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A fully responsive product carousel that adapts to different screen sizes. 
<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Product Carousel</title>
  <link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/kenwheeler/[email protected]/slick/slick.css"/>
  <link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/kenwheeler/[email protected]/slick/slick-theme.css"/>
  <style>
    .slider {
      width: 80%;
      margin: 50px auto;
    }
    .slick-slide {
      margin: 0 10px;
    }
    .slick-slide img {
      width: 100%;
      border-radius: 8px;
    }
  </style>
</head>
<body>
  <div class="slider product-slider">
    <div><img src="https://placehold.co/350x300?text=Product+1"></div>
    <div><img src="https://placehold.co/350x300?text=Product+2"></div>
    <div><img src="https://placehold.co/350x300?text=Product+3"></div>
    <div><img src="https://placehold.co/350x300?text=Product+4"></div>
    <div><img src="https://placehold.co/350x300?text=Product+5"></div>
    <div><img src="https://placehold.co/350x300?text=Product+6"></div>
    <div><img src="https://placehold.co/350x300?text=Product+7"></div>
    <div><img src="https://placehold.co/350x300?text=Product+8"></div>
  </div>

  <script src="https://code.jquery.com/jquery-3.7.1.min.js"></script>
  <script src="https://cdn.jsdelivr.net/gh/kenwheeler/[email protected]/slick/slick.min.js"></script>
</body>
</html>
This example shows 4 products on desktop, 3 on tablets, 2 on large phones, and 1 on small phones.

​
Example 2: Hero Slider with Fade

A full-width hero slider with fade transitions and autoplay. 
<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8">
  <link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/kenwheeler/[email protected]/slick/slick.css"/>
  <link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/kenwheeler/[email protected]/slick/slick-theme.css"/>
  <style>
    body { margin: 0; }
    .hero-slider { width: 100%; }
    .hero-slide {
      position: relative;
      height: 600px;
      background-size: cover;
      background-position: center;
    }
    .hero-content {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      text-align: center;
      color: white;
      text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    }
    .hero-content h1 { font-size: 48px; margin: 0; }
    .hero-content p { font-size: 24px; }
  </style>
</head>
<body>
  <div class="hero-slider">
    <div class="hero-slide" style="background-image: url('https://placehold.co/1920x600?text=Welcome')">
      <div class="hero-content">
        <h1>Welcome to Our Store</h1>
        <p>Discover amazing products</p>
      </div>
    </div>
    <div class="hero-slide" style="background-image: url('https://placehold.co/1920x600?text=Quality')">
      <div class="hero-content">
        <h1>Quality Products</h1>
        <p>Built to last</p>
      </div>
    </div>
    <div class="hero-slide" style="background-image: url('https://placehold.co/1920x600?text=Service')">
      <div class="hero-content">
        <h1>Exceptional Service</h1>
        <p>We're here to help</p>
      </div>
    </div>
  </div>

  <script src="https://code.jquery.com/jquery-3.7.1.min.js"></script>
  <script src="https://cdn.jsdelivr.net/gh/kenwheeler/[email protected]/slick/slick.min.js"></script>
</body>
</html>
Fade transitions work best with slidesToShow: 1 and create a smooth, elegant effect.
A center-focused gallery that shows partial views of adjacent slides. 
<!DOCTYPE html>
<html>
<head>
  <link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/kenwheeler/[email protected]/slick/slick.css"/>
  <link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/kenwheeler/[email protected]/slick/slick-theme.css"/>
  <style>
    body {
      margin: 0;
      padding: 50px 0;
      background: #f5f5f5;
    }
    .center-slider {
      width: 90%;
      margin: 0 auto;
    }
    .slick-slide {
      transition: all ease-in-out .3s;
      opacity: 0.5;
      transform: scale(0.9);
    }
    .slick-slide img {
      width: 100%;
      border-radius: 10px;
      box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    }
    .slick-center {
      opacity: 1;
      transform: scale(1);
    }
  </style>
</head>
<body>
  <div class="center-slider">
    <div><img src="https://placehold.co/400x300?text=Slide+1"></div>
    <div><img src="https://placehold.co/400x300?text=Slide+2"></div>
    <div><img src="https://placehold.co/400x300?text=Slide+3"></div>
    <div><img src="https://placehold.co/400x300?text=Slide+4"></div>
    <div><img src="https://placehold.co/400x300?text=Slide+5"></div>
    <div><img src="https://placehold.co/400x300?text=Slide+6"></div>
    <div><img src="https://placehold.co/400x300?text=Slide+7"></div>
  </div>

