EVALUATING ACCESSIBILITY AND USABILITY software application :camply and web application: Tumblr

Introduction

Camply: is an application provides the ability for users to practice English language speaking skill with native speakers at any time.


Tumblr: is a live platform. part social media and part blog. it provides tha capability to the user to add photos, sound, text, and videos.

Software Accessibility Evaluation
The evaluating of the accessibility for the software application Camply has based on the Department of Justice’s software accessibility checklist. for example:

software missing to some essential screen elements features to be accessibility.

Software Usability Evaluation
By Whitney Queensberry guideline:

It is notable comply software application easy to use.

It has an efficiency in the design of the software easy to understand
Web 2.0 Accessibility Evaluation
According to the official Web Content Accessibility Guidelines:

The website does not appear any alternative text that can describe the photo or videos or the functions of the icons.

It doe not provides any caption or caption live for the videos or display a sign language.
Web 2.0 Usability Evaluation
Based on an official paper posted by W3 called ‘Exploring Usability Enhancements’ the evaluating of usability of Tumblr.


Navigation: for the first time of using Tumblr pages, the user will find difficult to follow the map and movement of the website.

Feedback: In some Icons and instructions moving between page, Tumbler may highlight the important information but does not provide feedback about user cation in all places.

Web 2.0 Designing to Standards Evaluation
According to WCAG 2.0 the evaluating of Tumblr for standards :

Perceivable: not all the presentable information can perceive for the users who have disabilities such as photos and video.


Understandable: The result of does not have any description for the video or photo make the information misunderstandable.

Web 2.0 Browser and OS compatibility evaluation
The result of test Tumblr by using browserstack tool to shows that the tumbler running on the following operating systems:
some versions of Android
some versions of IOS
one version of Windows Phone
beta browser
Firefox
Chrome
Code Validation
By using W3C’s Markup Validation Service and The W3C CSS validation services the code validation result :
Tumblr a user account page appears has 7 HTML errors and 72 CSS errors.
Assistive technology
Wave: to check accessibility issues for the Tumblr
NVDA: to check the accessibility of the Tumbler
Atbar: this toolbar for compatibility between screen readers and Tumblr.
VoiceOver of MaC : to check the compatibility of the Tumblr with reader.
W3C Markup Validation Service: to check the HTML validity for the Tumbler.
W3C CSS Validation Service: to check the HTML validity for the Tumbler.
BrowserStack: this tool to test Tumblr on the browsers.

Tumblr