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Adrian Roselli
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Overlays Underwhelm: a11y NYC

Following is the live stream of the talk from YouTube. Owing to Fat Tuesday, I stepped away from a feast of gumbo, jambalaya, red beans & rice, and etouffee to give this talk (and went back for king cake immediately after). Which explains the beads. Which, it turns out, were…

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Tags: accessibility, overlay, slides, speaking

Support for Marking Radio Buttons Required, Invalid

The required set of radio buttons. The white whale to many a developer who is trying their darnedest to ensure they are conveyed accessibly while not also making it sound like every individual radio button must be toggled. 1961 Cadillac Wonderbar dashboard radio by Nicholas Lucien (cropped). CC BY 2.0.…

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

Column Headers and Browser Support

Data tables need column headers. Monolitten, a granite column of humans (each with a head) at Vigelandsanlegget, a sculpture park in Frognerparken in Oslo, Norway. What they probably do not need is a new set of column headers every few rows, particularly not when they change the meaning of the…

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Tags: accessibility, browser, html, tables

Accessible Cart Tables?

The online holiday shopping coupled with my need to make a new invoice template got me looking at a common table structure that is harder to expose to screen readers than it seems at first glance. One I first coded in, checks watch, 1997 when I was an ecommerce developer…

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Tags: accessibility, html, pattern, tables

More Google and Afterthought Accessibility

Google has an extensive history of releasing products and tools that fail basic accessibility. This is not a function of individuals — Google has some very talented and capable accessibility practitioners. Instead, this is an organizational failure. Failure to require accessibility in its products or services. Failure to support teams…

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Tags: accessibility, ARIA, css, Google, html, standards, UX, WCAG

Experimenting with Text and CSS background-clip

Moving and Flashing Warning: Each of the examples in this post has animations. Continuous animations honor your system settings to reduce animation. You can also hide the rendered HTML in the embedded CodePens by hitting the “Result” control. The CSS background-clip property controls how much a background extends under a…

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Tags: css, design

Under-Engineered Dependency Questions

Others in this sorta-series: Under-Engineered Custom Radio Buttons and Checkboxen Under-Engineered Toggles Under-Engineered Toggles Too Under-Engineered Text Boxen Under-Engineered Select Menus A common interface pattern allows users to choose one item from a pre-defined set of choices, while still allowing them to add a custom selection if nothing else fits.…

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

Web Development Advent Calendars for 2021

Got myself one of those Bonne Maman jelly/jam advent calendars and am very much looking forward to opening the first day and all subsequent days. Web developers around the world have given a nod to Saturnalia solstice Isaac Newton’s birthday Christmas with advent calendars covering web-related topics. As a result,…

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Tags: accessibility, css, design, html, internet, standards, UX

Overlays Underwhelm: Web Directions AAA 2021

A collection of images, videos, tweets, articles, and links referenced in my talk for Web Directions AAA 2021. This may not make much sense if you did not attend the talk. Or even if you did. Intro I had the title before I had the content. I tried to shoehorn…

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Tags: accessibility, overlay, slides, speaking

What Matters Podcast

The open source collaboration platform Mattermost invited me to be a guest on its What Matters podcast for the episode What Matters – Episode 28 – Accessing Accessibility with Adrian Roselli. You can probably guess the topic. I am particularly pleased with this announcement from Mattermost that came with the…

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Tags: accessibility, speaking

Switch Role Support

Whether you use a <button> or <input type=”checkbox”> as the basis for your switch depends on a few factors: Use <button> if: you can count on JavaScript being available, and flipping the switch has an immediate effect. Go read Under-Engineered Toggles Too. Use <input type=”checkbox”> if: you want to progressively…

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Tags: accessibility, ARIA, pattern, standards

Reference: SRs and Extended Characters

This post serves no purpose other than to demonstrate the fidelity of screen readers when announcing non-emoji Unicode characters when using default settings. There is no judgment on which is correct. This is simply for reference. I grabbed the following tweet and recorded it across common screen readers (WordPress ate…

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Tags: accessibility, browser, Chrome, Edge, Firefox, Safari