Building a Next-Gen WooCommerce Plugin in 2026: Escaping jQuery with React 18 & Tailwind

For years, WordPress plugin development has been synonymous with legacy PHP, jQuery, and deeply nested HTML spaghetti. But the ecosystem is evolving. With modern setups and performance-focused stores taking over, it’s time our plugins evolved too.

I recently launched CartLane, a conversion optimization toolkit for WooCommerce. Instead of duct-taping multiple plugins together, I wanted to create an all-in-one solution (Side Cart, Order Bumps, Abandoned Cart Recovery). But more importantly, I wanted to build it with a modern tech stack.

Here is how I dropped the legacy bloat and built a modern Single Page Application (SPA) inside the WordPress dashboard.

1. Zero jQuery on the Frontend
   Most WooCommerce plugins enqueue heavy jQuery libraries for simple interactions like opening a side cart or adding an order bump. I rewrote the entire frontend experience using Vanilla JS and modern CSS. The result? A blazing-fast AJAX side cart that slides in instantly without tanking the Core Web Vitals.

2. A Pure React 18 Admin SPA
   I was tired of page reloads every time I clicked a settings tab. So, I completely bypassed the traditional PHP admin screens. CartLane’s backend is a pure React 18 SPA styled with Tailwind CSS and shadcn/ui.

By implementing React Router inside the WP admin menu, moving between the Analytics, Settings, and Order Bumps feels like using a standalone SaaS app rather than a typical WP backend.

1. Full HPOS Compatibility With WooCommerce pushing High-Performance Order Storage (HPOS), I ensured the architecture was fully compatible from day one. The plugin runs seamlessly with modern database structures.

I'd love your feedback!
If you are a React developer working in the WordPress ecosystem, I would love for you to check out the codebase and architecture. You can see the open-core version in action here:

🔗 CartLane on WordPress.org

Has anyone else experimented with fully headless admin interfaces for their WP plugins? I'd love to share some code snippets on how I handled nonce security and REST routing if anyone is interested. Let's discuss in the comments! 👇