RhianaH
Rhiana is a front end developer specialising in making web sites and applications accessible for people with disabilities. Combining her background in educational psychology and a love of computers.
A11y
Workshop
Rhiana Heppenstall
Ruby Retreat Warrnambool 2024
〞
We don't have time to make things accessible
– Your boss probably
Make things accessible
1.
???
2.
Profit!
3.
Photo by Pawel Czerwinski
2. Test for colour blindeness and colour contrast
Did you find any issues?
1. Bring up a website
3. Using the Wave tool to check your website structure
4. Try to operate your website using only the keyboard
5. Check your HTML for errors
Photo by Pawel Czerwinski
Colour Blindness
| Type | Males | Females |
|---|---|---|
| Red/Green | 8% | 0.5% |
| Blue/Yellow | 0.01% | 0.01% |
| Monochrome | 0.003% | 0.003% |
2. Test for colour blindeness and colour contrast
Did you find any issues?
1. Bring up a website
3. Using the Wave tool to check your website structure
4. Try to operate your website using only the keyboard
5. Check your HTML for errors
Colour Contrast
| Type | AA | AAA |
|---|---|---|
| Small Text | 4.5:1 | 7:1 |
| Large Text | 3:1 | 4.5:1 |
| Graphics | 3:1 | 3:1 |
2. Test for colour blindeness and colour contrast
Did you find any issues?
1. Bring up a website
3. Using the Wave tool to check your website structure
4. Try to operate your website using only the keyboard
5. Check your HTML for errors
Images
| Type | alt |
|---|---|
| Image | Precise description not relying on sight |
| Image of text | the text or don't |
| Decorative | empty string |
| Image inside a link | link text |
2. Test for colour blindeness and colour contrast
Did you find any issues?
1. Bring up a website
3. Using the Wave tool to check your website structure
4. Try to operate your website using only the keyboard
5. Check your HTML for errors
Headings & Links
| Type | Guidelines |
|---|---|
| Headings | One lvl 1 Step up or down by 1 |
| Links | Unique Stand alone context |
| Landmarks | Header, Main, Footer, Nav |
2. Test for colour blindeness and colour contrast
Did you find any issues?
1. Bring up a website
3. Using the Wave tool to check your website structure
4. Try to operate your website using only the keyboard
5. Check your HTML for errors
Keyboard
| Use | Guidelines |
|---|---|
| Tab | Can tab to everything in order |
| Focus | Can see every tab |
| Skip | Skip to content |
2. Test for colour blindeness and colour contrast
Did you find any issues?
1. Bring up a website
3. Using the Wave tool to check your website structure
4. Try to operate your website using only the keyboard
5. Check your HTML for errors
HTML
| Guidelines |
|---|
| In order |
| No errors |
2. Test for colour blindeness and colour contrast
Did you find any issues?
1. Bring up a website
3. Using the Wave tool to check your website structure
4. Try to operate your website using only the keyboard
5. Check your HTML for errors
Thanks!
You've just tested your site for accessibility without using a screen reader
A11y Workshop
By RhianaH
