CSS Skeleton Loaders 🦴

Premium, Hardware-Accelerated animated skeleton loading states in pure Vanilla CSS.

Features

• Zero JS Dependencies: Purely CSS based structure. No heavy JavaScript execution.
• Hardware Accelerated: Uses CSS linear-gradient animations for smooth 60fps performance without triggering layout paints.
• Auto Dark Mode: Built-in prefers-color-scheme: dark media queries map instantly to dark environments.
• Micro-class Utilities: Classes like .skeleton-text, .skeleton-circle, and .skeleton-thumbnail drop into any layout.

Installation

Include the raw CSS file into your bundle or HTML document:

<link rel="stylesheet" href="path/to/skeleton.css">

Usage

Construct a skeleton matching your intended UI layout by applying the .skeleton class.

Article Card Example

<div class="skeleton-card">
  <!-- Avatar -->
  <div class="skeleton skeleton-circle" style="width: 50px; height: 50px;"></div>
  
  <!-- Content Lines -->
  <div class="skeleton skeleton-text"></div>
  <div class="skeleton skeleton-text"></div>
  <div class="skeleton skeleton-text" style="width: 80%;"></div>
</div>

Why Skeleton Loaders Boost SEO & UX

Instead of showing users a blank screen or a spinning wheel (which increases perceived load time and bounce rate), skeleton screens give users immediate visual feedback that content is arriving. This drastically improves the "Cumulative Layout Shift" (CLS) metric in Google Core Web Vitals, leading directly to higher search engine rankings.

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