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/
