What is alt text? Alt text (short for alternative text) is text that describes the appearance and purpose of an image. Alt text has multiple purposes, the main one being that it aids visually impaired users to better understand your content when the alt text is read aloud by screen readers. Alt text is also used in place of an image if it fails to load, which means that users with poor internet connection are more likely to be able to engage with your content.
This is part two of our two part series Part 1: Theming diffify for accessibility: Part 1 Part 2: Theming diffify for accessibility: Part 2 (this post) In Part 1 of this two-post blog series I covered contrast sensitivity and colour vision deficiencies and related terminology. Here, in Part 2, I’ll cover the changes we made to diffify.com and take a quick look at some tools we used to help us.
This is part one of our two part series Part 1: Theming diffify for accessibility: Part 1 (this post) Part 2: Theming diffify for accessibility: Part 2 For most web developers the switch from desktop or laptop to mobile device will be something they do most days. We know what a designed-only-for-desktop experience feels like on a mobile device and it isn’t great. But accessibility on the web isn’t just about checking that your website is largely agnostic to the physical size of your users’ screens, it’s also about making your content available to those users who have physiological impairments.
This is part two of our two part series Part 1: The importance of web accessibility standards Part 2: Accessibility in R applications: {shiny} (this post) Web applications that are Web Content Accessibility Guidelines (WCAG) compliant are becoming an increasingly prominent part of my role as a data scientist as the importance of ensuring that data products are available to all takes a more central focus. This is particularly true in the case of building solutions for public sector organisations in the UK as they are under a legal obligation to meet certain accessibility requirements.
This is part one of our two part series Part 1: The importance of web accessibility standards (this post) Part 2: Accessibility in R applications: {shiny} An accessible website is more than putting content online. Making a website accessible means ensuring that it can be used by as many people as possible. Accessibility standards such as the Web Content Accessibility Guidelines (WCAG) help to standardise the way in which a website can interact with assistive technologies.