Importance of updating web pages
This document includes fourteen guidelines, or general principles of accessible design.Each guideline includes: Review the document for clarity and simplicity.This enhances the functionality and universality of the Web.The English version of this specification is the only normative version. The list of known errors in this document is available at This includes not only making the language clear and simple, but also providing understandable mechanisms for navigating within and between pages.Providing navigation tools and orientation information in pages will maximize accessibility and usability.they are using (e.g., desktop browser, voice browser, mobile phone, automobile-based personal computer, etc.) or constraints they may be operating under (e.g., noisy surroundings, under- or over-illuminated rooms, in a hands-free environment, etc.).Following these guidelines will also help people find information on the Web more quickly.
W3C's role in making the Recommendation is to draw attention to the specification and to promote its widespread deployment.
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A list of current W3C Recommendations and other technical documents can be found at
Robert Lloyd, the Director of Performance Improvement at IHI, uses his trusty whiteboard to dissect the science of improvement.
In short videos, he breaks down everything from Deming's System of Profound Knowledge, to the PDSA cycle, to run charts.