web assessment tool

Accessibility Assessment Simulation Environment for New Applications Design and Development

ACCESSIBLE Workshop, 13 July 2010ACCESSIBLE Workshop, 13 July 2010Vienna University of Technology, AustriaVienna University of Technology, Austria

Web Assessment ToolWeb Assessment Tool

Konstantinos VotisKonstantinos Votis

CERTH/ITICERTH/ITI


The The Web Assessment ToolWeb Assessment Tool is an integrated tool that is an integrated tool that provides to users the opportunity to evaluate the accessibility provides to users the opportunity to evaluate the accessibility status of a web application (Web site) according to the Web status of a web application (Web site) according to the Web Content Accessibility Guidelines (Content Accessibility Guidelines (WCAG 2.0WCAG 2.0).).

Through the tool, designers and developers can be assisted Through the tool, designers and developers can be assisted on accessible software application development.on accessible software application development.

The basic idea is to perform a personalized accessibility The basic idea is to perform a personalized accessibility assessment process. This was achieved by the assessment process. This was achieved by the implementation of a implementation of a harmonized accessibility harmonized accessibility methodological approachmethodological approach (HAM). (HAM).

HAMHAM

HAM began from the HAM began from the International Classification of International Classification of FunctioningFunctioning (Functional Limitations), Disability and Health (Functional Limitations), Disability and Health (ICF), provided by the World Health Organization (WHO).(ICF), provided by the World Health Organization (WHO).

In the premises of ACCESSIBLE, the In the premises of ACCESSIBLE, the Functional Functional LimitationsLimitations were combined with were combined with DisabilitiesDisabilities, , User groupsUser groups, , Accessibility StandardsAccessibility Standards (WCAG2.0) and (WCAG2.0) and Assistive Assistive TechnologiesTechnologies (such as Screen readers). (such as Screen readers).

HAMHAM

As a result, all the As a result, all the DisabilitiesDisabilities (provided by W3C) were (provided by W3C) were mapped with the corresponding mapped with the corresponding Success CriteriaSuccess Criteria from from WCAG2.0.WCAG2.0.


The The Web Assessment ToolWeb Assessment Tool provides two different provides two different evaluation procedures. evaluation procedures.

1.1. Assessing a Web Site using manual selection of approachesAssessing a Web Site using manual selection of approaches

2.2. Assessing a Web Site using the HAM/PersonasAssessing a Web Site using the HAM/Personas


Steps when assessing a Web Site using manual selectionSteps when assessing a Web Site using manual selection

Choose the Web siteChoose the Web site

Choose between the “lite” and the “full” version (the latter includes all Choose between the “lite” and the “full” version (the latter includes all the approaches that are supported by the “lite” version, as well as some the approaches that are supported by the “lite” version, as well as some time consuming approaches)time consuming approaches)

Select the preferred Success Criteria (from WCAG2) that will be used Select the preferred Success Criteria (from WCAG2) that will be used in the evaluation processin the evaluation process


Steps when assessing a Steps when assessing a Web Site using the HAM Web Site using the HAM

Choose the preferred Choose the preferred Disability and as a result Disability and as a result the corresponding the corresponding approaches that should approaches that should be checked are provided be checked are provided to the userto the user


Steps when assessing Steps when assessing a Web Site using a Web Site using PersonasPersonas

Choose the preferred Choose the preferred Persona either from the Persona either from the ACCESSIBLE-based or ACCESSIBLE-based or the AEGIS-based the AEGIS-based Persona (Personas are Persona (Personas are defined users with defined users with specific disabilities)specific disabilities)

The corresponding The corresponding approaches, concerning approaches, concerning the selected Persona the selected Persona are provided to the userare provided to the user

Web Assessment Tool - ResultsWeb Assessment Tool - Results

The detected errors and warnings are provided to the user along with The detected errors and warnings are provided to the user along with corresponding information (such as description of the error/warning and a corresponding information (such as description of the error/warning and a suggested tip in order to solve the problem) suggested tip in order to solve the problem)

The accessibility score of the evaluated Web site is also providedThe accessibility score of the evaluated Web site is also provided

Web Assessment Tool - ResultsWeb Assessment Tool - Results

The results are also available in a PDF fileThe results are also available in a PDF file

Web Assessment Tool - EARLWeb Assessment Tool - EARL

Another functionality of the Another functionality of the Web Assessment ToolWeb Assessment Tool is the is the implementation of the Evaluation and Report Language implementation of the Evaluation and Report Language ((EARLEARL) 1.0 Schema) 1.0 Schema

EARL language defines a vocabularyEARL language defines a vocabulary which is used in order to which is used in order to describe tests resultsdescribe tests results

EARL language facilitates the exchange of test results between EARL language facilitates the exchange of test results between Web accessibility evaluation toolsWeb accessibility evaluation tools

The EARL report is provided in an xml file and also as a The EARL report is provided in an xml file and also as a human-readable PDF filehuman-readable PDF file


XML Version of EARL languageXML Version of EARL language


PDF Version of PDF Version of EARL EARL languagelanguage

web assessment tool

Technology

web application web

web assessment tool

evaluated web site

integrated tool

earl report

report language earl

schema earl language

accessibility standardswcag2