# CDNs and Global Ecommerce Performance

> A content delivery network stores and serves eligible content from locations closer to customers, reducing the distance data must travel, and the load placed on the origin server. For stores serving customers across regions, a CDN shortens page load times for static assets such as product images, scripts, styles, and fonts.

- Type: Merchant guide
- Level: Intermediate
- Reading time: About 6 minutes
- Audience: Written for store owners, builders, and designers refining high-performance ecommerce stores.
- Last updated: 2026-11-04
- Canonical page: https://academy.getzenbasket.com/merchant-questions/cdns-and-global-ecommerce-performance/
- Part of: [Merchant Questions](https://academy.getzenbasket.com/merchant-questions/) on ZenBasket Academy

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## What you need to know

### What is a CDN?

A content delivery network (CDN) is a distributed service that stores and serves eligible content from locations closer to customers. It can also route uncached requests to the store's origin.

### Does an ecommerce store need a CDN?

A CDN is useful for most stores serving customers across regions or delivering many images, scripts and styles. A small local store may see less benefit, but should still evaluate resilience, security and origin-load reduction.

### How does a CDN improve ecommerce performance?

A CDN shortens network distance for cached content and reduces repeated work at the origin. It can improve consistency across regions when cache rules and origin routing are configured correctly.

### What ecommerce content should a CDN cache?

Cache public static assets such as versioned scripts, styles, fonts, and product media for long periods. Public page content may use shorter caching, while carts, accounts, checkout and private responses must not enter a shared cache.

### Why is my website slower for international customers?

International customers may be farther from the origin, cross slower network routes or call services located in another region. Large uncached assets and location-specific third parties can magnify the delay.

### How do I improve ecommerce performance globally?

Serve safe static content through a well-covered CDN, compress transfers, reduce round trips and place critical application or data services appropriately. Test from real target markets and protect data consistency when adding regions.

### CDN vs web hosting: what's the difference?

Web hosting runs the origin application and stores its data; a CDN caches or routes eligible content near customers. The CDN complements hosting but does not replace the database, order processing or origin application.

### A quick store check

Test one important page from the store's three largest customer regions and compare origin time, CDN cache status and transferred bytes.

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## Frequently asked questions

### Does a CDN replace ecommerce hosting?

No. A CDN serves eligible content near customers; the origin still runs application and data work.

### Can a CDN safely cache account pages?

Not as shared public content. Customer-specific responses require strict privacy-aware controls or no shared caching.

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## Related learning path

- **Ecommerce Caching**
- **Ecommerce API Performance**
- [ZenBasket Build Guide](https://help.getzenbasket.com/zenbasket-builder/)