e enjte, 21 qershor 2007

What is Accessibility?

'Accessibility: The quality of being accessible, or of admitting approach; receptibility'

Web Accessibility:

Wouldn't your business be rather unsuccessful if it was difficult to access, tough to approach or unreceptive?

Therefore, accessibility is an important factor as good accessibility means more people will be able to do business with you.

In this section of the course,you introduce the facts of accessibility, how to make your Web site more accessible, and how good accessibility can improve your online business.

You might wonder why you should care about 'accessibility' in Web design. To understand why accessibility is an important aspect of Web site design, let's take a look at Webster's definition of 'accessibility:'

Web Site Design:

You'll find how to design a site that centers totally around the user, and which allows them to meet their needs.

You'll discover:

  • how people use the Internet
  • how to design a user-centric Web site
  • how to design a great home page
  • how to design effective site navigation
Before that take care about that:

1)Average Internet users Do not exist:

2)Know your Users:

3)Profile of Users:

4)Likes and Dislikes of Users:

5)Types of Internet Users:

6)Habits of Users:

7)Limitation of Users:

8)Define your web site objectives:

What is Usability?

Usability is the extent to which a product can be used by specified users to achieve specified goals with effectiveness, efficiency and satisfaction in a specified context of use.

Effectiveness is the accuracy and completeness which specified users can achieve specified goals in particular environments.

Efficiency is the resources expended in relation to the accuracy and completeness of goals achieved.

Satisfaction is the comfort and acceptability of the work system to its users and other people affected by its use.

Ultimately, you want each of your users to have the perfect experience on your site, or at least one which results in them getting what they want.Therefore, "Web Usability" is the creation of Web sites that users want to use, with minimum amount of effort, time and frustration.

Web Usability

So, since people use the Internet, the most important component must be its usability. Yet, most Web designers spend most of their energy on the appearance of a site, without much regard for its usability.

The tips in this section will help you create a more efficient and effective Web site, which in turn will provide a more satisfying user experience.

You'll discover:

  • how to avoid common usability pitfalls
  • how to conduct your own usability testing
  • real-life case studies of how usability studies have helped well-known Web sites improve customer satisfaction and profitability

For Web designers and developers, the following chapters will help you produce more effective and efficient Web sites than those of your competitors.