It obsoletes all other previously-published HTML specifications. I saw the rise of Research and Evidence - Purdue OWL - Purdue University How to Find Authoritative Sources - Constant Content (A Division of The reason to use an empty alt instead of not including it is because many screen readers announce the whole image URL if no alt is provided. There may be times where an image is included in a page's design, but its primary purpose is for visual decoration. Now have a look at our punk bands table example you can see a few accessibility aids at work here: Note: See our HTML table advanced features and accessibility article for more details about accessible data tables. Your authoritative nameserver does have the correct record, but an old record is cached and you need to wait for the cache to expire To be able to tell which one is happening (do you need to make a change, or do you just need to wait? The FASB Standards-Setting Process Identify current investor issues Draft issue agenda and hold public meetings You can jump to the next/previous heading in many screen readers. Cascading Style Sheets ( CSS) is a rule-based language used to apply styles to your HTML for example, setting text and background colors, adding borders, animating things, or laying out a page in a certain way. Your email address will not be published. You can also bring up a list of all headings in many screen readers, allowing you to use them as a handy table of contents to find specific content. Later articles on WAI-ARIA and multimedia will look at other aspects of UI accessibility. HTML5 - Wikipedia The agile train is faster. for a little while. Our WAI-ARIA basics article will help to fill gaps in this knowledge, but this article has taken care of the basics. Which elements are used to convey meaning, instead of just typesetting convention? Other form elements have different controls; for example, the