5 August 2026

Eco-design: Good for the Planet and Good for Your Performance

The web seems intangible, and yet... the web causes pollution!

Since 1995, the average size of web pages has increased from 14 KB to 2,566 KB—183 times larger.

In light of growing environmental concerns and the increasing impact of digital technology, eco-friendly web design has emerged as an innovative and essential approach. It aims to reduce the environmental footprint of websites while improving their performance.

This article explores the fundamental principles of this approach, its benefits, and best practices to follow.

Why is eco-friendly web design crucial?

The digital sector accounts for about 4% of global greenhouse gas emissions, a figure that continues to rise. Websites contribute to this carbon footprint through their energy consumption related to servers, data transfers, and user devices.

According to GreenIT.fr, a poorly optimized website can emit up to 4.61 g of CO₂ per page view, particularly when it includes large videos, uncompressed scripts, or unoptimized images. For its part, the EcoIndex tool estimates that a “standard” website emits an average of 2.5 g of CO₂ per page view, a figure that can rise depending on the quality of the hosting or data management.

An eco-designed website can significantly reduce emissions, averaging between 1.2 g and 1.5 g of CO₂ per page view through practices such as image compression and query optimization. With extensive optimization, it is possible to drop below 1 g of CO₂, although this remains difficult to achieve for most websites.

Eco-design is therefore not just an ethical approach; it alsoimproves the overallperformance of websites by reducing their carbon footprint while optimizing the user experience and page load speed.

Eco-design and performance: an inseparable pair

Contrary to popular belief, eco-design does not compromise performance—quite the opposite. A website optimized to reduce its environmental footprint is often faster and more efficient.

Here’s why:

HTTP Request Reduction

Every element on a page (image, script, CSS) generates a request. By minimizing the number of elements to be loaded, the site reduces its loading time.

File Size Optimization

Compressed images, minified files, and the absence of unnecessary resources reduce bandwidth usage.

Code Efficiency

Adopting practices such as simplifying HTML, removing non-essential scripts, and compressing JavaScript and CSS files improves overall speed.

Eco-design: Best Practices

Choosing Green Accommodations

Web hosting plays a key role in a website’s environmental impact. Data centers often run on fossil fuels. Choosing a hosting provider that uses renewable energy or offsets its emissions can significantly reduce your carbon footprint.

The data centers used by DATASOLUTION are located in northern France and employ eco-friendly practices: solar panels generating 190,000 kWh (22 kW), heat recovery for generators, and indirect free cooling for optimized cooling. Water use (WUE) is close to zero thanks to an innovative design. The data center also features a reforestation project certified as low-carbon by the Ministry of Ecology and uses recycled heat to provide heating for the local community.

Philippe AUDIBERT Chief Technology Officer at DATASOLUTION

2. Optimize media

Use modern formats such as WebP for images.
Compress multimedia files to reduce their file size.
Reduce the number of videos or prioritize adaptive playback options (avoid autoplay).

Our UX designers take a proactive approach to optimizing user journeys by aligning your business goals with the specific needs and expectations of your users.

Lucas VALLÉE Creative Director at DATASOLUTION

3. Reduce the number of scripts and plugins

Websites overloaded with third-party scripts and plugins consume a lot of resources. Avoid unnecessary modules and consolidate features into lighter solutions.

We place web performance at the top of our priorities. We help our clients select and optimize essential third-party modules, taking care not to unnecessarily slow down their websites. When existing, effective solutions meet their needs, we prioritize them over developing redundant and sometimes costly alternatives.

Fabrice ETERNO Front-End Technical Director

4. Prioritize mobile-first

With the majority of users accessing the web via their smartphones, designing mobile-optimized websites helps minimize resource usage. Mobile-first websites offer a threefold advantage: they perform better, are more environmentally friendly, and significantly increase conversion rates.

Eco-design: Assessing the Benefits

There are many benefits to eco-design

Ecology

Using fewer resources means a reduction in associated CO₂ emissions.

Economy

A lighter website requires less bandwidth and reduces hosting costs.

CRO

Faster loading times improve conversion rates and user retention.

SEO

Search engines prioritize fast, high-performing websites, improving their rankings in search results and increasing their online visibility.

CSR Strategy

Companies that adopt these practices strengthen their image as responsible and committed brands.

Together

Toward a More Responsible Web

Adopting eco-design is a proactive and committed approach.

This calls for a paradigm shift, one in which the focus is no longer solely on design or functionality, but on the overall impact. Digital professionals have a central role to play in this transition.

In conclusion, designinga website with sustainability in mindis not only a response to an environmental crisis; it is also an investment in the quality and longevity of your digital environments.

DATASOLUTION supports its clients in their transition to more sustainable solutions.

Together, we are designing the digital platforms of tomorrow by embedding environmental considerations at the heart of our digital strategies today.