As we think about ways in which government sites meet the needs of their users, speed is an integral part of what makes a site inclusive and accessible to more people.

Steve Souders had a great blog post last year that talked about Frontend Single Points Of Failure (SPOF).  Given the continuing rise in 3rd...

Great performance is key for great UX. We’ve told you how to tackle the low-hanging fruit: optimizing images for faster page loads. Now it’s time to fight the boss: JavaScript. Check out our handy guide!

Ecodesign audit for websites and web applications regarding Sustainable IT and Green IT compliance. This audit is based on GR491, handbook of sustainable design of digital services published by INR, European Institute for Sustainable IT.

What happens when you turn off all of your Internet advertising? Apparently, nothing. This post explores how I came to the decision to turn off all ads, and what I found as a result.

The Fetch Priority API indicates the relative priority of resources to the browser. It can enable optimal loading and improve Core Web Vitals.

Are you considering email accessibility for every campaign you send? Find out why accessible emails matter in this comprehensive guide.

The average energy consumption for one single Bitcoin transaction in 2023 could equal several hundreds of thousands of VISA card transactions.

Découvrez et adoptez des réflexes simples d’écoconception pour optimiser votre site internet et réduire son empreinte environnementale.

An open-source privacy audit of popular web browsers.

The accessibility acceptance criteria testing checklist generator by T-Mobile - Accessibility Resource Center

Images are the most popular resource type. The tendency is that more and more images are used on websites, and hence they are becoming heavier.

Measure accessibility at enterprise (or any) scale

Web performance is critical to inclusive design - users on low-end devices or with poor connectivity are excluded from large and slow applications

Crazed developer attempts real ecommerce without front-end JavaScript to prove that y’all playin’

Contexte Temesis milite depuis de nombreuses années (plus de 20 ans) pour un numérique responsable. C’est pourquoi il nous semble tout à fait naturel et nécessaire d’évaluer les sites web des …

Keep your network transmission and parse/compile cost for JavaScript low to ensure pages get interactive quickly.

Performance budgets are an essential but under-appreciated part of product success and team health. Most partners we work with are not aware of the real-world operating environment and make inappropriate technology choices as a result. We set a time budget of less than 5 seconds first-load Time-to-Interactive and less than two seconds for subsequent loads. We further constrain ourselves to a baseline device and network configuration to measure progress. 2017's global baseline is a ~$200 Android device on a 400Kbps link with a 400ms round-trip-time ('RTT'). This translates to ~130-170KB of critical-path resources, depending on composition; the more JS you include, the smaller the bundle must be.

Why, what and how designers should document accessibility requirements and user interactions to make product better and more inclusive

a11yphant is the easy way to learn the basics of web accessibility. Learn step by step by completing short, interactive coding challenges and quizzes.

Disclaimer: This post and the headline is my opinion. I provide verifiable facts throughout to inform that opinion. I am also not a lawyer and this post does not constitute legal advice. FACIL’iti is one of many vendors that claims its accessibility overlay product can make your site “accessible”. Like…

Author Johann Hari says, ‘Your attention didn’t collapse; it was stolen by big and powerful forces. You haven’t become weak. You’ve been hacked.’ Here’s how to reclaim your brain.

Biais, atteinte à la démocratie, impact environnemental certain et pouvoir disproportionné, voici les impacts de l'intelligence artificielle.

A11Y Automation Tracker

How we optimized full-screen images for Rijksmuseum’s new story platform by realizing a 50-70% savings in total data transferred to the user.

When I started giving talks about SVG back in 2016, I'd occasionally hear a question I never had a great answer for: What if you have a lot of icons on a page?

Third-party scripts provide a wide range of useful functionality, making the web more dynamic. Learn how to optimize the loading of third-party scripts to reduce their impact on performance.