets, or use conditional logic to apply different code based on collection data.

Best Practices for Custom Code

Code organization and commenting ensure maintainability and collaboration. Always add descriptive comments explaining what each code block does and why it's necessary.

Performance considerations include minifying code, using async loading where appropriate, and avoiding redundant or conflicting scripts. Test code impact on Core Web Vitals before deployment.

Testing and debugging approaches should include cross-browser testing, mobile device verification, and staged deployment. Use browser developer tools to identify and resolve issues before going live.

Top 30 Webflow Code Snippets: CSS Snippets

Layout and Design Enhancements

1. Custom Scrollbar Styling

<style>
/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb {
  background: #007aff;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #0056cc;
}
</style>

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This snippet creates custom-styled scrollbars that match your brand colors. Perfect for maintaining design consistency across all browser elements.

2. Smooth Scroll Behavior

<style>
html {
  scroll-behavior: smooth;
}

/* Enhanced smooth scroll with easing */
@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}
</style>

‍

Enables smooth scrolling for anchor links while respecting user preferences for reduced motion. Essential for professional navigation experiences.

3. Advanced CSS Grid Layouts

<style>
.custom-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  align-items: start;
}

@media (max-width: 768px) {
  .custom-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}
</style>

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Creates responsive grid layouts that adapt automatically to screen size. More flexible than Webflow's built-in grid options for complex layouts.

4. Custom Text Selection Colors

<style>
::selection {
  background-color: #007aff;
  color: white;
}

::-moz-selection {
  background-color: #007aff;
  color: white;
}
</style>

‍

Customizes text selection highlighting to match your brand colors. A subtle detail that enhances brand consistency.

5. Glassmorphism Effects

<style>
.glass-effect {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 16px;
}
</style>

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Creates modern glassmorphism effects popular in contemporary design. Perfect for overlay elements and modal windows.

6. Dark Mode Variables

<style>
:root {
  --bg-primary: #ffffff;
  --text-primary: #000000;
  --accent-color: #007aff;
}

[data-theme="dark"] {
  --bg-primary: #1a1a1a;
  --text-primary: #ffffff;
  --accent-color: #0099ff;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: background-color 0.3s ease, color 0.3s ease;
}
</style>

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CSS custom properties are the foundation for dark mode implementation. Allows easy theme switching with JavaScript.

Animation and Interaction Snippets

7. Advanced Hover Effects

<style>
.hover-lift {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hover-lift:hover {
  transform: translateY(-8px);
}

.hover-glow {
  transition: box-shadow 0.3s ease;
}

.hover-glow:hover {
  box-shadow: 0 0 30px rgba(0, 122, 255, 0.4);
}
</style>

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Professional hover animations that add polish to interactive elements. The cubic-bezier timing function creates smooth, natural motion.

8. CSS-Only Loading Animations

<style>
.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid #f3f3f3;
  border-top: 4px solid #007aff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.pulse-loader {
  width: 40px;
  height: 40px;
  background: #007aff;
  border-radius: 50%;
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0% { transform: scale(0); opacity: 1; }
  100% { transform: scale(1); opacity: 0; }
}
</style>

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Multiple lightweight loading animations that don't require external libraries or complex JavaScript.

9. Parallax Background Effects

<style>
.parallax-container {
  height: 100vh;
  overflow-x: hidden;
  overflow-y: auto;
  perspective: 1px;
}

.parallax-element {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  transform: translateZ(-1px) scale(2);
}
</style>

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Pure CSS parallax effects that perform better than JavaScript alternatives. Creates engaging visual depth without performance penalties.

10. Custom Button Animations

<style>
.animated-button {
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.animated-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

.animated-button:hover::before {
  left: 100%;
}
</style>

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Sophisticated button animations that create engaging micro-interactions. The sweep effect adds premium feel to call-to-action elements.

11. Image Overlay Effects

<style>
.image-overlay {
  position: relative;
  overflow: hidden;
}

.image-overlay::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.image-overlay:hover::after {
  opacity: 1;
}
</style>

‍

Professional image overlay effects for portfolios and galleries. Creates consistent interaction patterns across image elements.

12. Print Styles Optimization

<style>
@media print {
  .no-print {
    display: none !important;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.4;
  }
  
  h1, h2, h3 {
    page-break-after: avoid;
  }
  
  .page-break {
    page-break-before: always;
  }
  
  a::after {
    content: " (" attr(href) ")";
    font-size: 10pt;
    color: #666;
  }
}
</style>

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Optimizes pages for printing with proper typography and layout adjustments. Essential for content-heavy sites and documentation.

