concrete5 CDN integration


Concrete5 is an open source content management system designed for publishing content. It was designed for those users who have a minimum technical skill and gives them an opportunity to edit site content directly from the page. This CMS is chosen because:

  • You can easily modify and distribute its code without worrying about licensing fees.
  • It offers the ability to drag and drop content blocks within a template.
  • It possesses loads of SEO tools.

To speed up Concrete5, use a CDN option. Here are some detailed instructions on how to integrate Concrete5 with CDN.

Before you start

  • Before you take any steps please back up your files and database.
  • In the following, we will integrate a CDN service using the CDN domain Please visit the Services/How-To section to obtain your CDN domain.
  • To integate a CDN service on https:// website you can use or you can use a custom CDN domain with SSL enabled.
  • If your website embeds custom fonts then please first enable CORS for them.
  • Before you take any steps please make sure that your CDN domain is ready-to-use here.

Create CDN Static service

Please refer to Creating a CDN Static service for more details.

Enable CDN in concrete5

  1. Log in to your concrete5 backend.
  2. Install one of the following CDN add-ons and during installation fill in your CDN domain
    1. CDN Manager
    2. Content Delivery Network (CDN)
  3. That's all.


  • View HTML source code of your web pages to verify that you are using CDN, you should see source attribute of your images, CSS, JavaScript, etc. beginning with your CDN domain.
  • Don't see your CDN domain in source code of your web pages? If your website is using any cache plug-in/mechanism then you might want to clear/flush its cache.
  • Having troubles with custom fonts? Please refer to Using custom fonts with CDN - setting CORS for more details.
  • Still having troubles? Check your CDN URLs in our CDN content check or please refer to Debugging a CDN service for more hints.

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