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HTML5 accessibility

This site tests which newish HTML5 features are accessibly supported by major browsers. This includes if they are keyboard accessible, mapped to the platform accessibility APIs, and if any accessibility related features are supported. An accessibly supported feature means it is usable by people who rely on assistive technology, without developers having to supplement with ARIA or other additional workarounds. Read What does acessibility supported mean for a comprehensive understanding of how to interpret these findings.

Feature Support Sections & Grouping Element Criteria Chrome/Opera Edge Firefox IE Safari article Accessibly supported yes yes yes partial yes Feature implemented yes yes yes yes yes Mapped yes yes yes no yes Name/Description yes yes   partial yes section Accessibly supported yes yes yes partial yes Feature implemented yes yes yes yes yes Mapped yes yes yes no yes Name/Description yes yes   partial yes nav Accessibly supported yes yes yes partial yes Feature implemented yes yes yes yes yes Mapped yes yes yes no yes Name/Description yes yes   partial yes aside Accessibly supported yes yes yes partial yes Feature implemented yes yes yes yes yes Mapped yes yes yes no yes Name/Description yes yes   partial yes header Accessibly supported yes yes yes partial yes Feature implemented yes yes yes yes yes Mapped yes yes yes no yes Name/Description yes yes   partial Yes footer Accessibly supported yes yes yes partial yes Feature implemented yes yes yes yes yes Mapped yes yes yes no yes Name/Description yes yes   partial yes figure Accessibly supported yes yes yes partial yes Feature implemented yes yes yes yes yes Mapped yes yes yes no yes Name/Description yes yes   partial yes figcaption Accessibly supported yes yes yes no yes Feature implemented yes yes yes yes yes Mapped yes yes yes no yes main Accessibly supported yes yes yes not implemented yes Feature implemented yes yes yes no yes Mapped yes yes yes n/a yes Name/Description yes yes   n/a yes Text-level Element Criteria Chrome/Opera Edge Firefox IE Safari time Accessibly supported yes yes yes not implemented yes Feature implemented yes yes yes no yes Mapped yes yes yes n/a yes Name/Description yes yes yes n/a yes mark Accessibly supported yes yes yes yes yes Feature implemented yes yes yes yes yes Mapped yes yes yes no yes Name/Description yes yes yes partial yes Graphics & Media Element Criteria Chrome/Opera Edge Firefox IE Safari canvas Accessibly supported yes yes yes partial yes Feature implemented yes yes yes yes yes drawFocusIfNeeded() yes yes yes no yes Mapped yes yes yes no yes sub-DOM yes yes yes yes yes audio Accessibly supported yes yes partial yes yes Feature implemented yes yes yes yes yes Mapped yes yes yes yes yes Keyboard yes yes no yes yes video Accessibly supported yes yes partial yes yes Feature implemented yes yes yes yes yes Mapped yes yes yes yes yes Keyboard yes yes no yes yes track Accessibly supported yes yes yes yes yes Feature implemented yes yes yes yes yes WebVTT or TTML yes yes yes yes yes Controls Element Criteria Chrome/Opera Edge Firefox IE Safari search input Accessibly supported yes yes yes partial yes Feature implemented yes yes yes yes yes Mapped yes yes yes no yes Name/Description yes yes   partial yes tel input Accessibly supported yes yes yes partial yes Feature implemented yes yes yes yes yes Mapped yes yes yes no yes Name/Description yes yes   partial yes url input Accessibly supported yes yes yes partial yes Feature implemented yes yes yes yes yes Mapped yes yes yes no yes Name/Description yes yes   partial yes Error state mapped yes yes   no yes email input Accessibly supported yes yes yes partial yes Feature implemented yes yes yes yes yes Mapped yes yes yes no yes Name/Description yes yes yes yes yes Error state mapped yes yes yes no yes datetime-​local input Accessibly supported yes yes not implemented not implemented not implemented Feature implemented yes yes no no no Mapped yes yes n/a n/a n/a Name/Description yes yes n/a n/a n/a Keyboard yes yes n/a n/a n/a date input Accessibly supported yes yes yes not implemented not implemented Feature implemented yes yes yes no no