The guidelines or rules have been developed according to the best practices inthe creation of websites and there are certain reasons why you or your website designer and programmer should comply with the W3C guidelines.
There are some reasons for the validation of websites.
Social networking devices such cellphones and PDAs should be able to access your website throught these devices.

Web applications are marching towards collective knolwedge applications. Social media is making the interactive web more interesting for everybody.Social media websites have become popular and now they have developed some novel aplpications that allows easy integration witht thier features.

Sandbox is potential tool available for Word Press theme webdesigners and developers. The Sandbox can be easily designed with CSS. Experienced developers and designers can achieve good results with minimal work using Sandbox. Due to the rich, semantic markup and profusion of classes dynamically generated by the Sandbox, quite complex designs could be developed.

Social networks operate under  self directed business model, in which a social network’s members play dual roles as both the suppliers and the consumers of content. This is the major difference to a traditional business model, where the suppliers and consumers are separate agents.

YAML is a method of human friendly data serialization. This is standard for all programming languages.

Security over online sales and purchases is assured by the URL HTTPS. HTTPS (HTTP over SSL or HTTP Secure) is the use of Secure Socket Layer (SSL) or Transport Layer Security (TLS) as a sub layer under regular HTTP application layering.

This Secure transaction is certified through SSL or SSH .

Blueprint is a compressor script that will renders all the various CSS bits that you need according to the given column numbers and sizes for each project into one compact CSS file. It also gives the freedom to define semantic classes and IDs. So you can use something like class=”navigation” instead of class=”span-6 last”.

We want the crawler of the search engine  to download as many resources as possible from a particular Web site. A crawler would  normaly ascend to every path in each URL that it intends to crawl. For example, when given a seed URL of  ****.org/a/b/page.

Social networking websites like Facebook , Twitter,  have changed the way people communicate in their private lives. Collaboration software is definitely going to change their professional lives, employees share documents and they can brainstorm new ideas.
Collaboration  software can converge with business intelligence application(BI).