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World Congress 2025 • Aug 20, 2025 • Session details

Semantic HTML means it's semantic, right? Right?

Emma Dawson

Semantic HTML doesn't guarantee an accessible experience. Discover why screen readers silently ignore your perfectly nested tags, and how to properly audit your accessibility tree.

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#1 about 2 min

The case for semantic HTML in accessibility

Using correct elements improves code quality and creates consistent user experiences across different abilities.

#2 about 2 min

Browser rendering process and the accessibility tree

How the DOM translates interactive and meaningful elements into an accessibility tree for screen readers.

#3 about 2 min

Translating code elements into accessible tree roles

Mapping standard anchor and button tags to specific accessibility roles while ignoring meaningless structural elements.

#4 about 3 min

Testing screen readers and practical tooling combinations

Using specific pairings of screen readers and browsers yields accurate testing results for accessible features.

#5 about 2 min

Defining good bad and ugly semantic HTML elements

Categorizing structural elements by their genuine utility and how they interact with the accessibility tree.

#6 about 3 min

Managing noisy section elements in assistive technologies

Upgrading standard HTML sections with an accessible name establishes beneficial landmark regions.

#7 about 2 min

Contextual behavior of header and footer elements

Header and footer elements only act as landmarks when implemented as direct descendants of the body.

#8 about 2 min

Differentiating anchor links from interactive button elements

Assigning precise interactions via correct elements prevents confusing behavior for screen reader users expecting navigation.

#9 about 2 min

Limitations of semantic text styling for screen readers

Relying on elements like bold or emphasis for meaning fails because the accessibility tree ignores them.

#10 about 3 min

Handling inconsistent deletion and insertion element rendering

Managing cross-browser inconsistencies in announcing modified strings requires understanding current limited element support.

#11 about 3 min

Navigating unreliable separator and abbreviation tag compatibility

Understanding how screen readers inconsistently execute horizontal rules, line breaks, and abbreviations prevents poor accessibility defaults.

Matching moments

6:50 min

Navigating accessibility standards and screen reader support limitations

Aaron T. Grogg · Coffee With Developers

6:16 min

Leveraging semantic HTML output tags and aria live regions

Chris Heilmann Chris Heilmann +2 · LIVE

1:51 min

Leveraging semantic HTML instead of custom JavaScript elements

Konstantin Tieber · World Congress 2022

6:00 min

W3C accessibility guidelines and essential practices

8:18 min

Building interactive accessibility learning resources for web developers

Chris Heilmann Chris Heilmann +2 · LIVE

4:26 min

Evaluating user experience through screen readers and landmarks

Anuradha Kumari · World Congress 2022

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