Check Meta

Analyze and validate meta tags on web pages for SEO and social sharing.

Quick Start

cd /path/to/html-checker/scripts
bun src/check-meta.ts <URL>

CLI Options

| Option | Short | Default | Description | |--------|-------|---------|-------------| | --verbose | -v | false | Show all meta tags found | | --json | -j | false | Output results as JSON |

Checks Performed

| Check | Severity | Description | |-------|----------|-------------| | Missing title | Error | Page has no title tag | | Title too short | Warning | Title under 30 characters | | Title too long | Warning | Title over 60 characters | | Missing description | Error | No meta description | | Description too short | Warning | Description under 50 characters | | Description too long | Warning | Description over 160 characters | | Missing canonical | Warning | No canonical URL specified | | Missing og:title | Info | No Open Graph title | | Missing og:description | Info | No Open Graph description | | Missing og:image | Info | No Open Graph image | | Missing twitter:card | Info | No Twitter card meta | | Duplicate meta | Warning | Same meta tag appears twice |

Usage Examples

# Basic check
bun src/check-meta.ts https://example.com

# Verbose output
bun src/check-meta.ts https://example.com --verbose

# JSON output
bun src/check-meta.ts https://example.com --json

Output Example

Meta Analysis for https://example.com

Title: "Example Domain" (14 chars)
Description: "This domain is for use in illustrative examples..." (156 chars)

SEO Tags:
  [OK] title: Example Domain
  [OK] description: This domain is for...
  [MISSING] canonical

Open Graph:
  [MISSING] og:title
  [MISSING] og:description
  [MISSING] og:image

Twitter:
  [MISSING] twitter:card
  [MISSING] twitter:title

Issues Found: 5
  [WARNING] Title too short (14 chars, min 30)
  [WARNING] Missing canonical URL
  [INFO   ] Missing og:title
  [INFO   ] Missing og:image
  [INFO   ] Missing twitter:card

Recommendations:
  - Expand title to 30-60 characters
  - Add canonical URL to prevent duplicate content
  - Add Open Graph tags for social sharing

SEO Best Practices

• Title: 30-60 characters, include primary keyword
• Description: 50-160 characters, compelling call-to-action
• Canonical: Always specify to prevent duplicate content
• Open Graph: Essential for social media sharing

Related Files

• Command: plugins/html-checker/commands/check-meta.md
• Scripts: plugins/html-checker/scripts/src/check-meta.ts
• Check Headings: plugins/html-checker/skills/check-headings/
• Check Performance: plugins/html-checker/skills/check-performance/