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Articles » Spider-Friendly Webpage » Design Well-Formed HTML

Design Well-Formed HTML

Making a correctly formatted HTML code is one of the most important aspects when it comes to validating your HTML source code all the suitable tags should be closed to avoid the use of outdated source code method which cause the search engine to become confused and fail to distinguish your HTML code source.

When designing webpage's it important not to forget that a search engine spiders are only computer programs that perform by a preprogrammed set of rules and limitations so you want a webpage that also follows those same set of rules so that your website can be easily searched and receive a higher ranking.

When trying to improve the success of your webpage's ranking you may want to avoid a few different kinds of HTML code. Out dated or territorial of a single browser an example being an <blink> tag relates to both. Kinds of HTML codes which are very new or not recognized by the spiders most XML tags show this quality.

When making sure that your HTML code is easily digested by the search engine spider is to make sure that the HTML code conforms to principles which are laid out by the Associations of the World Wide Web (W3C).

Validation Service
W3C Markup Validation Service provides online tools for testing your webpages ( If you wish to validate specific content

  • by URL
  • by File Upload
  • by Direct Input (submit webpage source code)
If you don't receive an error message during the process means that your webpage is easily processed, and will be easily searched by the spider program.

How to eliminate barriers in information technology and make available new opportunities for people with disabilities
If you develop, procure, maintain, or use electronic and information technology for Federal agencies then you must give disabled employees and members of the public access to information that is comparable to the access available to others. It is recommended that you review the laws and regulations at to further your understanding about Section 508 and how you can support implementation. WebXACT is a free online service that lets you test single pages of web content for quality, accessibility, and privacy issues.

If your webpages have a valid DOCTYPE. This means that there is evidence that your are in compliance with principles used by the search engines and DOCTYPE files are easier for search engines to crawl, as well as for browsers to process, which also boost the performance of your website as well as your website being compatible with more customers browsers.

There are search engines out there that have a hard time when it comes to processing the XHTML DOCTYPE it is more recommended the you should use HTML 4.01 which is a transitional DOCTYPE which will appears like this <!DOCTYPE HTML PUBLIC"_//W#C//DTD HTML 4.01 Transitional//EN">