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A leading voice in digital sustainability

I work with sustainable web design and development across Scandinavia. As an author, speaker, and consultant, I help businesses build digital products that are fast, green, and made to last.

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Michael Andersen portrait

What I do

Building a more sustainable internet

I help businesses across Scandinavia build digital products that are fast, accessible, and kind to the planet. Everything I do connects back to one idea: making the internet work better for people and the environment.

I founded Sustainable WWW Sweden AB to turn that idea into real work. Through the company, I design and build sustainable websites and web applications for clients who take their digital footprint seriously. I also consult with teams who want to lower the environmental cost of their digital products, and I teach sustainable web design and ethical design practices to developers and designers.

Writing is another big part of what I do. My first book, Sustainable Web Design In 20 Lessons, is a practical guide to greener websites. I am currently writing my second book, The Slow Developer, about slowing down and building software with more intention. I regularly speak at conferences, webinars, and podcasts to help more people understand what a sustainable web looks like in practice.

The practice

Sustainability in practice

Digital sustainability means building websites and apps that do more with less — less data, less energy, less friction for the user. The internet accounts for roughly 4% of global carbon emissions, a figure that continues to grow as more of life moves online. Every byte transferred requires electricity somewhere; every unnecessary resource loaded is a small environmental cost multiplied at global scale.

My approach is grounded in three things: performance-first development, accessible design, and honest engineering. When a site loads twice as fast, it uses half the energy. When it works for everyone without workarounds, the web gets a little simpler. That is not idealism — that is just careful craft.