CakePHP CDN integration

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 CakePHP

Define CDN in Bootstrap

Add the following to the CakePHP's Config/bootstrap.php file.

Configure::write('App.imageBaseUrl', '');    
Configure::write('App.cssBaseUrl', '');    
Configure::write('App.jsBaseUrl', '');

Use the HTML helper for images

<?php echo $this->Html->image('image.jpeg', array('alt' => 'Image Alt')); ?>

will output

<img src="" alt="Image Alt" />

Use the HTML helper for CSS

<?php echo $this->Html->css('style'); ?>

will output

<link rel="stylesheet" type="text/css" href="" />

Use the HTML helper for JavaScripts

<?php echo $this->Html->script('script'); ?>

will output

<script type="text/javascript" src=""></script>


  • 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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