1) Unplug your mouse
2) Place your cursor in the address bar
3) Press the 'tab' key and 'shift + tab'
Can you get to everything? Can you tell where you are?
1) On each form input, click on what appears to be the
Is the form field focused? Is it the field you expected?
* Note: a field can be labeled without a visible label.
1) Disable images in your browser.
Is there information missing? Do you get what you need to
use this page?
High Contrast Mode
1) Enable high contrast mode in your operating system
Are you missing any information?
1) Use your browser to change the size of text
a) Firefox: View > Zoom > Zoom Text Only
b) Ctrl + + to enlarge; Ctrl + 0 to reset
Does the text overlap when enlarged? Can you see all the
Check for Captions and Transcripts
1) For videos, go to view the video. Is there an option to
enable captions? Are the captions accurate?
2) For video and audio, is there a transcript available?
Disable Cascading Style Sheets
1) Disable CSS
a) Firefox: View > Page Style > No style
Do you see elements on the page in the order you expect
them to appear in? Are you able to make sense of the site
without the design?
Testing by Users with Disabilities
1) Entirely manual
2) Reports are human produced
3) Best way to assess specific problems
4) Individual results may have fundamental limitations
- Accessibility is not "set it and forget it"
- Assessments should be repeated regularly
- Automated monitoring helps catch creeping or common
How do you start?
- Perform basic do-it-yourself tests
- Demonstrate the general level of accessibility you can
- Give you initial feedback about the existing knowledge
and level of care from the development team
- Are not definitive!