Build greener websites without compromising performance


As a sustainable web developer, I combine clean code, performance optimization, and green hosting to create websites that are not only fast and user-friendly but also better for the planet. Whether you’re launching a new project or want to reduce the environmental impact of your current site, I’ll help you build a digital presence that reflects both your values and your business goals.

Understanding the impact of sustainable web development

What web sustainability really means

💡Did you know?

If the internet were a country, it would be the 7th largest polluter in the world, accounting for around 3.7% of global CO2 emissions—more than the entire airline industry.

Web sustainability is about designing and developing websites that are environmentally responsible, energy-efficient, and accessible to all. It involves reducing unnecessary data transfer, optimizing performance, and making conscious decisions about hosting, design, and user experience. A sustainable website loads faster, uses less energy, and contributes to a healthier digital ecosystem—while still achieving its business goals. As the internet continues to grow, these small improvements can lead to significant positive change.

Every website visit consumes electricity—on the user’s device, in data centers, and across networks. The more bloated a website is, the more resources it requires to deliver content. Web sustainability challenges the trend of ever-growing digital footprints by promoting efficiency at every level: from clean code and compressed images to minimalist design and green hosting. It’s not just a technical improvement—it’s a mindset shift toward digital responsibility.

How I build websites that are better for people and the planet?

Core principles of my development approach

🧩 Lightweight code

I write clean, modular code to reduce unnecessary bloat and processing.

⚡ Performance-driven

I prioritize fast loading times to improve UX and reduce energy consumption.

📱 Mobile-first & accessible

Every user matters, so I design with mobile and accessibility in mind from the start.

🌿 Eco-conscious hosting

I host websites on green data centers powered by renewable energy.

🧠 UX with purpose 

I simplify user journeys to avoid wasted clicks and reduce carbon-heavy interactions.

🔧 Optimized assets 

I compress images, load only what’s needed, and cut down on third-party scripts.

📉 CO2 impact monitoring

I track website emissions using tools like my own calculator and make it measurable.

🔁 Continuous improvement 

Web sustainability is an ongoing effort—I make sure your site evolves responsibly.

Flexible, modern tools — always chosen with sustainability in mind

I work with the right technologies for each project


Sustainable web development isn’t about sticking to a single platform or framework. It’s about choosing the right tools for the job—tools that balance performance, flexibility, and environmental impact. Whether it’s a custom WordPress build, a HubSpot CMS project, or a lightweight static site, I adapt to your needs and goals while ensuring the outcome is as efficient and eco-conscious as possible. The tech stack we choose always supports fast load times, clean architecture, and a lower digital footprint.

The choice of technology is never one-size-fits-all. Every project has its own context, priorities, and technical requirements. That’s why I stay platform-agnostic and open to a wide range of tools—from open-source frameworks to enterprise CMS solutions. What matters most is that the technology serves your users efficiently and sustainably. Whether we’re building something new or improving an existing site, I ensure the stack we use supports your long-term growth and keeps your environmental impact in check.

Front-end technologies


  • HTML5, CSS3, JavaScript
  • Lightweight frameworks like Bootstrap and Picostrap
  • Custom UI development with performance in mind

Content Management Systems


  • WordPress (custom themes, optimized child themes)
  • HubSpot CMS (HubL, HubDB, custom modules)
  • Static site generators if the project calls for it

Sustainable hosting & infrastructure


  • Green data centers (e.g. Hetzner)
  • CDN integration for lower global energy use
  • Server configuration tailored to minimize waste

Optimization & monitoring tools


  • Performance: Lighthouse, PageSpeed Insights, GTmetrix
  • Sustainability: Semil Green web calculator, Green Web Foundation API
  • Image optimization, caching, and lazy-loading tools

Let’s make your website more sustainable — together


If you’re ready to reduce the environmental impact of your website without sacrificing performance or user experience, I’m here to help. Whether you already have a site or need one built from scratch, I’ll guide you through a development process that’s clean, efficient, and aligned with your values. Let’s build something better — for your users and the planet.

A simple, focused approach to sustainable web development

How I build low-carbon, high-impact websites

Building a sustainable website isn’t just about writing efficient code — it’s about making intentional choices from start to finish. My process is designed to help you reduce digital waste, improve performance, and create a web presence that aligns with your values and business goals. Whether you’re starting from scratch or rebuilding an existing site, I follow a proven, sustainability-focused development path that keeps your users and the environment in mind at every step.

Step 1:

Sustainability audit & performance check 


I start by analyzing your current website (if you have one) to measure its carbon footprint, performance bottlenecks, and UX challenges. I use tools like my own CO₂ calculator, PageSpeed Insights, and eco-impact benchmarks.

Step 2:

Purpose-driven design & architecture


Next, I create a clear and streamlined structure focused on usability, clarity, and minimal load. This includes wireframes, content flow, and decisions about which features truly serve your goals.

Step 3:

Sustainable development & optimization


I build the website using lightweight frameworks and efficient assets—optimizing images, reducing scripts, and ensuring fast, accessible pages across all devices. Everything is coded with sustainability and scalability in mind.

Step 4:

Green deployment & monitoring


Finally, I host your website on green infrastructure, test everything for emissions and speed, and provide insights on how to keep your site sustainable over time. Optional: I can help monitor and improve it continuously.

From insight to impact - real examples of greener websites

See how I turn sustainability into real, high-performing websites.


Every project I take on is an opportunity to combine thoughtful design, efficient development, and environmental responsibility. These case studies show how I approach each website with a clear goal: to reduce digital waste while delivering excellent performance and user experience. Whether it’s a brochure site or a dynamic content platform, I focus on optimizing code, using sustainable technologies, and aligning the site’s function with its environmental impact.

From lightweight WordPress builds to fully customized HubSpot CMS solutions, my work demonstrates that sustainability and modern web development can go hand in hand. These examples represent not just technical choices, but conscious decisions to create a web that’s cleaner, faster, and more user-friendly — without compromising on quality or flexibility.

Schloss-Gehrden project card

Schloss Gehrden

I built website Schloss-Gehrden in WordPress with a focus on clean design and fast performance. Behind the scenes, I optimized code, and implemented smart caching to keep it efficient and low-emission.

Magister project card

Magister

The Magister is a HubSpot CMS website delivers dynamic training content powered by custom modules and HubDB. I focused on optimizing structure and performance to ensure a smooth user experience with minimal resource usage.

Frequently asked questions

Here are the main questions I have been asked about Web Sustainability Development service.

FAQ section image

What makes a website “sustainable”?

A sustainable website is designed and built to minimize its environmental impact. This includes optimizing performance, reducing data transfer, using green hosting, and improving accessibility — all while maintaining a high-quality user experience.

Does making my website sustainable affect design or functionality?

Not at all. In fact, a sustainable website often performs better — it loads faster, is easier to navigate, and works well on all devices. Good design and sustainability go hand-in-hand.

Can existing websites be made more sustainable?

Yes, absolutely. I can audit your current website and apply optimizations like compressing images, reducing scripts, improving hosting, and cleaning up the code — all of which reduce the site’s carbon footprint.

Is sustainable web development more expensive?

Not necessarily. While it may involve more thoughtful planning and optimization, the long-term benefits — like faster load times, lower bounce rates, and energy savings — often make it a smarter investment overall.

How much CO2 does an average website emit?

The average website emits about 1.76 grams of CO2 per page view. For sites with high traffic, this can add up to hundreds of kilograms of emissions per year — making optimization a powerful way to reduce digital pollution.