  <script src="https://code.jquery.com/jquery-3.7.1.min.js"></script>
  <script src="https://cdn.jsdelivr.net/gh/kenwheeler/[email protected]/slick/slick.min.js"></script>
</body>
</html>

Desktop View

Shows 3 slides with the center one highlighted

Mobile View

Shows 1 slide with small padding revealing adjacent slides

​
Example 4: Synced Sliders (Product with Thumbnails)

Product display with main image and thumbnail navigation. 
<!DOCTYPE html>
<html>
<head>
  <link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/kenwheeler/[email protected]/slick/slick.css"/>
  <link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/kenwheeler/[email protected]/slick/slick-theme.css"/>
  <style>
    .product-display {
      width: 600px;
      margin: 50px auto;
    }
    .slider-for {
      margin-bottom: 15px;
    }
    .slider-for img {
      width: 100%;
      border-radius: 8px;
    }
    .slider-nav img {
      width: 100%;
      cursor: pointer;
      opacity: 0.6;
      border: 2px solid transparent;
      border-radius: 4px;
      transition: all 0.3s;
    }
    .slider-nav .slick-current img {
      opacity: 1;
      border-color: #333;
    }
  </style>
</head>
<body>
  <div class="product-display">
    <!-- Main Image Slider -->
    <div class="slider slider-for">
      <div><img src="https://placehold.co/600x400?text=Product+View+1"></div>
      <div><img src="https://placehold.co/600x400?text=Product+View+2"></div>
      <div><img src="https://placehold.co/600x400?text=Product+View+3"></div>
      <div><img src="https://placehold.co/600x400?text=Product+View+4"></div>
      <div><img src="https://placehold.co/600x400?text=Product+View+5"></div>
    </div>

    <!-- Thumbnail Navigation -->
    <div class="slider slider-nav">
      <div><img src="https://placehold.co/140x100?text=Thumb+1"></div>
      <div><img src="https://placehold.co/140x100?text=Thumb+2"></div>
      <div><img src="https://placehold.co/140x100?text=Thumb+3"></div>
      <div><img src="https://placehold.co/140x100?text=Thumb+4"></div>
      <div><img src="https://placehold.co/140x100?text=Thumb+5"></div>
    </div>
  </div>

  <script src="https://code.jquery.com/jquery-3.7.1.min.js"></script>
  <script src="https://cdn.jsdelivr.net/gh/kenwheeler/[email protected]/slick/slick.min.js"></script>
</body>
</html>
1

Create two sliders

One for main display, one for thumbnails
2

Link with asNavFor

Point each slider to the other using the asNavFor option
3

Enable focusOnSelect

Allow clicking thumbnails to change the main image

​
Example 5: Vertical Slider

A vertical scrolling carousel based on the demo from index.html. 
<!DOCTYPE html>
<html>
<head>
  <link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/kenwheeler/[email protected]/slick/slick.css"/>
  <link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/kenwheeler/[email protected]/slick/slick-theme.css"/>
  <style>
    body {
      display: flex;
      justify-content: center;
      align-items: center;
      min-height: 100vh;
      margin: 0;
      background: #f0f0f0;
    }
    .vertical-slider {
      width: 400px;
      height: 500px;
    }
    .slick-slide {
      transition: all ease-in-out .3s;
      opacity: 0.5;
    }
    .slick-slide img {
      width: 100%;
      border-radius: 8px;
    }
    .slick-current {
      opacity: 1;
    }
  </style>
</head>
<body>
  <div class="vertical-slider">
    <div><img src="https://placehold.co/350x150?text=Slide+1"></div>
    <div><img src="https://placehold.co/350x150?text=Slide+2"></div>
    <div><img src="https://placehold.co/350x150?text=Slide+3"></div>
    <div><img src="https://placehold.co/350x150?text=Slide+4"></div>
    <div><img src="https://placehold.co/350x150?text=Slide+5"></div>
    <div><img src="https://placehold.co/350x150?text=Slide+6"></div>
    <div><img src="https://placehold.co/350x150?text=Slide+7"></div>
  </div>

