E.1 Informative references

[GPII]

The Global Public Inclusive Infrastructure. URL: http://gpii.net/

[HTML]

HTML Standard. Anne van Kesteren; Domenic Denicola; Ian Hickson; Philip Jägenstedt; Simon Pieters. WHATWG. Living Standard. URL: https://html.spec.whatwg.org/multipage/

[HTML5]

HTML5. Ian Hickson; Robin Berjon; Steve Faulkner; Travis Leithead; Erika Doyle Navara; Theresa O'Connor; Silvia Pfeiffer. W3C. 27 March 2018. W3C Recommendation. URL: https://www.w3.org/TR/html5/

[ISO 9241-112]

Ergonomics of human-system interaction — Part 112: Principles for the presentation of information. International Standards Organization. URL: https://www.iso.org/standard/64840.html

[mailto]

The 'mailto' URI Scheme. Internet Engineering Task Force (IETF). URL: https://tools.ietf.org/html/rfc6068

[personalization-semantics-1.0]

Personalization Semantics 1.0. W3C. URL: https://www.w3.org/TR/personalization-semantics-1.0/

[personalization-semantics-content-1.0]

Personalization Semantics Content Module 1.0. Lisa Seeman-Horwitz; Charles LaPierre; Michael Cooper; Ruoxi Ran; Richard Schwerdtfeger. W3C. 27 January 2020. W3C Working Draft. URL: https://www.w3.org/TR/personalization-semantics-content-1.0/

[personalization-semantics-help-1.0]

Personalization Help and Support 1.0. Lisa Seeman-Horwitz; Charles LaPierre; Michael Cooper; Ruoxi Ran; Richard Schwerdtfeger. W3C. 11 July 2019. W3C Working Draft. URL: https://www.w3.org/TR/personalization-semantics-help-1.0/

[Section255]

Telecommunications Access for People with Disabilities. Federal Communications Commission. URL: https://www.fcc.gov/consumers/guides/telecommunications-access-people-disabilities

[voicexml21]

Voice Extensible Markup Language (VoiceXML) 2.1. Matt Oshry; RJ Auburn; Paolo Baggia; Michael Bodell; David Burke; Daniel Burnett; Jerry Carter; Scott McGlashan; Alex Lee; Brandon Porter; Kenneth Rehor et al. W3C. 19 June 2007. W3C Recommendation. URL: https://www.w3.org/TR/voicexml21/

[wai-aria-1.2]

Accessible Rich Internet Applications (WAI-ARIA) 1.2. Joanmarie Diggs; James Nurthen; Michael Cooper. W3C. 2 March 2021. W3C Candidate Recommendation. URL: https://www.w3.org/TR/wai-aria-1.2/

[wai-aria-practices-1.2]

WAI-ARIA Authoring Practices 1.2. Matthew King; JaEun Jemma Ku; James Nurthen; Zoë Bijl; Michael Cooper; Joseph Scheuhammer; Lisa Pappas; Richard Schwerdtfeger. W3C. 18 December 2019. W3C Working Draft. URL: https://www.w3.org/TR/wai-aria-practices-1.2/

[WCAG22]

Web Content Accessibility Guidelines (WCAG) 2.2. Charles Adams; Alastair Campbell; Rachael Bradley Montgomery; Michael Cooper; Andrew Kirkpatrick. W3C. 11 August 2020. W3C Working Draft. URL: https://www.w3.org/TR/WCAG22/

[webauthn-2]

Web Authentication: An API for accessing Public Key Credentials - Level 2. Jeff Hodges; J.C. Jones; Michael Jones; Akshay Kumar; Emil Lundberg. W3C. 8 April 2021. W3C Recommendation. URL: https://www.w3.org/TR/webauthn-2/