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42-blog-seo-check

Validate blog posts for on-page SEO and output a pass/fail report.

Updated Aug 23, 2026
Search Tags:#checklist#validation#seo#blog#content-analysis#on-page
One-click install
npx skills add https://github.com/chapter42/SEO-Skills-42 --skill 42-blog-seo-check
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: 42-blog-seo-check
Source: https://github.com/chapter42/SEO-Skills-42/tree/main/skills/42-blog-seo-check
Command: npx skills add https://github.com/chapter42/SEO-Skills-42 --skill 42-blog-seo-check

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill performs a comprehensive on-page SEO validation for a completed blog post, generating a clear pass/fail checklist and prioritized fixes to improve search visibility and readability.

Core Features & Use Cases

  • On-page SEO validation after writing to catch issues before publishing.
  • Checks include title tag length, keyword placement, meta description quality, heading hierarchy, keyword density, internal/external link audit with anchor text analysis, canonical URL verification, OG/Twitter meta tags, URL structure, and image alt text presence.
  • Produces a prioritized fix list with specific recommendations and a structured report.
  • Works with file-based posts or URL-based content inputs and integrates into publishing workflows.

Quick Start

Provide the completed blog post to the skill to receive a prioritized fix list and validation report.

Frequently Asked Questions about 42-blog-seo-check

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I validate on-page SEO for a completed blog post?▼

Yes, you can check meta tags and canonical URLs by providing the completed blog post for validation. The skill verifies canonical URL correctness, OG tags, and Twitter meta tags, generating a report with specific fixes for any missing or incorrect metadata.

What is included in an on-page SEO content analysis checklist?▼

An on-page SEO content analysis checklist includes title tag length, meta description quality, heading hierarchy, keyword density, internal and external link audits, canonical verification, and image alt text presence. The result is a structured pass/fail validation report with actionable fixes.

How do I audit internal and external links for SEO compliance?▼

Audit internal and external links by running the blog post through an SEO validation workflow. The process checks link integrity and anchor text analysis, outputting a structured report that flags link issues and provides specific recommendations for SEO compliance.

Does blog post SEO validation work with file-based and URL inputs?▼

Yes, blog post SEO validation works with both file-based posts and URL-based content inputs. The skill processes the provided input, performs frontmatter extraction and content analysis, and integrates directly into your existing publishing workflow.

Why does my blog post fail heading structure and keyword density checks?▼

Your blog post fails heading structure and keyword density checks due to improper heading hierarchy or non-optimized keyword placement. The validation report identifies these specific content analysis errors and outputs a prioritized fix list to correct the structure.

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