About

Optimifier is an association of developers of websites that have a common idea of sustainability. This value can be achieved by different means, but we decided to create some rules to define a sustainable website:
  • W3C Validation (required);
  • Mobile friendly;
  • Compressed websites for fast access;
  • SEO friendly websites

With this features we consider a website sustainable for online marketing and user experience in a regular way.

We invite all the developers using this patterns of website design to make a better web pages and to help internet be a nice place.

What is validation?

Validation is a common process of utilizing a tool and/or manual human audit to check the validity of web documents. Most web documents are written using HTML or XHTML and CSS markup languages. There are technical specifications that define these markup languages and they include a machine readable formal grammar. The act of checking a web document against these specifications is called validation.

Validating a website in a SEO perspective

I've given this much thought and I've come to the conclusion that I cannot explain the benefits of validation from an SEO perspective in one article, or maybe even two or three. We're talking years of reading technical documents at ALL levels of the W3, documents that provide a depth of understanding that goes beyond your everyday Surface SEO. This is the next step after all the SEO Plugins, now you need to understand what they are doing and how they may be harming your site, not helping it. This SHOULD have been the first step.

I've put together a short list of getting started with understanding the intricacies of HTML markup and the reasons for validation. If you do not read the associated content, you will NOT fully understand the core concepts of validation and why it is important to utilize proper semantic markup in ALL of your development projects.

You MUST first understand HTML in it's basic form. You'll also need to understand the basic concepts of CSS as the two languages work hand in hand.

Somes Studies about the Validaton

http://www.goer.org/Journal/2003/04/the_xhtml_100.html

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