The World Wide Web is the most desired destination among all internet users and the vast arena that the World Wide Web offers are enough to quench the thirst of the consumers who look upon it as a sort of virtual encyclopedia filled with necessary information about anything and everything in the world. The internet is a platform which consists of innumerable websites displaying multifarious content and these websites have emerged today as important tools which allow a firm or an organization not only to advertise its products but in this way they are able to reach put to a wider audience and therefore it facilitates marketing and ensures profit. One of the most significant factors that need to be borne in mind is that in such cases, the websites need to be designed well in order to allure the consumer's eye apart from providing all the vital information necessary. A website which is dull in appearance and does not contain adequate data that is required for the consumers adversely affects marketing. Therefore website designing is a very important aspect of setting up a website. Web accessibility refers to a very important mode by means of which the websites need to follow certain accessibility rules in order to make themselves easily accessible in the huge platform of the World Wide Web. One of the essential factors that need to be addressed by the website designers is to ensure that a website should be able to make itself accessible to people form all walks of life and even those with disabilities. This is why it is often found that certain contents in websites have larger font sizes enabling the weak sighted to read it easily. Some websites have close caption video inputs to aid the deaf. At times many links are found to be colored and underlined and these are meant for those users who are color blind. For individuals suffering form learning complications or dyslexia, often diagrammatic representations and animated versions are available in websites.
There are certain rules that have to be conformed by websites in order to ensure better accessibility. One of the important functions here includes the using of a legitimate markup language which obeys Schema or DTD formats. Each document should be composed of semantic markup which provides a distinct structure to the web page and at the same time ensures that its contents are accepted by other web pages providing different web based services. CSS is more preferred for layouts while use of frames is prevented.
When we talk about web accessibility we tend to mean accessibility for people with disabilities. However, it is beneficial to look at site accessibility in broader terms. If your site is inaccessible to any particular group of people then you are losing out on potential visitors. For instance, while it's true that the majority of surfers use one or another incarnation of Internet Explorer (IE), there is an increasingly large percentage of people using Mozilla Firefox and other alternatives. These browsers deal with HTML and other languages in different ways. What may be accessible on IE may not be accessible on Firefox, and vice versa.
The Spread Of The Internet
The Internet has instilled itself into many of our lives. It is the world's largest resource where information is freely passed and distributed between millions of people. Research for individuals and businesses has become a streamlined process thanks to search engines, directories, and reference websites. Because of this interjection into our daily routine, we have come to rely more and more heavily on the Internet for an increasing number of purposes. As such, making your website accessible to as many people as possible is vital to its overall success.
Ensuring Accessibility Is Available
Fortunately, most browsers have the capability to change website settings. A simple click of the mouse and an arrow key can change text size, and software is available that turns ordinary textual content into audio content. But websites need to be optimized so that they are as easily accessible in all of these settings. Generally, this means following good design principles and meeting accessibility guidelines. These are just some of the more common examples:
Text Alternatives
Audio, video, and graphical content is not always accessible for your visitors. This can be true for visitors with disabilities as well as those with limited browser capability. The most common example of this is the image Alt tag. The contents of the Alt tag are displayed in browsers that do not have the capability to display the image.
Accessible Without CSS
CSS, or Cascading Style Sheets, have become popular because of the ease and flexibility they offer but they may not always be accessible. Ensure that a page renders and loads legibly without the accompanying CSS. Providing good, clean HTML has been used, this should be accomplished.
Keyboard Navigation
It should be possible to navigate around a page using just a keyboard, as well as using a mouse. Ensure that there are no traps on your page where the cursor or screen may become stuck when doing this. Some users prefer the use of the keyboard, while others may not have access to a mouse when viewing your page.
Provide An Alternative Page
There are many reasons why a page, or page element, may be inaccessible to a person, browser, or system. Providing an alternative for every eventuality is not always possible with more complex pages. In these cases, and when all else fails, provide an alternative version of the page that can be accessed by anybody. Typically, this means a text only version, or an HTML only version at the very least.
Web Accessibility For All
Web accessibility is taken seriously. No matter how small a demographic segment you may be missing, you are potentially missing out on visitors if your pages are in any way inaccessible. This will alienate possible visitors and also the people they communicate with on a regular basis.
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