FRONTEND AS A SERVICE | Quality assurance
Progressive enhancement is a design philosophy that provides a baseline of essential content and functionality to as many users as possible, while delivering the best possible experience only to users of the most modern browsers that can run all the required code.
Pixel Perfect or Better - Systematized Pixel Perfect is better
Accessible Rich Internet Applications (WAI-ARIA) 1.1
WAI-ARIA is a technical specification that provides a framework to improve the accessibility and interoperability of web content and applications. This document is primarily for developers creating custom widgets and other web application components..
WAI-ARIA Authoring Practices 1.1
WAI-ARIA Authoring Practices is a guide for understanding how to use WAI-ARIA 1.1 to create an accessible Rich Internet Application. It provides guidance on the appropriate application of WAI-ARIA, describes recommended WAI-ARIA usage patterns, and explains concepts behind them..
Web Content Accessibility Guidelines (WCAG) 2.1
Web Content Accessibility Guidelines (WCAG) 2.1 covers a wide range of recommendations for making Web content more accessible. Following these guidelines will make content more accessible to a wider range of people with disabilities, including accommodations for blindness and low vision, deafness and hearing loss, limited movement, speech disabilities, photosensitivity, and combinations of these, and some accommodation for learning disabilities and cognitive limitations; but will not address every user need for people with these disabilities. These guidelines address accessibility of web content on desktops, laptops, tablets, and mobile devices. Following these guidelines will also often make Web content more usable to users in general..