# Htmlhint

> Use this skill when the user wants to lint HTML files for best practices, accessibility issues, deprecated tags, and structural problems.

- Skill: `javimosch/htmlhint` (Agent Skill)
- Install (CLI): `npx skillmds@latest add javimosch/htmlhint`
- Raw SKILL.md: https://api.skillmd.com/api/skills/javimosch/htmlhint/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Web & Frontend
- Author: javimosch (https://skillmd.com/u/javimosch)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/javimosch/htmlhint

---


# HTMLHint Plugin

HTMLHint checks HTML files for markup quality, accessibility, and best practices.

## Usage Examples

- "lint index.html for common issues"
- "check all HTML files in src/ for accessibility problems"
- "validate HTML against custom ruleset"
- "run HTML linting with JSON output for CI"

## Installation

```bash
npm install -g htmlhint
```

## Key Features
- HTML validation and linting
- Accessibility rule checking
- Deprecated tag detection
- ID duplication checking
- Inline style usage detection
- Custom ruleset configuration
- JSON output for CI integration
- Multiple file format support