Challenges of Accessibility Test
The following are some common challenges or difficulties that the accessibility guidelines try to address:
|Type of Disability
|– Complete Blindness or Color Blindness or Poor Eyesight
– Visual problems like visual strobe and flashing effect problems
||Difficult to use a keyboards or mouse
||Learning difficulties or poor memory
||Reading problems, find words difficult
||– Auditory problems like deafness and hearing impairments
– Difficulty to hear well or hear clearly
- Easy and efficient access to users with disabilities or challenges
- Increases market share and audience reach
- Improves maintainability and efficiency
- Satisfied existing and future legal requirements and helps follow ethics
- Support internationalization
- Assists in access for low-bandwidth users.
- Now the question arises as what does POUR stand for and the answer is given below:
- Perceivable:Presentation of the web suite should be perceivable. Content should make sense from all the perspective of all the users.
- Operable: One can say that the site is operable if a user is able to navigate the site easily.
- Understandable: Everything present on the website must be understood by any type of user. In short, the language should be easy and not a complex one.
- Robust: Regardless of the changing technology and the type of users, the content should be robust.
- Why it is important how its help users
- Different Types of disabilities across world
- accessibility and disability laws
- Assistive Technologies like screen readers
- Web Evaluation Tools
Accessibility Testing have 4 core principles :
Types of Accessibility Testing
Manual : We can perform manual accessibility testing with physical interaction using WCAG guidelines and with some manual tools .
Using browser extension tools we can scan and evaluate the web pages and entire web sites .
Overview of accessibility testing technologies and techniques
Train Testing with screen readers (JAWS, NVDA, VoiceOver, Talk back)
Training for comprehensive Accessibility testing for Web and Mobile applications
Train keyboard navigation, screen readers and color contrast analyser tools
Training for manual accessibility testing
Train on Accessibility Test plan plan and strategies
Train Automated accessibility testing approach
Train WCAG guidelines 2.0 , 2.1 with Level A , AA , AAA
Train Web Accessibility Initiative – Accessible Rich Internet Applications ( WAI -ARIA )
Screen readers :
- Jaws ( Web ) https://www.nvaccess.org/download/
- NVDA ( Web ) https://support.freedomscientific.com/Downloads/JAWS
- Voice over ( iOS – Mobile ) https://support.apple.com/en-in/guide/voiceover/welcome/mac
- Talk back ( Android – Mobile ) https://support.google.com/accessibility/android/answer/6283677?hl=en