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Adrian Roselli
Series A Virtualization Framework VTOL

All Posts Tagged: html

Dialog Focus in Screen Readers

Creating an accessible dialog on the web is trickier than it should be. Lack of support for the <dialog> element, the need for fundraisers to get inert into WebKit, inconsistent support for the ARIA dialog role, and other annoyances make them problematic. Scott O’Hara has spent a few years covering…

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Tags: accessibility, browser, html, usability, UX

VoiceOver on iOS 14 Supports Description Lists

The <dl> has existed since HTML+, or 1993, when it was called definition list. VoiceOver on iOS has existed since 2009, when it was introduced with the iPhone 3GS. Neither VoiceOver on iOS nor iPadOS had support for this core feature of HTML that was in existence for 16 years…

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Tags: Apple, browser, html, Safari, standards

Sortable Table Column Mad Libs

Visually and functionally sortable column headers on tables are straightforward (I have a post on that coming soon). However, making them accessible can be a bit frustrating. To clarify, making them accessible to screen readers is frustrating. I wrote the post I promised in the opening: Sortable Table Columns There…

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Tags: accessibility, ARIA, html, pattern, standards, tables, usability, UX

Be Wary of doc-subtitle

In early March, Steve Faulkner shared this nugget for making sub-headings: 👉If you want to semantically identify a heading subtitle, look no further than role="doc-subtitle" w3.org/TR/dpub-aria-1.0/#doc-subtitle #HTML #ARIA #WebDev pic.twitter.com/uaHcVRp6oz Steve Faulkner (@stevefaulkner) March 7, 2020 On its surface it looks pretty handy. Handy enough that Chris Ferdinandi wrote about…

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Tags: accessibility, ARIA, browser, html, pattern, rant, standards

Disclosure Widgets

A disclosure widget is a simple control whose sole purpose is to hide or show stuff. Native HTML has one built in via the <details> and <summary> elements. Until recently, if you wanted to use it in modern browsers you needed to use a polyfill. In most cases it was…

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Tags: accessibility, ARIA, html, pattern, standards

Chrome 80/81 Bug: Accessible Name Calculation

The good:Chrome 80 rolled out on 19 February 2020, and with it came a pile of fixes for how elements with CSS display properties have their semantics exposed in the accessibility tree. These huge accessibility bug fixes featured prominently in my CSUN talk this year (starting at slide 36). The…

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Tags: accessibility, Chrome, html

CSUN 2020: CSS Display Properties versus HTML Semantics

While originally I was scheduled to attend CSUN to present two talks one talk, I ended up not attending (my father won A Major Award so I joined him instead). I gave my talk remotely in my scheduled slot (during my father’s award dinner). While I would have loved to…

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Tags: accessibility, ARIA, css, html, slides, standards

Stop Using ‘Drop-down’

TL;DR: Stop using the word drop-down. Instead choose a term that accurately describes the control you want. I have worked both with native platform developers and web developers. While control names might differ, if a control was functionally the same then it was not an issue. A TextBox, for example,…

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Tags: html, lingo, pattern, standards

Block Links, Cards, Clickable Regions, Rows, Etc.

Whether you call them cards, block links, or some other thing, the construct of making an area of content clickable (tappable, Enter-key-able, voice-activatable, etc.) is not new. While hit area size is mostly a usability issue, marketers often want a larger click area around their calls to action (CTAs) to…

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Tags: accessibility, css, design, html, pattern, tables, usability, UX

Link Targets and 3.2.5

TL;DR: Regardless of what accessibility conformance level you target, do not arbitrarily open links in a new window or tab. If you are required to do so anyway, inform users in visible text. Overview Throughout this post I am going to use the terms browser window and tab interchangeably. While…

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Tags: accessibility, html, usability, UX, WCAG

Fixed Table Headers

Related Under-Engineered Responsive Tables A Responsive Accessible Table Hey, It’s Still OK to Use Tables Keyboard and Overflow

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Tags: accessibility, css, html, mobile, pattern, tables

Showing File Types in Links

Links to files can be a surprise for users, especially those who cannot use, do not notice, or do not have the status bar to show a link destination. Some users may appreciate knowing a link points to a file, sometimes even a particular file. For links with the download…

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Tags: css, html, usability, UX