Accessmonkey: Scripting Accessibility

Accessmonkey Jeffrey P. Bigham and Richard E. Ladner University of Washington Computer Science & Engineering W4A 2007 Scripting Accessibility

Goals
Remove dependence on developers
Enable users to improve content
Enable users to share improvements
More efficient development process
Enable developers to leverage improvements
Automated improvements as suggestions
Introduction

Accessible Content Production
User Influence
Choosing and configuring technology
Consultation and Lawsuits
Introduction

WebInSight 1 Introduction Making Images Accessible WebInSight

WebInSight (continued)
Proxy-based system inadequate
Wanted client-based solution
Implemented as a Greasemonkey script
Alternative text provided for web users
Automatic improvement for users
Suggestions for developers
Other transformations share this property!
Introduction

Introduction
Accessmonkey
Example Usage
Future Work
Outline

Greasemonkey 1 Firefox Extension
Allows users to inject custom Javascript
Customize look and feel
Combine data from multiple sites
Alter pages to make them more accessible
Desired features
Include developers
Used in multiple browsers
Enable collaboration
Accessmonkey [1] Greasemonkey Firefox Extension. http://greasemonkey.mozdev.org

Accessmonkey
Preserves Greasemonkey Features
Multiple browsers and platforms
Framework for users and developers
Web Developers
Separate Interface
Edit and save
Accessmonkey Scripting Accessibility

Accessmonkey Framework
Web developers
Suggestions
Web users
Automatic
Accessmonkey

Writing Scripts
Who can write scripts?
Anyone who can write Javascript
Those who would directly benefit (and friends)
Web Developers
Developer interface
Implementations provide area
Allows users to toggle user/dev mode
Accessmonkey

More than Manual Annotation
Removes dependence on Web Developers
Users independently improve content
Collaborative Accessibility
Harnessing Human Power
Amazon Mechanical Turk 1
ESP Game 2
[1] http://www.mturk.com/ [2] von Ahn et al . Labeling Image with a Computer Game . (CHI ‘04). Accessmonkey

Introduction
Accessmonkey
Example Usage
Future Work
Outline

Example Usage
Web users
Find/create scripts they want
Scripts transform pages automatically
Web Developers
Find/create scripts they want
Use to edit pages
Save changes
Example Usage

What else can scripts do?
Personalized Edge Services 1
Many simple transformations
Context-driven Web Browsing 2
Direct to content that matters
Site-specific Scripts
Anything!
[1] Iaccarino et al. Personalizable edge services for web accessibility. [2] Mahmud et al. CSurf: A Context-Driven Non-Visual Web-Browser.

Menu: No Style
Inefficient to Access

Introduction
Accessmonkey
Example Usage
Future Work
Outline

Next Steps
WebInSight Access Tools
Script Writing
Script Discovery
Future Work

Easier Script Writing
Existing tools
Programming-by-Demonstration
Web Macros 1 , WebVCR 2 , PLOW 3 , etc.
Platypus
Not targeted for improving accessibility
Visual interfaces
[1] Safonov et al . Web macros by example: users managing the www of applications . [2] Anupam et al. Automating web navigation with WebVCR . [3] Jung et al. One-shot procedure learning from instruction and observation . Future Work

Script Discovery
Online Repository
User-contributed scripts
Discover As-You-Go
Finds Applicable Scripts as a User Browses
Find even if you can’t write
Challenges
Usability
Maintaining Security
Future Work

Conclusion
Accessmonkey
Extends influence to web users
Allows web developers to benefit
Leverages skill and motivation of users
Embrace Web 2.0
Challenges need to be solved
Potential to increase web accessibility

WebInSight http://webinsight.cs.washington.edu Thanks to: National Science Foundation , T.V. Raman, Sangyun Hahn, Oscar Danielsson, Gordon Hempton, Ryan Kaminsky, and GW Micro.

Accessmonkey: Scripting Accessibility

by Jeffrey Bigham on May 07, 2007

Accessibility

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