How do I install the Duplicate Id Active skill?

Run npx skillmds@latest add thedaviddias/duplicate-id-active in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

Is Duplicate Id Active safe to use?

This skill has not completed SkillMD's automated safety review yet. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Duplicate Id Active?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Duplicate Id Active free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published Duplicate Id Active?

thedaviddias (@thedaviddias) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Duplicate Id Active by thedaviddias

Name: Duplicate Id Active
Author: thedaviddias

Duplicate Id Active

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

thedaviddias 2916d4c 2 files · 4.4 KB Updated Sep 17, 2026

File contents

Use unique IDs for active elements

Duplicate IDs on active elements can cause browsers and assistive technologies to skip items, misdirect focus, or fail to trigger the correct action.

Quick Reference

Ensure all focusable elements (links, buttons, inputs) have unique id values
Avoid duplicate IDs that can break keyboard navigation and focus management
Prevent screen reader confusion when navigating interactive controls

Check

Search for duplicate id attributes on focusable or active HTML elements.

Fix

Assign a unique id to each active element to ensure correct focus handling and accessibility.

Explain

Explain how unique IDs on active elements prevent navigation errors for keyboard and screen reader users.

Code Review

Review the rendered markup and interactive states that affect Use unique IDs for active elements. 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/duplicate-id-active

Frequently asked questions