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Object Alt

Design
object-alt

Object Alt is an Agent Skill for design published in the thedaviddias/Front-End-Checklist repository on GitHub: a SKILL.md instruction file an AI agent can load to do this task.

Use when reviewing rendered HTML, interactive components, or design-system patterns related to Provide alternative text for objects. Check native semantics first, then inspect keyboard behavior, focus flow, accessible names, and screen-reader output where relevant.

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How to use this skill

Bring this guide into your coding agent with a prompt tailored to the tool you use.

  1. Open your project in Codex.
  2. Copy and paste the prompt below.
  3. Review files and risks before approving any action.
Prompt to paste
Inspect the Agent Skill at https://github.com/thedaviddias/Front-End-Checklist/blob/HEAD/skills/object-alt/SKILL.md and all supporting files. Report provenance, permissions, scripts, dependencies, and security risks. Propose an exact installation into .agents/skills/object-alt, but wait for my approval before writing files or running scripts.

Copying this prompt does not install or run the skill. Review third-party files before use.

Provide alternative text for objects

If an object fails to load or the user's browser doesn't support the format, alternative text ensures that the information is still accessible.

Quick Reference

  • Include descriptive alternative text inside every <object> element
  • The fallback content should serve as a functional equivalent
  • Use simple text or other semantic elements as alternative content

Check

Check all <object> elements in the HTML to ensure they contain descriptive fallback content.

Fix

Add alternative text or a semantic fallback inside the <object> tags.

Explain

Explain how fallback content in <object> tags helps users who cannot load or view the primary object content.

Code Review

Review the rendered markup and interactive states that affect Provide alternative text for objects. Flag exact elements, roles, labels, focus behavior, or keyboard interactions that violate the rule, and note how to verify the fix with browser accessibility tooling or assistive tech.

For full implementation details, code examples, and framework-specific guidance, see references/rule.md.

Rule page: https://frontendchecklist.io/en/rules/accessibility/object-alt