What WooCommerce is
WooCommerce is an open-source e-commerce plugin for WordPress. Install WordPress, install the WooCommerce plugin, and the WordPress site becomes an online store. Owned by Automattic (also behind WordPress.com), WooCommerce powers a substantial share of small and mid-market online stores globally, particularly long-tail merchants outside the Shopify ecosystem.
The fundamental difference from Shopify is hosting: WooCommerce is self-hosted, meaning the merchant is responsible for the WordPress installation, the database, the server, security updates, plugin compatibility, and performance. That trade-off, more flexibility and lower per-month cost, but more operational responsibility, defines who chooses WooCommerce.
Where it works best
- Small to mid-market stores with limited budget for managed-platform fees
- Content-led commerce where WordPress’s content management is a core asset
- Merchants requiring deep customisation that Shopify’s app model doesn’t easily support
- Regions where Shopify has weaker presence and WordPress hosting ecosystems are mature
Less effective: high-volume stores where infrastructure complexity becomes a burden, or merchants without technical resources to manage hosting and updates.
The plugin ecosystem
WooCommerce extensibility runs through WordPress plugins. There are thousands, payment gateways, shipping integrations, subscriptions, marketing, analytics. Quality varies enormously: official Automattic plugins are well-maintained. Many third-party plugins are abandoned, security-vulnerable, or poorly compatible with WordPress updates.
Common patterns:
- Stripe or PayPal for payments
- Subscription plugins for recurring revenue (WooCommerce Subscriptions or alternatives)
- WP Rocket or similar for performance optimisation
- Yoast for SEO
- Server-side tracking plugin for resilient conversion measurement
Tracking and conversion reliability
WooCommerce’s client-side tracking is particularly vulnerable to broken pixels, ad blockers, and inconsistent plugin behaviour. Many stores instrumented years ago have silently degrading conversion data.
The reliable pattern: WooCommerce webhooks → server-side tracking → CAPI / Enhanced Conversions / TikTok Events API. Order data flows from WooCommerce server-side, not from the browser pixel, restoring the 30-40% of conversions modern client-side tracking loses.
FAQ about WooCommerce
Is WooCommerce free?
The core plugin is free and open-source. Costs come from hosting (a few dollars per month for small stores, hundreds for high-traffic ones), premium plugins, themes, and any managed services or developers you hire. Total cost of ownership for mid-market stores often approaches Shopify subscription pricing.
WooCommerce vs Shopify, which should I choose?
Shopify if you want the platform to handle infrastructure, security, and updates so you can focus on selling. WooCommerce if you want deep customisation, content-led commerce, or have technical resources and want lower per-month platform cost. Most new stores in 2026 start with Shopify. Many established WordPress-heavy businesses stay on WooCommerce.
How do I track WooCommerce conversions reliably?
Server-side tracking via WooCommerce webhooks is the resilient pattern. Pixel-only tracking on WooCommerce loses significant data to ad blockers and ITP. Webhook-based server-side conversion forwarding to ad platforms restores the data and survives client-side tracking failures.