This plugin hasn’t been tested with the latest 3 major releases of WordPress. It may no longer be maintained or supported and may have compatibility issues when used with more recent versions of WordPress.



This plugin will embed the external Zifera script in the footer of your WordPress website. The Zifera script contains a small piece of code that sends the current page URL to the Zifera server to calculate the carbon footprint. This request is completely anonymous and does not contain any personal information. The only data sent is the URL of the page that your website visitor is on. It is compliant with the GDPR law and does not even require a cookie banner. You can read more about Zifera and how it works on You can also view our privacy policy here:


  1. Install the plugin
  2. in WordPress admin, go to settings and click Zifera
  3. Enter the key that you were given during the Zifera signup
  4. Tick enable to enable the plugin
  5. Click “Save changes” to apply


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Contributors & Developers

“Zifera” is open source software. The following people have contributed to this plugin.


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Browse the code, check out the SVN repository, or subscribe to the development log by RSS.


= 1.0.1=
* Fixed logo not displaying on settings page


  • Initial release