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On-Page SEO Audit

Analyzes pasted webpage content for on-page SEO factors, including readability scores, meta tag lengths, heading structures, and generates Markdown audit reports. No external APIs needed. Used by SEO specialists, content creators, and web marketers for quick, self-contained audits.

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Overview

The On-Page SEO Audit MCP server processes pasted HTML or text content to evaluate core on-page SEO elements. It computes readability metrics, verifies meta tag compliance, assesses heading hierarchies, and outputs structured Markdown reports, all without external API dependencies.

Key Capabilities

  • Readability analysis: Calculates scores such as Flesch-Kincaid and Gunning Fog to measure text accessibility and grade level.
  • Meta lengths: Inspects title tags, meta descriptions, and other metas against SEO best practices (e.g., 50-60 chars for titles, 150-160 for descriptions).
  • Heading structure: Parses H1-H6 usage, checks for single H1, logical hierarchy, and keyword placement.
  • Markdown briefs: Compiles findings into concise, formatted Markdown reports for easy review and action.

Use Cases

  1. A content creator pastes a blog post draft; the server flags low readability scores and suggests heading optimizations before publishing.

  2. An SEO specialist copies multiple product page HTMLs sequentially to batch-audit meta lengths and heading issues across a site.

  3. A web developer pastes a landing page during QA; receives a Markdown report on structure flaws impacting crawlability.

  4. A marketing team audits competitor content by pasting scraped text, comparing readability and meta strategies.

Who This Is For

SEO analysts needing instant feedback on content without tools like Screaming Frog. Content writers optimizing drafts for search engines. Digital marketers performing pre-launch checks. Web developers ensuring pages meet SEO standards during builds.

PlaygroundUpdated Apr 8, 2026