Numérique Responsable

Foreword A decade ago, the Green Web Foundation set out to increase the internet’s energy efficiency and speed up its transition away from fossil fuels. As a Dutch non-profit, we steward the largest open dataset that tracks websites running on renewables—with an open tool suite used over 2 billion times. We are now focusing on… Read More »Report: Fog of Enactment

Lighthouse, but for running sites on renewable power instead of fossil fuels - thegreenwebfoundation/lighthouse-plugin-greenhouse: Lighthouse, but for running sites on renewable power instead of ...

A checklist for creating accessible websites and web applications.

Why are the usual strategies used online not accessible and not an option for us? The following CAPTCHA’s are typically used to prevent BOT attacks but are not accessible or fully compliant, and/or have other identified challenges.

CAPTCHA and accessibility

Before implementing CAPTCHA, make sure that it is accessible

Quel est le moyen le moins consommateur pour votre batterie pour écouter de la musique sur votre smartphone ? Nous comparons différents services en fonction de vos usages et habitudes

First part of a series of blog posts that together make a coherent How-to guide on optimizing Drupal for speed.

Light. est spécialisé dans la création de vos vidéos en motion design éco-conçu. Nous concevons votre projet vidéo efficace et responsable.

Benchmarking the CO2 emissions estimated by GreenIT Analysis, Website Carbon, Digital Beacon, GreenFrame, Ecograder, and PageSpeed Insight on the same website, weather.com.

Test your background and text contrast ratio based on Web Content Accessibility Guidelines (WCAG), and automatically find the closest accessible colors.

The 512KB Club is an exclusive list of web pages weighing less than 512 kilobytes.

I've been thinking about social media images again. You know, the images that (can) show up when you share a link in places like Twitter, Facebook, or

Break HTML document size down by tag and attribute. Discover bloat like code duplication, large hydration state, and inline images.

Third-party means not you or me, but them.

Building Energy-Efficient Free Software

Press release to announce Okular receiving the Blue Angel eco-label.

In this article, we’ll look specifically at what we can do to reduce the impact of social media embeds and social sharing widgets — or even some strategies to avoid them altogether. While the spotlight is on reducing the environmental impact, many of these tips will be great for performance too.

Google Fonts is embedded on numerous websites. What website providers often forget is that the integration of Google Fonts is subject to GDPR regulation.

Conseil, formation et audit sur l’accessibilité, l’écoconception et la conformité RGPD de vos services numériques. Temesis œuvre pour un numérique responsable.

How big are pages today vs. ten years ago? How does page bloat hurt your business? How does it affect Google's Core Web Vitals? What can you do to fight it?

Dématérialiser votre communication n’est pas synonyme de zéro impact. Pour agir sur les impacts environnementaux de votre communication numérique (site Internet, version électronique online ou offline, publicités digitales, e-mailing, réseaux sociaux…), il est important de connaître les impacts des TIC afin d’accompagner les changements de pratiques et de mieux éco-concevoir

Tips, tricks and tutorials on the web’s most beautiful language.