JavaScript Functionality Snippets

User Experience Enhancements

13. Smooth Anchor Scrolling

<script>
document.querySelectorAll('a[href^="#"]').forEach(anchor => {
  anchor.addEventListener('click', function (e) {
    e.preventDefault();
    const target = document.querySelector(this.getAttribute('href'));
    if (target) {
      target.scrollIntoView({
        behavior: 'smooth',
        block: 'start'
      });
    }
  });
});
</script>

‍

Enhanced smooth scrolling with better browser support and customizable behavior. Works with any anchor link automatically.

14. Copy to Clipboard Functionality

<script>
function copyToClipboard(text) {
  navigator.clipboard.writeText(text).then(() => {
    // Success feedback
    const notification = document.createElement('div');
    notification.textContent = 'Copied to clipboard!';
    notification.style.cssText = `
      position: fixed;
      top: 20px;
      right: 20px;
      background: #007aff;
      color: white;
      padding: 10px 20px;
      border-radius: 4px;
      z-index: 1000;
    `;
    document.body.appendChild(notification);
    setTimeout(() => notification.remove(), 2000);
  });
}

// Usage: Add click event to elements with 'copy-button' class
document.querySelectorAll('.copy-button').forEach(button => {
  button.addEventListener('click', () => {
    const textToCopy = button.dataset.copyText || button.textContent;
    copyToClipboard(textToCopy);
  });
});
</script>

‍

Modern clipboard functionality with user feedback. Essential for code examples, contact information, or sharing links.

15. Dynamic Year Copyright

<script>
document.addEventListener('DOMContentLoaded', function() {
  const currentYear = new Date().getFullYear();
  const copyrightElements = document.querySelectorAll('.current-year');
  copyrightElements.forEach(element => {
    element.textContent = currentYear;
  });
});
</script>

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Automatically updates copyright years. Add a span with class 'current-year' anywhere you need the current year displayed.

16. Auto-Hide Navigation on Scroll

<script>
let lastScrollY = window.scrollY;
const navbar = document.querySelector('.navbar');

window.addEventListener('scroll', () => {
  const currentScrollY = window.scrollY;
  
  if (currentScrollY > lastScrollY && currentScrollY > 100) {
    // Scrolling down
    navbar.style.transform = 'translateY(-100%)';
  } else {
    // Scrolling up
    navbar.style.transform = 'translateY(0)';
  }
  
  lastScrollY = currentScrollY;
});
</script>

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Creates smart navigation that hides when scrolling down and appears when scrolling up. Improves mobile experience and screen real estate usage.

17. Custom Form Validation

<script>
function validateForm(formSelector) {
  const form = document.querySelector(formSelector);
  if (!form) return;

  form.addEventListener('submit', function(e) {
    let isValid = true;
    
    // Email validation
    const emailFields = form.querySelectorAll('input[type="email"]');
    emailFields.forEach(field => {
      const emailRegex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
      if (!emailRegex.test(field.value)) {
        showFieldError(field, 'Please enter a valid email address');
        isValid = false;
      } else {
        clearFieldError(field);
      }
    });
    
    // Required field validation
    const requiredFields = form.querySelectorAll('[required]');
    requiredFields.forEach(field => {
      if (!field.value.trim()) {
        showFieldError(field, 'This field is required');
        isValid = false;
      } else {
        clearFieldError(field);
      }
    });
    
    if (!isValid) {
      e.preventDefault();
    }
  });
}

function showFieldError(field, message) {
  clearFieldError(field);
  const errorDiv = document.createElement('div');
  errorDiv.className = 'field-error';
  errorDiv.textContent = message;
  errorDiv.style.cssText = 'color: #ff3333; font-size: 0.8em; margin-top: 4px;';
  field.parentNode.appendChild(errorDiv);
  field.style.borderColor = '#ff3333';
}

function clearFieldError(field) {
  const existingError = field.parentNode.querySelector('.field-error');
  if (existingError) {
    existingError.remove();
  }
  field.style.borderColor = '';
}

// Initialize form validation
validateForm('#contact-form');
</script>

‍

Comprehensive form validation with real-time feedback. Enhances user experience while ensuring data quality.

