The document summarizes a presentation where the presenter discusses what they have learned about accessibility from questions and answers on Stack Overflow. It includes questions asked on Stack Overflow about HTML, CSS, ARIA, assistive technology, and accessibility in general, along with short answers or responses provided. The presentation concludes by emphasizing the importance of accessibility professionals being present and providing guidance on sites like Stack Overflow and at local tech events.

1. Everything I Know About
Accessibility I Learned
from Stack Overflow
rosel.li/a11yTOConf (case sensitive)
#a11yTOConf
Presented by Adrian Roselli (@aardrian) for a11yTO

2. HTML
#a11yTOConf

3. HTML
A: You can use <img alt=""> (no
src attribute) to provide helpful
content to screen readers.
#a11yTOConf

4. HTML
Q: Why can’t I activate a link on
focus with this?
<a href="#"><div tabindex="0">Tab
focus me, then ⏎</div></a>
#a11yTOConf

5. CSS
#a11yTOConf

6. CSS
A: You can disable link underlines
that are added by user style
sheets with !important.
#a11yTOConf

7. CSS
Q: I used jQuery to add border=0
to links, but everything gets a
weird border. How do I remove it?
#a11yTOConf

8. ARIA
#a11yTOConf

9. ARIA
A: Use aria-labelledby to
associate each form field with the
paragraph of instructions.
#a11yTOConf

10. ARIA
Q: VoiceOver won’t announce this
image. What ARIA do I need to
add to make it work?
<img src="foo.gif" alt="">
#a11yTOConf

11. ARIA
Q: Can I avoid adding alt text if I
just add aria-hidden="true" to
every image?
#a11yTOConf

12. Assistive Technology
#a11yTOConf

13. Assistive Technology
Q: How do I override how JAWS
navigates tables and replace the
keystrokes with my better
keystrokes?
#a11yTOConf

14. Assistive Technology
Q: How can I check if a user has a
disability or is using a screen
reader? You know, to justify
making a design accessible.
#a11yTOConf

15. Where Are Devs?
#a11yTOConf

16. Where Are Devs?
•Not in our Slack channels,
•Not at our a11y conferences,
•Not reading our specs
•Not reading our blog-o-trons.
#a11yTOConf

17. Where Are A11y Pros?
#a11yTOConf

18. Where Are A11y Pros?
• Are we on Stack Overflow?
• Are we at local tech events?
• Are we training teams?
• Are we involved in education?
• We need better outreach.
#a11yTOConf

19. Resources
#a11yTOConf

20. Resources
Search for terms in your own
answers with:
user:me is:answer {search term}
#a11yTOConf

21. Resources
Add underlines to links (rosel.li/bookmarklets#SOlink):
javascript:(function(){var
a=document.createElement('style'),b;document.head.
appendChild(a);b=a.sheet;b.insertRule('.post-text
a:link, .post-text a:visited, .comment-copy
a:link, .comment-copy a:visited{text-
decoration:underline !important}',0);})()
#a11yTOConf

22. Everything I Know About
Accessibility I Learned
from Stack Overflow
rosel.li/a11yTOConf (case sensitive)
#a11yTOConf
Presented by Adrian Roselli (@aardrian) for a11yTO