Skip to content.
Adrian Roselli
Outsourced Machine Learning System CLI

All Posts Tagged: accessibility

Don’t Use Web•dev for Accessibility Info

Web.dev is a site from Google Chrome developer relations that provides content both to evangelize Chrome and to more broadly support the web platform. Rachel Andrew’s monthly “new to the platform” posts are effectively required reading to try to stay abreast of the browser support landscape. However, the accessibility content…

Posted:

Tags: accessibility, Google

Feedback on a Pagination Pattern

This post is part of RSS Club, rewarding those who still use RSS to read and/or share content. These posts are embargoed from my regular post feed and the socials for an arbitrary period of time. You can see all the RSS-only posts at AdrianRoselli.com/category/RSS. Tell your friends (to get…

Posted:

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

Disability:IN 2024 Agenda Bookmarklet

I had some issues using the Disability:IN 2024 Conference Agenda so I made a bookmarklet: 🔗 Fix Disability:IN Agenda You may have seen this originally posted as a CodePen, but I opted to move it here since I can embed videos showing a before-and-after experience. Fixes Removes empty trigger link…

Posted:

Tags: accessibility, html, standards, usability, UX

YouTube and Vimeo Web Component

If you want something done right, post it wrong. In the long history of the innertubes, if you ask for help with code you typically won’t get much of a response. But if you post code and assert it is ideal and perfect and an immutable reflection of your pristine…

Posted:

Tags: accessibility, html, JavaScript, pattern

Maybe Don’t Name That Landmark

TL;DR: You probably don’t need to name that landmark. The Ngong Ping Village tourist trap on Hong Kong’s Lantau Island. All the pricey tourist spots have visible named landmarks on the map, but the ones people generally care about (bathrooms, food, that lovely tea house) are not. The accompanying tactile…

Posted:

Tags: accessibility, ARIA, html, usability, UX

My Approach to Alt Text

I ran across a survey from Tilburg University on the experiences and perspectives of image describers. It asked what process I follow to write image alternative text, and it occurred to me that I don’t use a checklist or guideline anymore. That may or may not be a good thing,…

Posted:

Tags: accessibility, html, standards, usability, WAI

Level-Setting Heading Levels

TL;DR: Avoid setting heading levels greater than six (6). This applies whether using aria-level or the proposed headingstart HTML attribute. Use HTML <h#> elements whenever possible. ARIA The aria-level attribute, when applied to headings (or nodes with the heading role) lets authors set an integer value for a heading level.…

Posted:

Tags: accessibility, ARIA, Chrome, Firefox, html, Safari, standards, W3C

A Brief Note on Highlighted Text

TL;DR: If you plan to style text highlighted by the browser, you must give it sufficient contrast — 3:1 for the highlight block against its background and (probably) 4.5:1 for the text within that highlighted block against that background. CSS Context CSS provides methods to style the highlights that browsers…

Posted:

Tags: accessibility, css, usability

Long Alt

TL;DR: Keep your image alternative text brief, devoid of special characters, empty of URLs, and ideally in one language. Here We Go Sometimes you can have too much alternative text, particularly for an <img>. I don’t mean there is a limit to what is allowed, I mean there is a…

Posted:

Tags: accessibility, browser, html, rant, standards, usability, UX

CSUNATC: WCAGmire

Download a 4.4MB tagged PDF of my slides or try the embedded view if your browser displays PDF inline. The text in the slides is set in Atkinson Hyperlegible. The outdoor images are generated from Midjourney. The PDF is exported from PowerPoint, after confirming reading order and alternative text and…

Posted:

Tags: accessibility, slides, standards, W3C, WCAG

Jakob Has Jumped the Shark

Yes, that is the bear from Jakob’s clearly spurious alternative text example and yes, that is The Fonz after jumping the shark. If you have been following the saga of Jakob Nielsen, there a few quotes I could use here: Battle not with monsters, lest ye become a monster (Nietzsche).…

Posted:

Tags: accessibility, rant, usability, UX