Basic XML Concepts Search Engine Optimization
 by: Merilin Hooposhy


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XML originate from SGML (Standardized General Markup Language) and is a simplified version of it .it was developed members of w3c and released in Feb. it is an international standard that has been in use as a markup language primarily for technical documentation and government application since the early .it was developed to standardize the production process for large documents like medical records, company data bases and so on marking-up documents using sgml allowed information to be passed form one system to the next without losing any information. Early on, it was thought that sgmi would be used for the web but HTML a very basic subset of SGML became popular for its visual layout and ease of use .the focus next went on creating a language which has the strength and structural power of SGML and is as easy to use as html, the result was xml.

While using html your scope is limited to a specified set of tags. You can use html tags to present your information on a processing web designed page but then you are limited to only these specified tags .in XML on the other hand, you have the liberty to create the tags you want to use .it extends your ability to describe a document allowing you to define meaningful tags suiting your application requirements. If your web site contains many glossary terms, you can create a tag called for those terms. . While creating an XML document it is important that you plan the site very well, know the relationship between different section and items .always remember while using xml you are extending your tags to identify what they men and not to format the appearance of the content.

A simple XML document looks very much an HTML on web design page and search engine optimization. the difference lies in the that are used to create xml page .though they have the same opening and closing tags of an html tag but the names of the tag are very different .these tags actually define what the content is and the developer of the page has complete power to create tags a per application requirement,.

DTD (DOCUMENT TYPE DEFINITION)

A DTD is a set of rules that defines an XML document's elements, their relationship with each other, and the type of data contained within.

XML documents can be created with or without a DTD .an XML document without a dtd allows you to create markup tags without having to define it formally .on the other hand ,if an xml document contains a dtd then it is easier for the browser to internet the document ,as it then understands the document structure via the dtd.

WELL-FORMED XML DOCUMENTS

All XML document must be well-formed, that is, they must follow the XML syntax rules. If all the tags are correct in syntax and follow XML guidelines, then the document is considered a well-formed XML document .All well -formed document must begin with the following XML declaration:


About The Author
Merilin Hooposhy is an Experienced SEO and Internet marketing Expert Currently with SEO Canada Company Sempro. Search engine optimization Canada Firm. Internet Marketing Canada is necessary for all websites that expect good traffic

http://www.sempro.ca/