What Is WooCommerce
How WooCommerce Turns WordPress Into a Shop
What is WooCommerce? It is a free, open-source ecommerce plugin for WordPress, the content management system used by many websites. A plugin is an add-on that extends the software. Once installed, WooCommerce adds product pages, a shopping cart, checkout and order management to a WordPress site. The plugin itself costs nothing to download, but running a store still involves hosting, a domain name, themes, extensions and payment fees.
WooCommerce does not replace WordPress. WordPress still manages pages, blog posts and the theme, while WooCommerce adds the commerce features. This is why it appeals to businesses that already run a content-heavy site and want to add a shop without moving to a new system. For how it compares with a hosted option, see WooCommerce vs Shopify.
What WooCommerce Stores in Your Database
A WordPress site keeps its content in a MySQL or MariaDB database, which is a structured store for site data. WooCommerce adds its own data to that database: products and variations, orders, customers, tax settings, coupons and shipping zones. Older versions stored orders as WordPress posts. Newer versions can keep orders in dedicated tables, which are designed for faster order queries.
This matters for hosting. Each product page, cart update and checkout reads or writes this data, so the database and PHP processing need enough capacity. A catalog or order volume that is fine for a brochure site can slow a shop that runs on basic hosting. The requirements are explained in ecommerce hosting requirements.
A Florist Adds a Shop to an Existing Site
A florist already runs a WordPress site with photos and a blog. She installs WooCommerce, adds bouquets as products with size options, and connects a payment extension. Later she pays a developer to add a delivery-date picker, because the core plugin does not handle same-day cut-off times. The example shows the usual pattern: WooCommerce covers the basics, and extensions fill in the specific needs of each business.
Frequently asked questions
Is WooCommerce free?
The WooCommerce plugin is free and open source, so installing it costs nothing. Running a store still costs money for hosting, a domain, a theme, payment processing and any paid extensions or developer time. For many stores, those running costs are the largest part of the budget.
Does WooCommerce work without WordPress?
No. WooCommerce is a plugin, so it needs a WordPress installation to run. If you want a shop that runs without a content management system, a standalone platform such as PrestaShop, or a hosted service, may suit you better. Each approach has its own trade-offs.