Submit a enquiry

    Back to all posts

    Zero Carbon Websites: Why and How to Build Them

    by Iain Thomson Project Lead

    The internet is a vital part of our daily lives, but it’s also a significant contributor to greenhouse gas emissions. In fact, it’s estimated that the internet accounts for around 3.7% of global greenhouse gas emissions, which is more than the entire aviation industry. As more people come online, the impact of websites on the environment is only going to increase. That’s why building zero carbon websites is so important.

    What are Zero Carbon Websites?

    Zero carbon websites are websites that produce no carbon emissions during their lifetime. This means that the website has been designed and built in a way that minimizes its impact on the environment. To achieve this, website owners need to consider the entire lifecycle of their website, from development and hosting to user engagement and maintenance.

    Why Build Zero Carbon Websites?

    There are several reasons why building zero carbon websites is important. Firstly, it helps to reduce the carbon footprint of the internet and contributes to the fight against climate change. Secondly, it can save businesses money by reducing their energy costs. Finally, it can help to attract environmentally conscious consumers who are looking for sustainable and ethical businesses to support.

    How to Build Zero Carbon Websites?

    So, how can you build a zero carbon website? Here are some tips:

    Optimise Website Performance

    The faster your website loads, the less energy it uses. You can optimize your website’s performance by using a content delivery network (CDN), compressing images and files, and minimizing the number of requests to the server. You can also use caching to store frequently accessed content, reducing the number of times it needs to be loaded.

    Reduce File Sizes

    Large files, such as images and videos, take longer to load and use more energy. By reducing file sizes, you can make your website more energy-efficient. You can do this by compressing images and videos, reducing the resolution, and using formats that are optimized for the web.

    Use Renewable Energy Sources

    If you have control over your website’s server, consider using renewable energy sources to power it. This could be solar, wind, or hydroelectric power. If you’re using a web host, ask them if they offer renewable energy options.

    Encourage Users to Reduce Their Digital Carbon Footprint

    Finally, encourage your website users to reduce their digital carbon footprint. This could be by promoting sustainable practices, such as using public transport instead of driving, or encouraging them to switch to a green web host.


    Building zero carbon websites is not only good for the environment but can also benefit businesses by reducing energy costs and attracting environmentally conscious consumers. By following the tips outlined above, you can create a website that is both efficient and sustainable. Let’s work together to make the internet a greener place.