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OneCSS: Unify & Optimize CSS Across Your PrestaShop Frontend

$90.00

Significantly improves PrestaShop performance and above the fold page render. Learn more

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Simplify. Accelerate. Optimize.

PrestaShop’s built-in CCC (Combine, Compress, Cache) system often generates separate CSS files for different page types—undermining caching efficiency and causing unnecessary reloads of the same styles. That’s where OneCSS comes in.

This powerful module merges all your theme and module CSS into a single, unified CSS file, dramatically reducing HTTP requests, improving cache behavior, and delivering faster load times across your entire shop.

Whether you're aiming to optimize mobile speed, reduce render-blocking resources, or boost Core Web Vitals, OneCSS is a lightweight, high-impact solution for every PrestaShop store.


Key Features:

  • 🧩 Combine All CSS Files into One across all front-end pages

  • Reduce Load Time & Boost PageSpeed Scores

  • 🔁 Consistent CSS Delivery – homepage, category, product, and CMS pages all load the same optimized CSS

  • 📦 Enhanced Cacheability – your browser caches once, reuses everywhere

  • 🔍 Easy Compatibility Check (see below)

  • 🛠️ Non-Invasive – works with most themes and modules

  • 🔧 Quick Setup – install and configure in minutes


How to Know if Your Shop Loads Multiple CCC CSS Files (and Why It’s a Problem):

You might not even realize your shop is loading different CSS files for each page type. Here’s how to check:

  1. Open your homepage in Chrome (or any browser)

  2. Right-click and select “View Page Source”

  3. Locate and note the name of the CCC .css file

  4. Now open a category page, view its source, and compare

  5. If the CCC .css filenames are different, your browser reloads each file—even if most of the CSS was already loaded.

This slows down your site unnecessarily. OneCSS solves this by unifying the styles into one optimized file across all pages.


Install OneCSS today and deliver a faster, smarter browsing experience for your customers—while improving SEO and conversions.

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OneCSS: Unify & Optimize CSS Across Your PrestaShop Frontend

$90.00