Chapter 1: Images

Images drive people attention and make them comfortable on your website. Web authors want to use images that are relevant to the content of the page. A picture is worth thousand words. While content is important, visuals allow the visitor to stop and read the content if the image gives the right perception to them. […]

Chapter 2: Links

Hyperlinks or simply links are the elements on the website that connect one page to another. These links also connect one website to another or simply allow the user to jump from  one portion of the page to another portion of the same page. Points to remember Links must have a description that informs the […]

Chapter 3: Tables

Primarily we observe two types of tables on web pages. Layout tables Data tables. Layout tables Avoid using tables for layout. Tables must be used purely for representing some data. They should not be used to present the content on the web page. Tables that are used for presenting the content on the page are […]

Chapter 4: Headings

Headings form the most important part in the structure of the page. They allow the users to skim through the page and directly read the information they need. Headings also help user’s those depend on screen readers to skip the repeated navigational elements and directly jump to the main content region of the page. Screen […]

Chapter 5: Lists

Lists are quite common on web pages. They are used to denote similar items grouped together on a page. However it is worth understanding the types of lists supported by markup and how to use them effectively. HTML markup support 3 types of lists. Unordered list: These can have one or more items that are […]

Chapter 6: Forms

Accessibility of forms is an important and major concepts in web accessibility. In one or the other ways, every website will have at least one form. While most other elements on the web page allows the user to read the content or understand the visual presence or will allow the user to move between the […]

Chapter 7: Error Handling

As we validate each form element before the user submits the response, we must think about the post submission. Post submission user may have two possible responses. The successful submission and the unsuccessful submission of the form. The successful submission is not so complicated. If the user is informed that the submission is successful with […]

Chapter 8: Language

The language of each page must be specified in the markup. This will allow user agents such as browsers to render the content in the specified language. Further it allows the assistive technologies such as screen readers to interpret the language in which it has to speak out for the user. The default language is […]

Chapter 9: Other Semantics

Certain elements of the markup may not provide semantic meaning to the user. Either alternates for such elements need to be used to convey the intended context / information to the user or an alternate mechanism have to be provided. A strike-off element <s> element is used to strike-off the content representing it is no […]

Chapter 10: Parsing

While developing a web page, it is possible to make mistakes. Similar to any programming language, the HTML markup also need to be validated to have a clean and semantic code. The interesting part is not all the markup defects need to be fixed to meet WCAG compliance though it is good to fix all. […]

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