Performance und Barrierefreiheit
How to Get Unexpected Context Changes Right
Changes a page makes on its own when someone focuses or changes a control, such as submitting a form when an option is selected or opening a new window on focus...
Marcus Adeyemi
Entwickelt und betreut die Web-Projekte. Schreibt über Frontend-Architektur, Performance, Barrierefreiheit und die unspektakulären Aufgaben, die eine Website am Laufen halten.
531 articles
Performance und Barrierefreiheit
Consistent Navigation and Identification: What Actually Works
Keeping repeated navigation in the same order across pages, and giving components that do the same thing the same name and icon throughout a site. Key takeaways...
Performance und Barrierefreiheit
Consistent Help: The Decisions That Matter
Placing help mechanisms, such as contact details, chat, a help page link or a self-help option, in the same place on every page where they appear. Key takeaways...
Performance und Barrierefreiheit
A Practical Guide to Error Identification and Suggestions
Telling people clearly which form fields have errors and what went wrong, and suggesting how to fix them where possible. Key takeaways WCAG 3.3.1 Error Identifi...
Performance und Barrierefreiheit
Error Prevention for Important Transactions: The Decisions That Matter
Safeguards on forms that create legal commitments, move money, change stored data or submit test answers, so mistakes can be caught before they count. Key takea...
Performance und Barrierefreiheit
Redundant Entry: The Decisions That Matter
Not asking people to enter the same information twice in one process, such as a shipping address already given earlier in checkout. Key takeaways WCAG 3.3.7 Red...
Performance und Barrierefreiheit
A Practical Guide to Accessible Names and Roles
The name, role and state that assistive technology reports for every interface component, such as "Menu, button, collapsed", which custom widgets must...
Performance und Barrierefreiheit
Status Messages and Live Regions: What Actually Works
Announcing updates that appear without moving focus, such as "Item added to cart", "3 results found" or "Saving…", so screen reade...
Performance und Barrierefreiheit
How to Get Line Length and Text Presentation Right
How blocks of text are presented: line length, spacing, justification and the ability to change colors, all of which affect how easily people can read long pass...
Performance und Barrierefreiheit
A Practical Guide to ADA Title II Web Accessibility Rule
The Department of Justice rule, issued in 2024, that sets a technical standard for the websites and mobile apps of state and local governments in the United Sta...
Performance und Barrierefreiheit
A Practical Guide to ADA Title III and Business Websites
How the Americans with Disabilities Act applies to the websites of businesses open to the public, such as retailers, restaurants and service providers. Key take...
Performance und Barrierefreiheit
Section 508 for Federal Technology: What Actually Works
The US law requiring federal agencies to make the information and communication technology they develop, buy and use accessible, and the standards that define i...
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