Coder Survival Guide

In this blog post, we explain the technical details of removing the jQuery library from GOV.UK’s public facing applications and the performance impact it had for our users.

Extending the lifespan of smartphones and other electronics by just one year would save the EU as much carbon emissions as taking 2 million cars off the roads annually, a new study finds.

Why measuring your design system is more important than you think, and why measuring sooner rather than later is imperative.

Image CDNs are excellent at optimizing images. Switching to an image CDN can yield a 40–80% savings in image bytes.

Why compressing images for dense screens is different, and how to serve them

Learn how several next-gen image codecs (JPEG 2000, WebP, AVIF, and JPEG XL) compare to JPEG in compression density, features, etc. as its potential replacement.

In 1994, Lou Montulli wrote a snippet of code that introduced a new way of sharing identity on the Web—the cookie. Read the story behind its inventor.

Images have also been a key part of the web. They communicate ideas instantly, but they are also a lot heavier than text to load. This means that it’s essential to get loading and displaying them right, if you want to give your users a fantastic first impression. An excerpt from [Addy's new book](https://www.smashingmagazine.com/2021/04/image-optimization-pre-release/) (also, check a [free PDF preview](https://smashingmagazine.com/provide/eBooks/image-optimization-sample-chapter.pdf)).

In this interactive course, you’ll participate in my life stories, and learn data science tricks for optimizing your day-to-day life. You’ll make the perfect glass of lemonade using Thompson sampling. You’ll lose weight with differential equations. And you might just qualify for the Olympics with a bit of statistics!

Howard Scott Warshaw’s video game was blamed for single-handedly sinking a multibillion-dollar market. But the true story is more complicated.

Small steps you can take to support the climate fight.

In continuing the Sustainable Systems series, Anne Currie focuses on architectural choices and sustainability and offers points for those who want to be carbon aware and follow principles of green software engineering in practice.

In the second article in the Sustainable Systems series, Anne Currie focuses on operational choices you can make to improve how your software is run.

What should you monitor as you try to increase the hardware efficiency of software? To find out, read this first article by Srinivasan Rakhunathan in the Sustainable Systems column.

A specification that describes how to calculate a carbon intensity for software applications. - Green-Software-Foundation/sci

The Software Carbon Intensity (SCI) standard gives an actionable approach to software designers, developers and deployers to measure the carbon impacts of their systems.

Trois questions à Julia Jean et Lucie Robert, respectivement directrice créative et designer en cheffe au sein du studio Naraven Games. Leur jeu vidéo BACKFIREWALL_, bientôt disponible sur ordinateur et console, raconte l’histoire d’un système d’exploitation refusant d’être mis à jour.

Firefox has become one of the best tools for accessibility audits. Let’s go over Firefox’s accessibility features that you can use today.

How luxury retailer Farfetch's investment in improving Core Web Vitals led to better business outcomes.

Modern CSS rendering performance: The internals of web pages optimization In this talk, we demystify the browser’s rendering pipeline and explore the differe...

Learn how to create social media content that is accessible to people with disabilities.

Developers started to notice just how big our JavaScript package was and yeah, we knew. We weren’t ignoring the issues; after all, we don’t want the Sentry package to be the cause of a slowdown. But to reduce our JavaScript SDK package size effectively we had to account for shipping new capabilities, like being able to manage the health of a release and performance monitoring, while maintaining a manageable bundle size. After all, new features == bigger package - usually.

Parce que trop souvent les problématiques environnementales sont isolées des problématiques sociales au sein des organisations et des débats, réaffirmer l’inextricabilité de ces enjeux est essentiel.

Every website and app these days relies on so-called “social markup,” metadata for a richer and prettier display in social media and messaging tools. On the absolute minimum you may need.

Optimizing the size of images can have a bigger impact on performance than all other areas combined. In this article, Louis Lazaris covers different tools available for reducing the size of images.

Learn why digital accessibility is key for both usability and sustainability when designing digital products and services.

Learn how to get started implementing digital sustainability today in this post from Chicago digital agency Mightybytes.

In my book, Sustainable Web Design, I tell the story of how the junk food industry addressed the growing problem of litter in the 1970’s. As companies such as Coca-Cola increasingly promoted products sold in disposable packaging, towns and cities became cursed by litter on their streets. In one of the greatest public relations successes of modern history, these companies banded together to launch a campaign to convince the public that the litter on the streets was not the fault of the companies whose logos were printed on it, but of the ordinary people who had dropped it. They founded a puppet environmental organisation called

Après les meilleures sources à lire sur le climat et l’environnement, il était temps de faire une liste des meilleures chaines Youtube !