Our review
Analyzes and validates meta tags on a web page for SEO and social sharing.
Strengths
- Identifies common title and description issues.
- Checks Open Graph and Twitter card tags.
- Provides actionable recommendations.
- Supports verbose and JSON output formats.
Limitations
- Only analyzes one page at a time.
- Does not assess content quality, only presence.
- May miss custom non-standard meta tags.
Use this skill to quickly audit the SEO metadata of a web page before publishing.
Do not use it for a comprehensive SEO analysis requiring tools like Lighthouse or Ahrefs.
Security analysis
SafeThe skill runs a pre-defined TypeScript script to analyze meta tags from a given URL. It does not instruct the AI to execute arbitrary code, perform destructive actions, or exfiltrate data. The use of Bash(bun:*) is broad but is consistent with the skill's needs.
No concerns found
Examples
Check meta tags for https://example.comRun check-meta on https://example.com with verbose mode to see all tags.Analyze meta tags of https://example.com and output as JSON.name: check-meta description: Analyze and validate meta tags on web pages. Use when users ask to check meta tags, verify SEO tags, audit page titles, check Open Graph tags, verify canonical URLs, or analyze social sharing tags. Detects missing title, description issues, duplicate tags, and Open Graph problems. argument-hint: [URL] allowed-tools: Bash(bun:*), Read, WebFetch
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/
Content Repurposer
Content
Transforms a single piece of content into platform-adapted publications.
SEO Blog Post Writer
Content
Writes SEO-optimized blog posts with proper structure and keywords.
YouTube Script Writer
Content
Writes engaging YouTube scripts with hooks, structure, and retention.