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XML: XML situates for Extensible Markup Language (filename.xml) – a scripting language that permits the programmer to describe the properties of the document

 

Xenu Link Sleuth: Xenu Link Sleuth also known as Xenu and its basically popular free software tool which is check the all broken internal or external links and creating a free sitemap.


XHTML:
XHTML described as Extensible HyperText Markup Language is a class of conditions designed to move HTML to be conventional to XML formatting.

 

XML Feed: XML feed refers a form of paid inclusion where a search engine is ‘fed’ information about pages using XML, sooner than gathering that information throughout crawling actual pages. Marketers can paid to have their pages included in a spider based search index either annually per URL or on a CPC basis based on an XML document on behalf of each page on the client website.