W3C

The Web Performance Working Group has published a Working Draft of Network Error Logging. This document defines a mechanism enabling web sites to declare a reporting policy that can be used by the user agent to report encountered network errors that prevented it from successfully loading the requested resource, the format of the error reports, and their transmission mechanism. Learn more about the Rich Web Client Activity.

The Linked Data Platform (LDP) Working Group invites implementation of the Candidate Recommendation of Linked Data Patch Format. Linked Data Patch Format (LD Patch) defines a language for expressing a sequence of operations for patching Linked Data resources; it is suitable for use with the HTTP PATCH method. Learn more about the Data Activity.

The first version of the WCAG-EM Report Tool: Website Accessibility Evaluation Report Generator was published today by the Education and Outreach Working Group (EOWG). The tool helps you generate website accessibility evaluation reports according to Website Accessibility Conformance Evaluation Methodology (WCAG-EM). WCAG-EM is an informative W3C Working Group Note. It describes an approach for evaluating how websites, including web applications and websites for mobile devices, conform to Web Content Accessibility Guidelines (WCAG) 2.0. We encourage feedback on this version of the WCAG-EM Report Tool and suggestions for improvements for the next version. Learn more about the Web Accessibility Initiative (WAI).

Updated Web Accessibility Tutorials on Forms, Images, and Tables are now available from the Education and Outreach Working Group (EOWG) and the Web Content Accessibility Guidelines Working Group (WCAG WG). These tutorials show you how to create web content that is accessible to people with disabilities and that improves the user experience for all users. They include general guidance, and specific examples for HTML5 and WAI-ARIA. Learn more about the Web Accessibility Initiative (WAI).

The Web Application Security Working Group has published a Working Draft of Content Security Policy Pinning. This document defines a new HTTP header that allows authors to instruct user agents to remember (“pin”) and enforce a Content Security Policy for a set of hosts for a period of time. Learn more about the Security Activity.

The group also published a Working Draft of Upgrade Insecure Requests. This document defines a mechanism which allows authors to instruct a user agent to upgrade a priori insecure resource requests to secure transport before Fetching them. Learn more about the Security Activity.

The HTML5 Image Description Extension (longdesc) was published today as a Recommendation by the HTML Working Group, with the approval of the Protocols and Formats Working Group. This extension for HTML5 adds a longdesc attribute that is used to provide links to detailed descriptions of images, and is part of W3C’s work to ensure that the Open Web Platform is accessible to people with disabilities. Learn more about the HTML Activity and the WAI Technical Activity.