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Why Validate Your Pages?

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There are many reasons to write valid HTML, XHTML, and CSS and to check for valid links. Here are some of them:

Mobile Devices

Mobile devices have become very popular, and many people may be viewing your website on a mobile device. Any HTML or CSS problems could be especially harmful for viewers using browsers on mobile devices, so this is another great reason to validate your web documents.

Variety of Browsers

Today there's a wide variety of browsers that may be used to view your site. To cater to this variety, a developer should build sites that work well in all the major browsers. This might include Firefox, Google Chrome, Opera, Safari, Internet Explorer and the increasing number of mobile browsers. Making sure that the HTML & CSS is correct is the first step in making sure that a site will display correctly in multiple browsers.

Different Rendering Engines

Different browsers use different rendering engines so tricks used to make HTML render as desired in one browser may not work in another browser or even in an earlier or later version of the same browser. Fortunately, browsers today are driving toward standards compliance, and proprietary elements like "layer" and "ilayer" are being dropped. So what can be done to make sure that your pages render properly in different browsers and different versions of the same browser?

The best way to ensure that web pages render properly in web browsers is to write valid HTML in the first place. Problems that visitors have when they view pages with different browsers may often be due to bad HTML and not an issue with the browser. Furthermore, some browsers are less forgiving of bad HTML than other browsers like Internet Explorer (which can be very forgiving). Don't rely on the user's browser to be forgiving of bad HTML & CSS. It's best to write it right the first time.

CSS HTML Validator Home, Professional, or Enterprise

CSS HTML Validator is designed to be nothing but the best tool there is for finding HTML, XHTML, and CSS problems in the easiest way possible. It makes the critically important duty of checking your web documents as productive and thorough as possible. Find out why CSS HTML Validator is better than other programs and online services.

You can also read about how CSS HTML Validator can be useful to you.