18. Dark Mode Toggle

<script>
function initDarkMode() {
  const darkModeToggle = document.querySelector('.dark-mode-toggle');
  if (!darkModeToggle) return;
  
  // Check for saved theme preference or default to system preference
  const savedTheme = localStorage.getItem('theme') || 
    (window.matchMedia('(prefers-color-scheme: dark)').matches ? 'dark' : 'light');
  
  // Apply saved theme
  document.documentElement.setAttribute('data-theme', savedTheme);
  updateToggleState(darkModeToggle, savedTheme);
  
  // Toggle functionality
  darkModeToggle.addEventListener('click', () => {
    const currentTheme = document.documentElement.getAttribute('data-theme');
    const newTheme = currentTheme === 'dark' ? 'light' : 'dark';
    
    document.documentElement.setAttribute('data-theme', newTheme);
    localStorage.setItem('theme', newTheme);
    updateToggleState(darkModeToggle, newTheme);
  });
  
  // Listen for system theme changes
  window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', (e) => {
    if (!localStorage.getItem('theme')) {
      const systemTheme = e.matches ? 'dark' : 'light';
      document.documentElement.setAttribute('data-theme', systemTheme);
      updateToggleState(darkModeToggle, systemTheme);
    }
  });
}

function updateToggleState(toggle, theme) {
  toggle.textContent = theme === 'dark' ? '☀️' : '🌙';
  toggle.setAttribute('aria-label', `Switch to ${theme === 'dark' ? 'light' : 'dark'} mode`);
}

// Initialize dark mode
initDarkMode();
</script>

‍

Complete dark mode implementation with system preference detection and local storage persistence.

Interactive Features

19. Click Outside to Close Modals

<script>
function initModalClose() {
  const modals = document.querySelectorAll('.modal');
  
  modals.forEach(modal => {
    modal.addEventListener('click', (e) => {
      if (e.target === modal) {
        closeModal(modal);
      }
    });
    
    // Close on Escape key
    document.addEventListener('keydown', (e) => {
      if (e.key === 'Escape' && modal.style.display !== 'none') {
        closeModal(modal);
      }
    });
  });
}

function closeModal(modal) {
  modal.style.display = 'none';
  document.body.style.overflow = ''; // Restore scrolling
}

// Initialize modal functionality
initModalClose();
</script>

‍

Enhanced modal interaction that follows accessibility best practices. Supports both click-outside and keyboard closing.

20. Tab Switching Functionality

<script>
function initTabs(containerSelector) {
  const container = document.querySelector(containerSelector);
  if (!container) return;
  
  const tabs = container.querySelectorAll('.tab-button');
  const panels = container.querySelectorAll('.tab-panel');
  
  tabs.forEach((tab, index) => {
    tab.addEventListener('click', () => {
      // Remove active class from all tabs and panels
      tabs.forEach(t => t.classList.remove('active'));
      panels.forEach(p => p.classList.remove('active'));
      
      // Add active class to clicked tab and corresponding panel
      tab.classList.add('active');
      if (panels[index]) {
        panels[index].classList.add('active');
      }
    });
  });
}

// Initialize tabs
initTabs('.tab-container');
</script>

‍

Flexible tab system that works with any number of tabs. Add corresponding CSS for styling active states.

21. Dynamic Content Loading

<script>
async function loadContent(url, targetSelector) {
  const target = document.querySelector(targetSelector);
  if (!target) return;
  
  try {
    // Show loading state
    target.innerHTML = '<div class="loading">Loading...</div>';
    
    const response = await fetch(url);
    const data = await response.json();
    
    // Process and display data
    let html = '';
    data.forEach(item => {
      html += `<div class="content-item">${item.title}</div>`;
    });
    
    target.innerHTML = html;
  } catch (error) {
    target.innerHTML = '<div class="error">Failed to load content</div>';
    console.error('Content loading error:', error);
  }
}

// Usage example
document.querySelector('.load-button').addEventListener('click', () => {
  loadContent('/api/content', '.content-container');
});
</script>

‍

Asynchronous content loading with error handling and loading states. Perfect for dynamic content updates without page refreshes.