  <script src="https://code.jquery.com/jquery-3.7.1.min.js"></script>
  <script src="https://cdn.jsdelivr.net/gh/kenwheeler/[email protected]/slick/slick.min.js"></script>
</body>
</html>
Make sure to set a fixed height on your slider container when using vertical mode.
Based on the lazy loading example from index.html:289-309. 
<!DOCTYPE html>
<html>
<head>
  <link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/kenwheeler/[email protected]/slick/slick.css"/>
  <link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/kenwheeler/[email protected]/slick/slick-theme.css"/>
  <style>
    .lazy-slider {
      width: 80%;
      margin: 50px auto;
    }
    .slick-slide img {
      width: 100%;
      border-radius: 8px;
    }
    .slick-loading img {
      opacity: 0;
    }
  </style>
</head>
<body>
  <div class="lazy-slider" data-sizes="50vw">
    <div>
      <img 
        data-lazy="https://placehold.co/350x300?text=Image+1" 
        data-srcset="https://placehold.co/650x300?text=Image+1-650w 650w, https://placehold.co/960x300?text=Image+1-960w 960w" 
        data-sizes="100vw"
      >
    </div>
    <div>
      <img 
        data-lazy="https://placehold.co/350x300?text=Image+2" 
        data-srcset="https://placehold.co/650x300?text=Image+2-650w 650w, https://placehold.co/960x300?text=Image+2-960w 960w" 
        data-sizes="100vw"
      >
    </div>
    <div>
      <img 
        data-lazy="https://placehold.co/350x300?text=Image+3" 
        data-srcset="https://placehold.co/650x300?text=Image+3-650w 650w, https://placehold.co/960x300?text=Image+3-960w 960w" 
        data-sizes="100vw"
      >
    </div>
    <div>
      <img 
        data-lazy="https://placehold.co/350x300?text=Image+4" 
        data-srcset="https://placehold.co/650x300?text=Image+4-650w 650w, https://placehold.co/960x300?text=Image+4-960w 960w" 
        data-sizes="100vw"
      >
    </div>
    <div>
      <img 
        data-lazy="https://placehold.co/350x300?text=Image+5" 
        data-srcset="https://placehold.co/650x300?text=Image+5-650w 650w, https://placehold.co/960x300?text=Image+5-960w 960w" 
        data-sizes="100vw"
      >
    </div>
    <div>
      <img 
        data-lazy="https://placehold.co/350x300?text=Image+6" 
        data-srcset="https://placehold.co/650x300?text=Image+6-650w 650w, https://placehold.co/960x300?text=Image+6-960w 960w"
      >
    </div>
  </div>

  <script src="https://code.jquery.com/jquery-3.7.1.min.js"></script>
  <script src="https://cdn.jsdelivr.net/gh/kenwheeler/[email protected]/slick/slick.min.js"></script>
</body>
</html>
Images load as you navigate to them, improving initial page load performance. The data-sizes attribute can be inherited from the parent slider.

​
Configuration Comparison

FeatureExample 1Example 2Example 3Example 4Example 5Example 6
Use CaseProductsHeroGalleryProduct DetailVertical FeedPerformance
Responsive✅❌✅❌❌✅
Autoplay❌✅❌❌❌❌
Fade❌✅❌✅❌❌
Center Mode❌❌✅❌✅❌
Synced❌❌❌✅❌❌
Vertical❌❌❌❌✅❌
Lazy Load❌❌❌❌❌✅
All examples are production-ready and can be customized to match your design requirements.

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