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  • Writer's pictureFatine Sefrioui

How to calculate and improve the carbon footprint of your Wix site?

Updated: Mar 4

The carbon impact of a website is mainly due to the electricity consumption needed to operate the servers hosting the site and for the transfer of data between users and servers. This electricity consumption leads to greenhouse gas emissions, including carbon dioxide (CO2), often from fossil energy sources. In addition, the use of resources such as bandwidth and data storage can also contribute to carbon emissions. Key factors influencing a site’s carbon footprint include the energy efficiency of the equipment, the size of files and images, and the data traffic generated. Reducing these factors and opting for eco-responsible practices can reduce the carbon impact of a website.


To calculate and improve a site’s carbon footprint (Wix, Wordpress, Shopify...), you can follow these steps:

1) Calculate the initial carbon balance:

-Evaluate the energy consumption of your Wix site by considering the servers hosting the site, data transfer, and the use of resources such as bandwidth.

-Identify the main greenhouse gas emission factors related to the operation of your site, such as electricity

consumption and CO2 emissions generated by the servers.

2) Measure the impact of related activities:

-Consider all of your digital activity, including computers used to manage the site, travel related to meetings or promotional events, as well as all of the external services and tools used.

3) Identify areas for improvement:

-Analyze the results of your calculation to identify the areas that generate the most carbon emissions.

Focus on aspects such as the energy efficiency of your site, optimizing images and files, reducing unnecessary scripts and plugins, and minimizing data traffic.

4- Take action to reduce the carbon footprint of your Wix site:

-Opt for greener servers or use green hosting services.

-Improve the energy efficiency of your site by using techniques such as caching, file compression and code minification.

-Reduce the size of images and optimize them for the web and limit large videos.

-Only install the Wix applications necessary for your site to function and uninstall those you do not use.

-Encourage data traffic reduction by using dynamic pages rather than duplicating pages, sections or bands.

5) Offset remaining emissions:

-Once you’ve reduced the carbon footprint of your Wix site as much as possible, consider offsetting the remaining emissions by investing in carbon reduction projects, such as reforestation or renewable energy projects.

Une fois que vous avez réduit l’empreinte carbone de votre site Wix autant que possible, envisagez de compenser les émissions restantes en investissant dans des projets de réduction du carbone, comme le reboisement ou les projets d’énergie renouvelable.

Know that there are labels to certify the carbon trajectory of your site: Label Low Carbon proposed by the French association, Certification CarbonNeutral issued by the independent body, Natural Capital PartnersLabel Clef Verte Numérique.

There are several tools to measure your website’s carbon footprint. Here are a few:

  1. Website Carbon Calculator : For the Agence Écologique the best tool and the best starting point to test the carbon footprint of your website is the Website Carbon Calculator designed by WholeGrain Digital.

  2. Ecograder : Ecograder is a free online tool to evaluate the environmental performance of a website.

  3. Google PageSpeed Insights : Google PageSpeed Insights is a free tool to analyze the loading speed and performance of a website.

  4. Karma Metrix : Karma Metrix is an online tool for measuring the environmental impact of a website in terms of greenhouse gas emissions.

  5. Digital Beacon : Digital Beacon is an online tool for measuring the environmental impact of a website in terms of greenhouse gas emissions.


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