22. Local Storage Management

<script>
const StorageManager = {
  set: function(key, value) {
    try {
      const serializedValue = JSON.stringify(value);
      localStorage.setItem(key, serializedValue);
      return true;
    } catch (error) {
      console.error('Storage set error:', error);
      return false;
    }
  },
  
  get: function(key, defaultValue = null) {
    try {
      const item = localStorage.getItem(key);
      return item ? JSON.parse(item) : defaultValue;
    } catch (error) {
      console.error('Storage get error:', error);
      return defaultValue;
    }
  },
  
  remove: function(key) {
    localStorage.removeItem(key);
  },
  
  clear: function() {
    localStorage.clear();
  }
};

// Usage examples
StorageManager.set('userPreferences', { theme: 'dark', language: 'en' });
const preferences = StorageManager.get('userPreferences', { theme: 'light' });
</script>

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Robust local storage wrapper with error handling and JSON serialization. Essential for persisting user preferences and form data.

23. Custom Search Functionality

$1</mark>'
  );
  element.innerHTML = highlightedText;
}

function removeHighlight(element) {
  if (element.dataset.originalText) {
    element.textContent = element.dataset.originalText;
  }
}

function updateNoResultsMessage(show) {
  let noResults = document.querySelector('.no-results');
  
  if (show && !noResults) {
    noResults = document.createElement('div');
    noResults.className = 'no-results';
    noResults.textContent = 'No results found';
    noResults.style.cssText = 'text-align: center; color: #666; padding: 20px;';
    document.querySelector('.search-container').appendChild(noResults);
  } else if (!show && noResults) {
    noResults.remove();
  }
}

// Initialize search
initSearch('#search-input', '.search-item');
</script>

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Comprehensive search functionality with text highlighting and no-results messaging. Perfect for filtering content, products, or team members.

Performance and SEO Optimization Snippets

24. Advanced Lazy Loading with Intersection Observer

<script>
function initAdvancedLazyLoading() {
  const images = document.querySelectorAll('img[data-src]');
  
  const imageObserver = new IntersectionObserver((entries, observer) => {
    entries.forEach(entry => {
      if (entry.isIntersecting) {
        const img = entry.target;
        img.src = img.dataset.src;
        img.classList.remove('lazy');
        observer.unobserve(img);
      }
    });
  }, {
    rootMargin: '50px 0px',
    threshold: 0.01
  });
  
  images.forEach(img => {
    imageObserver.observe(img);
  });
}

// Initialize lazy loading
if ('IntersectionObserver' in window) {
  initAdvancedLazyLoading();
}
</script>

‍

Modern lazy loading implementation using Intersection Observer API. More performant and customizable than basic lazy loading.

25. Critical Resource Preloading

<script>
function preloadCriticalResources() {
  const criticalResources = [
    { href: '/fonts/main-font.woff2', as: 'font', type: 'font/woff2', crossorigin: 'anonymous' },
    { href: '/images/hero-image.webp', as: 'image' },
    { href: '/css/critical.css', as: 'style' }
  ];
  
  criticalResources.forEach(resource => {
    const link = document.createElement('link');
    link.rel = 'preload';
    link.href = resource.href;
    link.as = resource.as;
    if (resource.type) link.type = resource.type;
    if (resource.crossorigin) link.crossOrigin = resource.crossorigin;
    document.head.appendChild(link);
  });
}

// Preload critical resources
preloadCriticalResources();
</script>

‍

Preloads critical resources to improve Core Web Vitals and user experience. Customize the resources array based on your specific needs.

26. Dynamic Schema Markup Generation

<script>
function generateArticleSchema(data) {
  const schema = {
    "@context": "https://schema.org",
    "@type": "Article",
    "headline": data.title,
    "author": {
      "@type": "Person",
      "name": data.author
    },
    "datePublished": data.publishDate,
    "dateModified": data.modifiedDate,
    "description": data.description,
    "mainEntityOfPage": {
      "@type": "WebPage",
      "@id": window.location.href
    }
  };
  
  const scriptTag = document.createElement('script');
  scriptTag.type = 'application/ld+json';
  scriptTag.textContent = JSON.stringify(schema);
  document.head.appendChild(scriptTag);
}

// Usage for CMS-driven pages
const articleData = {
  title: document.querySelector('h1').textContent,
  author: document.querySelector('.author').textContent,
  publishDate: document.querySelector('.publish-date').getAttribute('datetime'),
  modifiedDate: new Date().toISOString(),
  description: document.querySelector('meta[name="description"]').getAttribute('content')
};

generateArticleSchema(articleData);
</script>

‍

Automatically generates schema markup from page content. Essential for SEO and rich snippet appearance.

E-commerce and CMS Enhancements

27. CMS Collection Filtering

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