Chapter 3 – Some Big Concepts You Need to Know

Standards are specifications recommended by the World Wide Web Consortium for standardizing website design. The main purpose of web standards is to make it easier for both designers and those who create web browsers to make sites that will appear consistent across platforms, although browsers such as IE - Internet Explorer are slow to add the latest standards for website design.

Is a strategy for coping with unknown browser capabilities

In which you design the fully enchanted experience first, then create a series of fallbacks for non-supporting browsers

Is a strategy for providing custom layouts to designs based on the size of the browser window. A single HTML document must be functional on all devices.

The cache size needs to be increased

Is the main international standards organization for the the world wide web. The consortium is made up of member organizations that maintain a Full-Time staff for the purpose of working together on development standards for the World Wide Web.

*When an HTML document is written in logical order and its elements are marked up in a meaningful way, it will be usable on the widest range of browsing environments.*Includes the oldest browsers, future browsers, and mobile and assistive devices.

Create layers of experience simply by taking advantage of the way browsers parse style sheet rules

Is a strategy for dealing with unknown screen size

The alternative to a single responsive site is to build an entirely separate site with an unique URL, that gets served up when requested by a mobile site

Refers to the varying levels that define what a user can access, view, or perform when operating a system

People with low or no vision may use an assistive device such as a screen reader, Braille display, browser's text zoom function or a screen magnifier to get content from the screen.

Users with limited or no use of their hands may use special devices such as modified mice and keyboards, foot pedals, or joysticks to navigate the Web and enter information

Users with limited or no hearing will miss out on audio aspects of multimedia, so it is necessary to provide alternatives, such as transcript for audio tracks or captions for video

Users with memory, reading comprehension, problem solving, and attention limitations benefits when sites are designed simply and clearly.

A program for developing strategies, guidelines, and resources to help make the Web accessible to people with disabilities

Any website created using federal funds ensures that electronic information and technology information and technology is available to people with disabilities there is a website with requirements.

Addresses the accessibility of web applications that includes dynamically generated content, scripting, and advanced interface elements that are particularly confounding to assistive devices

Menu bar, progress bar, slider, timer and tooltip

Reduce the number of times the browser makes requests of the sever

Shows all the request made and assets downloaded

Is a strategy for providing custom layouts to designs based on the size of the browser window. A single HTML Document must be functional on all devices

Is to build an entirely separate site, with a unique URL, that gets served up when requested by a mobile device. Mobile users have very different usage patterns than computer users.

Vision ImpairmentMobility ImpairmentAuditory ImpairmentCognitive Impairment

A slow website results in reduced traffic, webpages.org is great to test peformance