Mapped yes yes yes n/a n/a Name/Description yes yes yes n/a n/a Keyboard yes yes yes n/a n/a month input Accessibly supported yes yes not implemented not implemented not implemented Feature implemented yes yes no no no Mapped yes yes n/a n/a n/a Name/Description yes yes n/a n/a n/a Keyboard yes yes n/a n/a n/a week input Accessibly supported yes yes not implemented not implemented not implemented Feature implemented yes yes no no no Mapped yes yes n/a n/a n/a Name/Description yes yes n/a n/a n/a Keyboard yes yes n/a n/a n/a time input Accessibly supported yes yes yes not implemented not implemented Feature implemented yes yes yes no no Mapped yes yes yes n/a n/a Name/Description yes yes yes n/a n/a Keyboard yes yes yes n/a n/a number input Accessibly supported yes yes yes partial yes Feature implemented yes yes yes yes yes Mapped yes yes yes no yes Name/Description yes yes yes partial yes Error state mapped yes yes yes no yes Keyboard yes yes yes yes yes range input Accessibly supported yes yes yes partial yes Feature implemented yes yes yes yes yes Mapped yes yes yes yes yes Name/Description yes yes   partial yes Keyboard yes yes yes yes yes color input Accessibly supported yes yes partial not implemented no Feature implemented yes yes yes no yes Mapped yes yes partial n/a yes Name/Description yes yes yes n/a partial Keyboard yes yes yes n/a no datalist Accessibly supported yes yes yes partial yes Feature implemented yes yes yes yes no Mapped yes yes yes partial yes Keyboard yes yes yes yes yes output Accessibly supported yes yes yes not implemented yes Feature implemented yes yes yes no yes Mapped yes yes yes n/a yes Name/Description yes yes yes n/a yes progress Accessibly supported yes yes yes partial yes Feature implemented yes yes yes yes yes Mapped yes yes yes partial yes Name/Description yes yes   partial partial meter Accessibly supported partial yes partial not implemented yes Feature implemented yes yes yes no yes Mapped partial yes partial n/a yes Name/Description yes yes yes n/a yes details Accessibly supported yes yes yes not implemented yes Feature implemented yes yes yes no yes Mapped yes yes yes n/a yes Keyboard yes yes yes n/a yes summary Accessibly supported yes yes yes not implemented yes Feature implemented yes yes yes no yes Mapped yes yes yes n/a yes Name/Description yes yes yes n/a yes Keyboard yes yes yes n/a yes dialog Accessibly supported yes yes not implemented not implemented not implemented Feature implemented yes yes no no no Mapped yes yes n/a n/a n/a Keyboard yes yes n/a n/a n/a Properties Attribute Criteria Chrome/Opera Edge Firefox IE Safari hidden Accessibly supported yes yes yes yes yes Feature implemented yes yes yes yes yes Mapped yes yes yes yes yes required Accessibly supported yes yes yes partial yes Feature implemented yes yes yes yes yes Mapped yes yes yes yes yes Error state mapped yes yes yes no yes placeholder Accessibly supported yes yes yes partial yes Feature implemented yes yes yes yes yes Mapped yes yes yes no yes Name/Description yes yes partial partial yes How to Test

Each feature has its own test page, including the pass criteria, and spec references for the required mapping from HTML feature to the platform accessibility layer.

Browser support for a feature is automatically detected. This checks to see if the browser claims it supports the feature via object detection, not if it is fully supported correctly. If a feature is not supported, it is excluded from the scoring.

If a feature is supported, the next step is to test if it is correctly mapped to the platform accessibility layer. This must be tested manually. This can be done with one of the tools listed at the end of this section.

To be accessibly supported, elements that represent interactive controls must be fully keyboard accessible. Actions that must be able to be performed are listed in the test file, but shortcuts may be different between browsers and platforms.

Browser-Based Dev Tools Desktop Apps Notes & Further Resources Helpful Links Contributors

HTML5 Accessibility is developed and maintained by Steve Faulkner

Further design and development by David Storey and Melanie Richards.

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