Eleventy Starter With Tailwind CSS and Alpine.js

What Is Eleventy and Why Use It

Eleventy (11ty) is a simpler static site generator that focuses on flexibility and performance. Unlike other frameworks that bundle complex tooling, Eleventy works with multiple template languages and produces static HTML files ready for deployment.

Key Benefits of Eleventy

• Zero client-side JavaScript by default - Your site loads pure HTML and CSS
• Multiple template language support - Use Nunjucks, Markdown, HTML, or others
• Flexible configuration - Configure exactly what you need through .eleventy.js
• Excellent performance - Static HTML means instant page loads
• Growing ecosystem - Active community with plugins and starter templates

Eleventy has gained popularity among developers who value simplicity and performance over complex tooling. For teams building content-focused sites, this approach eliminates the overhead of server-side rendering while maintaining excellent developer experience. When combined with our web development services, you can leverage this technology stack for blogs, documentation sites, and marketing pages that prioritize speed and SEO performance.

Eleventy vs Next.js: Understanding the Differences

Both Eleventy and Next.js are excellent choices for modern web development, but they serve different philosophies and use cases. Understanding these differences helps you choose the right tool for your project.

Eleventy Approach

• Pure static site generation
• Configuration-first mindset
• Template language flexibility with Nunjucks, Markdown, Liquid
• Minimal complexity for content sites
• No required JavaScript on the client
• Smaller bundle size and faster build times

Next.js Approach

• Supports SSG, SSR, and ISR options
• Convention-over-configuration with React-based architecture
• Built-in API routes and serverless functions
• Larger ecosystem for complex applications
• React component reusability across projects

At Digital Thrive, we use Next.js as our standard stack for projects requiring React components and server-side capabilities. However, Eleventy remains an excellent choice for content-focused sites prioritizing simplicity and raw performance, such as blogs, documentation, and marketing sites where full React functionality isn't necessary.

Setting Up Eleventy With Tailwind CSS

Integrating Tailwind CSS with Eleventy requires a few configuration steps to ensure proper CSS processing and hot reloading during development. This setup creates a powerful combination of flexible templating with utility-first styling. For teams new to Tailwind, understanding how CSS classes combine can help you create maintainable style patterns.

Installation Steps

1. Initialize your project

npm init -y
npm install @11ty/eleventy tailwindcss@latest autoprefixer postcss postcss-cli

2. Create Tailwind configuration with content paths pointing to your Eleventy output:

module.exports = {
content: ['_site/**/*.html'],
theme: {
extend: {}
},
plugins: [],
}

3. Configure Eleventy to watch Tailwind files and output CSS to your build directory. Set up your .eleventy.js to pipe CSS through PostCSS and watch for changes during development.

4. Add npm scripts to package.json for development and production builds, combining Eleventy's build command with Tailwind's CSS generation and minification.

Adding Alpine.js for Lightweight Interactivity

Alpine.js provides a declarative way to add interactivity to static sites without the overhead of a full JavaScript framework. It bridges the gap between vanilla JavaScript and larger frameworks like React or Vue.

Why Alpine.js Works Well With Eleventy

• Tiny footprint - Only ~15KB gzipped, minimal impact on page load
• Declarative syntax - Similar to Vue but for vanilla HTML templates
• No build step required - Can use via CDN or npm for local bundling
• Perfect for progressive enhancement - Enhance static HTML with behavior progressively

Common Alpine Patterns

• Dropdown menus and navigation toggles
• Modal dialogs and side drawers
• Form validation feedback and state management
• Interactive cards and UI components
• State-driven UI elements without React complexity

<div x-data="{ open: false }">
 <button @click="open = !open">Toggle Menu</button>
 <div x-show="open" x-transition>Content here</div>
</div>

Alpine is ideal when you need light interactivity without the complexity of React or Vue. For complex client-side applications requiring extensive state management, Next.js with React remains our recommended approach.

Performance Optimization Strategies

The Eleventy + Tailwind + Alpine stack naturally produces highly performant websites, but strategic optimization ensures you get the best results for your users. Fast-loading sites directly impact your search engine rankings, making this stack particularly valuable for content-driven businesses.

CSS Optimization

• PurgeCSS automatically removes unused Tailwind utilities in production builds
• Minification reduces CSS file size significantly, often by 50% or more
• Critical CSS can be inlined in the head for faster first paint on initial page load

JavaScript Optimization

• Load Alpine.js locally rather than from CDN for consistent caching and reliability
• Defer non-critical JavaScript execution to prioritize above-the-fold content
• Keep custom JavaScript minimal and focused on specific functionality

Static Site Performance Benefits

• No server-side processing at request time means instant page delivery
• CDN caching enables global edge delivery with low latency
• Smaller attack surface without database or server code exposed to visitors
• Instant page loads with proper cache headers configured on your CDN

Typical Lighthouse scores for well-optimized Eleventy sites range from 95-100 across Performance, Accessibility, Best Practices, and SEO categories, outperforming many dynamically rendered alternatives.

Sources

1. CSS-Tricks: An Eleventy Starter with Tailwind CSS and Alpine.js - Comprehensive tutorial covering setup and integration patterns
2. Eleventy Official Documentation - Official documentation for Eleventy static site generator
3. 11ty TEA Starter GitHub Repository - Popular starter template with Tailwind 3 and AlpineJS 3