Support » Plugin: WP Super Cache » Using CDN with WP Super Cache

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  • The CDN option in WP Super Cache plugin is designed to work with “origin-pull” method. What you described is called “origin-push”. So, no, it doesn’t work the way you expected.

    However, CloudFront supports origin-pull method too. So, yes, it works with Amazon CDN, just not the way you described.

    That said, I haven’t come across a plugin that automatically uploads all existing images to Amazon S3 and then distribute it via CloudFront. Existing plugins can only upload the new images, not the existing images.

    Why would you want to use Amazon S3, when CloudFront (WP Super Cache here) can work without Amazon S3?

    Actually, w3 total cache does a great job by uploading your stuff to Amazon S3 and serving it via CLoudFront. But for some reason I switched to WP Super Cache long time ago and wasnt planning to go back to W3 total cache.

    So my initial problem is – how to keep data synchronised between my site with Super Cache and Amazon CDN

    Or maybe I’m getting a concept of CDN totally wrong. In my belief is that I have to upload my files somewhere in order for them to be distributed faster for my users. How does CloudFront works without S3?

    In my belief is that I have to upload my files somewhere in order for them to be distributed faster for my users.

    No. There is no need to upload files.

    How does CloudFront works without S3?

    It’s called origin-pull technique. In general, the assets / images are fetched on the fly from a website and then kept stored within CloudFront for delivery. There are people who have written in-depth articles on this and those articles can explain better than me. Please use your favourite search engine to find more about “origin-pull cdn”.

    Thanks for the clarification! So I will probably get back to WP Super Cache and explore origin-pull a bit deeper. Thanks!

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