If the median site continued to send 3x the recommended amount of script, when would the web start to feel usable on most of the world's devices?

Guide de "ce qu'il ne faut pas oublier" quand on design pour la performance : écrans de chargement, vide, erreurs, synchronisation, perte de connexion, etc.

We're headed into a dangerous time, when our society is run on digital platforms, and UX isn't leading the way to ensure that those tools are usable. While the best-trained (and highest-paid) UX professionals are put to work optimizing the exploitation and deception of online users, New Yorkers continue to die from Covid, because there's no easy way to schedule a vaccine visit.

Les numéros alloués aux œuvres audiovisuelles sont ceux ayant les racines suivantes :

Racines (format national) 0ZABPQ = 01 99 00, 02 61 91, 03 53 01, 04 65 71, 05 36 49, 06 39 98

There's an issue in Silicon Valley and I think the technology industry as a whole, we think adding features increases value, while adding features actually decreases the experience and the focus.

Cette chasse aux interstitiels doit être envisagée dans une approche plus globale d’allégement de son site ou de “désencombrement”.

Au-delà de faciliter la navigation, la réduction de la publicité au strict minimum et la suppression des images ou vidéos inutiles (entre autres) permettent de recentrer l’attention de l’utilisateur.

The answer is, as with most matters: It depends. Depending on the type of content you’re working with and the kind of information you’re asking for, it could easily either be one checkbox or two radio buttons. The collection of answers above can hopefully help you make a more informed decision. But as with all user interfaces, nothing beats the input you can get from user testing and research. So hopefully the answers above can at least serve as a starting point in situations where you need more to make a decision.

This is where another Sentry feature comes into play. After you’ve signed up and configured everything, head to the Performance section and you’ll see which transactions are getting better over time and which have regressed, or gotten slower

We’ve seen how the “feel” of a site can affect the business, but what does all of that tell us about how to build our sites?

• How fast should we be to reduce frustration?
• What should we be considering in our performance budgets?
• How do we leave our users feeling happy?
• I think these may be secondary questions…

A better question to start with, is:
Will adding a new feature delight or frustrate the user?

In this case, we were given expectations of what content would be displayed and where, and those expectations ended up being misleading. We now have to re-orient ourselves to where the content ends up being displayed.

When the skeleton screen doesn’t match the outcome, we’ve created confusion and frustration that will overcome any benefit you might have gotten from trying to handle that delay in a better way.

There are two reasons why people use CSS grid:

• 😎 CSS is awesome! It's a fact, deal with it.
• 🛠️ Grid is a great tool to build complex two-dimensional layouts.

I sometimes have a third reason to use CSS grid: prevent layout shifts.

[…] sans bonnes performances techniques, l’UX de nos produits ne vaut rien. Tu pourras faire les formulaires les mieux conçus de la Terre, mais si tu as des pages qui mettent 10 secondes à se charger, tu peux fermer boutique.

À l’heure de la dématérialisation complète des services publics, de « l’entreprise digitale », de la prévalence des services web au détriment des guichets physiques, se dessine sous nos yeux une société à deux vitesses.

The deep dive helped our team develop best practices that we are able to apply to our work going forward. It also helped us refine a performance mindset that encourages exploration. As we develop new features, we can apply what we’ve learned while always trying to improve on these techniques.

The open collection of tools and tutorials that helps dealing with complex design challenges.

This talk looks at our perception of performance, some of the issues and challenges with our current approach to designing and delivering fast experiences.
[…]
How we design, develop and deliver our pages determines our visitor's experience.

"We gave the test to 136 people, and the skeleton screen performed the worst by all metrics. Users in the skeleton screen group took longer to complete the task, were more likely to evaluate their wait time negatively (by answering the first question with “Strongly disagree” or “Moderately disagree”), and guessed that the wait time had been longer than users who saw the loading spinner or a blank screen."

"Skeleton screens can improve the feel of any action taking longer than a few hundred milliseconds. Applying them to your rendering bottlenecks will make your UI feel faster and make people happier."

"LazyLoad is a Chrome optimization that defers loading below-the-fold images and certain third-party iframes on the page until the user scrolls near them"

"By using a number of these design techniques, you can help the user of your apps by guiding them to where they want to be and also make your apps feel faster by reducing user anxiety."