By Dan Cederholm
Welcome to the extended moment version of Dan Cederholm's bestselling net criteria recommendations. internet criteria are the normal expertise necessities enforced by way of the realm broad internet Consortium (W3C) to ensure that net designers and browser brands are utilizing an analogous know-how syntax.
It is necessary that those implementations are an identical during the Web—otherwise, it turns into a messy proprietary position, and lacks consistency. those criteria additionally permit content material to be extra appropriate with a number of varied viewing units, comparable to display readers for individuals with imaginative and prescient impairments, cellphones, PDFs, and so on. HTML, XML, and CSS are all such technologies.
This e-book is your crucial consultant to realizing the benefits you could carry in your websites through enforcing net criteria and accurately how you can practice them. internet criteria comparable to XHTML and CSS are actually particularly recognized applied sciences, and they'll most likely be everyday to you, the net clothier. certainly, they're throughout you on the internet. even if, inside of net criteria nonetheless lies a problem: whereas the browser's help for net criteria is progressively expanding, many net builders and architects haven't begun to find the true advantages of net criteria and admire the necessity to adhere to them.
The actual artwork is in actually knowing the advantages and imposing the criteria successfully. As an easy instance of its energy, you should use CSS to put out your pages rather than nesting tables. this may make dossier sizes smaller, permitting pages to load swifter, eventually expanding accessibility for all browsers, units, and internet users.
* accelerated variation containing bonus material.
* Teaches the way to use net criteria successfully to construct larger internet sites.
* ideas kind promotes studying through work-through examples and exams.
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Extra info for Web Standards Solutions: The Markup and Style Handbook
Example text
37 WEB STANDARDS SOLUTIONS So you can see that organizing a table this way can also be useful for browsing software that supports independent scrolling of 8p^k`u: sections—and especially helpful for longer tables. 8pda]`: and 8pbkkp: elements must appear above 8p^k`u: sections to allow for browsers and devices to load that content first. An example of a table marked up with grouped table rows may go something like this: 8p]^ha: 8pda]`: 8pn: ***p]^ha da]`an _kjpajp*** 8+pn: 8+pda]`: 8pbkkp: 8pn: ***p]^ha bkkpan _kjpajp*** 8+pn: 8+pbkkp: 8p^k`u: 8pn: ***p]^ha `]p] nks*** 8+pn: 8pn: ***p]^ha `]p] nks*** 8+pn: 8pn: ***p]^ha `]p] nks*** 8+pn: 8+p^k`u: 8+p]^ha: You can see that both the header and footer information gets placed before the data rows when using 8pda]`: and 8pbkkp:.
We’re also setting the image to the bottom of 24 HEADINGS the element, and by adding a little extra l]``ejc) ^kppom, we can adjust the space between the tiled image and the text above (see Figure 2-7). Figure 2-7. A heading with tiled background image 2 Swappable icons Instead of hard-coding decorative bullets and icons on the page as inline images, we can continue to use the ^]_gcnkqj` property to set icons to the left of the text using CSS. This method makes changing the look and feel of a site a snap—with the update of that one CSS file instantly changing all the pages of an entire site.
Method B: Visual browsers will render the text only in bold and the same size as the default. We can’t style this heading uniquely from other text on the page. Search engines won’t place greater importance over headings that are marked up with 8l: and 8^: elements. 21 WEB STANDARDS SOLUTIONS Method C: Conveys meaning to the text contained within. Visual and nonvisual browsers will treat the heading correctly regardless of any style that is associated with it. Easily styled uniquely with CSS. Search engines will place importance on keywords contained within heading elements.
