https:/
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 text.
I hate people for still doing that nowadays.
Browsing with assistive technology videos
Understanding how people with disabilities browse the web using assistive technologies (AT) is core to making an accessible and inclusive user experience. Our browsing with assistive technology videos series introduces commonly used software, who uses it, how it works, and ways people navigate content.
While both the alt attribute and the figcaption element provide a way to describe images, the way we write for them is different. alt descriptions should be functional; figcaption descriptions should be editorial or illustrative.
Why you should never use px to set font-size in CSS
Let’s be very clear: it absolutely does matter what unit you use in your CSS. And you should avoid px when setting font-size wherever possible.
How A Screen Reader User Surfs The Web
In this webinar you’ll learn how and why semantic HTML helps screen reader users browse your website, whilst being mostly transparent to people who do not use an Assistive Technology (AT). Join Léonie Watson, a blind screen reader user, as she explores the web, and find out about some unexpected properties of HTML elements that not only have a huge impact on accessibility, but also turn out to be pretty good for performance too.
A Designer’s Guide to Documenting Accessibility & User Interactions
A lot of sites were not designed and developed with accessibility needs in mind. As designers, a lot of us think that “accessibility is the job of the developer team”. Accessibility becomes an afterthought for a lot of projects. Companies launch inaccessible tools, sites, services.
Adrian Roselli 
Henny Swan
Josh Collinsworth
Léonie Watson
Stéphanie Walter