Use unique IDs for active elements

SkillMedia

Lets your agent review HTML and UI components for duplicate or missing IDs on active elements, checking accessibility.

Available today. Use it from your connected AI after setup.

Connect ahel once, and every AI you use reads what you have installed.

Then ask your AI: use the Use unique IDs for active elements skill

About this capability

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.

What this skill tells your AI

The instructions your AI receives, as published by thedaviddias/front-end-checklist in skills/duplicate-id-active/SKILL.md and read by ahel’s review.

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

Signals

GitHub stars
74k
Forks
7k
Last commit
Aug 2026
Advanced
Catalog kind
skill
Gateway key
duplicate-id-active
Source
github.com/thedaviddias/front-end-checklist