Web Science/Part1: Foundations of the web/Web Architecture/Web Content/Summary, Further readings, Homework/Quiz

{Which of the following statements is true? - HTML does not define layout + HTML tables can be used to position objects + Frames can be used to position objects - HTML is an alternative to XML - XML is better than HTML - HTML pages are always very accessible to blind people - Images make a page inaccessible to blind people
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 * several HTML elements are exclusively focused on layout and even structural ones, e.g. H1, at least affect layout
 * be careful though that such layout may be unwanted in certain situation
 * be careful though what a browser with unexpected screen size might make out of it
 * HTML, more specifically HTML4.0 and HTML 5.0, are specific XML applications
 * XML is the metalanguage, it serves a different purpose than the XML application HTML
 * HTML pages may be developed that they fail the Web accessibility guidelines
 * if alternative text is provided that states what the image depicts it may be good for people with good and bad eyesight

{Which of the following is true: + WYSIWIG HTML Editors take care of separating content and layout - the paragraph tag is layouting its content - the bold tag is emphasizing
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 * because it does not determine font, size, parskips etc
 * because if it occurs in a piece of text that is bold for other reasons, e.g. a bold heading, it does not emphasize at all

{Markup of content is of good quality when - transformation rules to target layout are kept to a minimum + the markup can be used for many different purposes - the resulting DOM tree is shallow - the resulting DOM tree is deep + the markup is easy to understand for a human reader + the target problem can be solved
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