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Content Delivery Network

Many online services use a content distribution network (CDN) to deliver photos and other files as fast as possible. This improves site speed, which is a metric used by Google and other search engines as a ranking factor for search results.  

CDN distribution works by keeping copies of commonly used photos and files simultaneously hosted at several data centers (nodes) around the world. Those photos and files are delivered by the node closest to the shopper, decreasing the distance they have to travel, thus making the site load faster. In this way, your store loads just as fast in Asia as it does in North America, improving the storefront shopping experience.

Currently, BigCommerce has CDN nodes in London, Los Angeles, New York, Sydney, Tokyo, Sao Paulo, Hong Kong, and Singapore.

We recommend taking advantage of the BigCommerce CDN if you want to customize your store's design. Refer to our developer documentation if you are using a Stencil theme, or Referencing Assets in a Theme for the proper format and syntax for Blueprint themes.

Improving Image Load Speed

Slower image load speeds can be caused at times by the shopper's own Internet Service Provider (ISP) or due to javascript code. It's recommended to use a page load testing site like WebPageTest for further investigation. BigCommerce uses Akamai Image Manager to further ensure that images are optimized for best performance. 

See the BigCommerce Community's Themes and Design for more discussion on improving page load speed.

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