HTTP/2 301 date: Fri, 16 Jan 2026 04:29:57 GMT content-length: 0 location: https://idpf.org/accessibility/guidelines vary: accept-encoding report-to: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=hUNwwHRecvCXHxT6aciNaWoPj0li%2BTmCJXfPD83lTmDonv6g1lp9p4r1r8NM%2BqyP5zDoeiDKVlS2DbthKy%2FP0L2l3bdG%2FyQuwH11cw%3D%3D"}]} nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800} server: cloudflare cf-ray: 9beadff4ec88ffa3-BOM HTTP/2 307 date: Fri, 16 Jan 2026 04:29:58 GMT content-type: text/html; charset=iso-8859-1 location: https://idpf.org/accessibility/redirect.html server: cloudflare strict-transport-security: max-age=63072000 content-security-policy: upgrade-insecure-requests; nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800} report-to: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=WROO4UwviJZp1COlRtUEwUN%2F3fu%2FJRF%2BtlE1tFqqfjsM3uYnWhxc3TuPmP%2B%2F5tTiF8FwVOvx4pgWxaRTk2sFfVE%2B6HaK%2Fpoo"}]} cf-cache-status: BYPASS vary: accept-encoding cf-ray: 9beadff55f2c3f9d-BOM alt-svc: h3=":443"; ma=86400 HTTP/2 200 date: Fri, 16 Jan 2026 04:29:58 GMT content-type: text/html; charset=utf-8 server: cloudflare strict-transport-security: max-age=63072000 content-security-policy: upgrade-insecure-requests; report-to: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=1qJ0nPWbFgCTOOOFY7X7CPeKE2HhT2BLUIZbHFts%2Blhc63Vwd%2F8oRYpS2NxuJjO3ZvZ0Wx8FuwzDFXoUDS8MeLYD68r4HL8N"}]} last-modified: Sun, 17 Nov 2019 23:25:30 GMT cf-cache-status: HIT vary: Accept-Encoding cache-control: public, max-age=2592000, s-maxage=2592000 nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800} content-encoding: gzip cf-ray: 9beadff779103f9d-BOM alt-svc: h3=":443"; ma=86400

Alert

With the merger of IDPF and W3C, the EPUB 3 Accessibility Guidelines are no longer being actively maintained. The site has been removed to avoid the presentation of outdated or incorrect practices.

For up-to-date accessibility guidance, please refer to the Accessible Publishing Knowledge Base.

You will automatically be redirected to the site momentarily.

Best practices for digital publishing are also under development by the Publishing@W3C initiative.