Performance et accessibilité
JavaScript Performance: What Actually Works
The cost of the scripts a page ships: downloading, parsing, compiling and executing them. Key takeaways Cost: download, parse, compile and execute, on the main...
Lumexa Media · Articles
Le journal
Les notes de travail d'un studio qui retouche des images, monte des vidéos, mixe de l'audio, crée des sites web, réalise des rendus 3D et débat des résultats de recherche. Chaque article est signé par une personne nommée et cite l'organisme qui a publié les chiffres qu'il contient.
5 872 articles dans 14 disciplines
Performance et accessibilité
Accessible Data Tables: What Actually Works
Marking up tabular data so its structure is available to people who cannot see the visual grid. Key takeaways Headers: th elements, with scope where the structu...
Performance et accessibilité
A Practical Guide to Cognitive Accessibility
Designing for people with cognitive differences, memory difficulties, attention differences or low literacy. Key takeaways Plain language: benefits all readers,...
Performance et accessibilité
Automated Accessibility Testing: What Actually Works
Running tools that check markup against rules, as one layer of an accessibility program. Key takeaways Coverage: automated tools detect a minority of accessibil...
Performance et accessibilité
A Practical Guide to Image and Font Loading Strategy
Controlling when images and fonts are fetched and how the page behaves while waiting. Key takeaways loading attribute: lazy defers offscreen images fetchpriorit...
Performance et accessibilité
A Practical Guide to Accessibility Statements
A published document describing how accessible a site actually is, what does not conform, and how to report problems. Key takeaways Legal requirement: mandatory...
Performance et accessibilité
How to Get Back/Forward Cache Right
A browser feature that keeps a complete snapshot of a page in memory when the visitor navigates away, so pressing Back or Forward restores it instantly instead...
Performance et accessibilité
Preload and Preconnect: Using Resource Hints Well
Link elements that tell the browser early about resources it will need: preconnect opens a connection to another origin in advance, and preload fetches a specif...
Performance et accessibilité
Speculative Loading, Done Properly
Loading the page a visitor is likely to open next before they click, either by prefetching its resources or by fully prerendering it in the background. Key take...
Performance et accessibilité
A Practical Guide to Reflow and Zoom
Whether content stays readable and usable when the browser is zoomed in or the viewport is narrow, without forcing the reader to scroll in two directions to fol...
Performance et accessibilité
A Practical Guide to Skip Links and Landmarks
A link at the start of the page that jumps past repeated navigation to the main content, and HTML landmark regions that let assistive technology users move betw...
Performance et accessibilité
Accessibility Overlays: Why They Are Not a Fix
Third-party scripts or widgets that claim to make a website accessible automatically, usually by adding a toolbar and changing the page in the visitor's br...
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