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Why are Using Standardized and Validated Code Important?

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    Why are Using Standardized and Validated Code Important?

    Although all web browsers understand and render HTML, they don’t all do it the same way. Each browser has proprietary extensions to HTML and CSS that it uses to create special effects because none of the standardized code can do what they web designers wants to do. The result is that code that looks and works great in Internet Explore may crash Firefox, Opera or Safari and vice versa. Unfortunately, many web designers choose to code for internet explore and ignore the other 35% of web surfers. There are hundreds of different browsers and more appearing as PDAs, cell phones and practically every other imaginable electronic device is being built to be “internet compatible”.

    It is impossible to test web pages on every browser. While testing on the major browsers will probably be sufficient for most people, web designers who want their websites to work on as many different platforms as possible can check the code they write to see if it meets the standards.

    They don’t use it because none of the most popular HTML editors generate 100% compatible code. The newer the standards, the less likely the code generated meet them. Of all the HTML editors available, Dreamweaver does the best job and Front Page the worst job. It’s not surprising that FrontPage, which is a Microsoft product, writes code almost exclusively for internet explorer. The rest of the popular HTML editors rank somewhere between FrontPage and Dreamweaver.


    Hand coding is no guarantee that the code will meet the standards either unless the person writing the code is well versed in the latest standards. Another problem is that a lot of the fancier and nicer features available are not universally supported by web browsers. Many web designers and web developers choose to ignore the 35% of web surfers so they can use the effects they want to use. In some cases, the site looks ok but doesn’t have all the functionality. Drop down menus are a common element commonly used that don’t work in some popular browsers. A good web designer will add a text link somewhere on the page for the parts of the menu that don’t work in all browsers. That way, the majority of visitors get the cool features while the others can still get where they want to go.

    As the number of web browsers continues to increase, standardized code becomes absolutely essential. If you use non-standard, non-validated code that doesn't work in a particular browser, it is your fault. If you use standard, validated code and it doesn't work, it is a bug in the web browser.
    Last edited by shg; 03-03-2009 at 12:37 PM.

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