Download Microformats : empowering your markup for Web 2.0 by John Allsopp PDF

By John Allsopp

In this publication, famous net developer and very long time WaSP member John Allsop bargains useful examples to educate all you want to find out about Microformats. assurance info what Microformats are presently to be had and the way to take advantage of them; the overall rules of the way they paintings; find out how to use Microformats with websites and software program that already help them; and the way to create your individual. the tip of the booklet incorporates a bankruptcy filled with anecdotes from many pro net designers and builders already utilizing Microformats of their paintings today--what labored, what did not, issues to observe for--so you could research from their experiences.

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Similarly, you can find developers using headings when they want “big and bold” text, even for content that isn’t a heading. ”1 Using headings appropriately brings practical benefits. , software that reads web pages to its users, who typically suffer from some kind of visual disability), such as JAWS, uses the headings on a page to create navigation for its users. It’s a common misconception that screen reader users simply “listen to” web pages. Just as we know most sighted users will skim content, looking at significant parts of a page like headings, a screen reader allows its users to do likewise.

Figure 3-8 shows an entirely appropriate use of a table in HTML. ) 3 Figure 3-8. An acceptable use of an HTML table Figure 3-9 shows the kind of thing tables are not designed for. Figure 3-9. This type of layout is not what you use HTML tables for! gov) is done with tables. Why is this bad? —into rows and columns of cells. Tables should not be used purely as a means to layout [sic] document content as this may present problems when rendering to non-visual media. Additionally, when used with graphics, these tables may force users to scroll horizontally to view a table designed on a system with a larger display.

You can enter the URL of a page into the W3C validator to check it. You can upload your HTML file directly from your hard disk, as shown in Figure 3-4. Figure 3-4. You can upload a page from your hard disk to the W3C validator. qxp 2/28/07 5:51 PM Page 33 STRUCTURAL AND SEMANTIC HTML You can simply paste your HTML directly into a form field, as shown in Figure 3-5. Be aware that some browsers may have problems with large HTML documents if you do this. 3 Figure 3-5. You can paste code that you want checked directly into the W3C validator.

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