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AITDK SEO Extension vs MDX SEO Validator

Provides broader site-wide SEO analysis and keyword tools, but is a separate browser extension rather than an IDE integration.

Which to pick

Pick AITDK SEO Extension if you want…

  • All-in-one free SEO browser extension
  • Comprehensive SEO auditing outside the editor

Pick MDX SEO Validator if you want…

  • Real-time SEO checks inside VS Code
  • A free, open-source tool

Side by side

What it is
AITDK SEO Extension:AITDK SEO Extension is a free Chrome extension that provides on-page SEO audits, traffic stats, WHOIS lookup, keyword density and more.
MDX SEO Validator:MDX SEO Validator is a free VS Code extension that validates SEO metadata in MDX/Markdown files with a live Google search preview.
Best for
AITDK SEO Extension:All-in-one free SEO browser extension
MDX SEO Validator:Real-time SEO checks inside VS Code
Who it’s for
AITDK SEO Extension:SEO professionals, webmasters and marketers needing quick site analysis
MDX SEO Validator:Developers writing content-driven sites with Next.js, Astro, or Remix
Pricing
AITDK SEO Extension:Freemium
MDX SEO Validator:Free
Plans
AITDK SEO Extension:Free $0 · Starter $10 per month · Pro $20 per month
MDX SEO Validator:—
Open source
AITDK SEO Extension:—
MDX SEO Validator:Yes, 1 GitHub stars
Works with
AITDK SEO Extension:—
MDX SEO Validator:VS Code, Next.js, Astro, Remix

AITDK SEO Extension features

  • On-Page SEO Audit. Shows title, description, URL, H tags, images, links and other core SEO elements of any page.
  • Website Traffic Analysis. Displays monthly visits, bounce rate, dwell time, global rank and traffic source breakdown.
  • WHOIS Lookup. Provides domain registration, expiry dates, registrar and nameserver information.
  • Keyword Density Check. Lists most frequent keywords with count and density for the current page.
  • Headings & Images Analysis. Shows heading hierarchy, image alt/title status and link ratios (dofollow/nofollow).
  • Metadata Extraction. Collects and displays all metadata from the page in a clear format.

MDX SEO Validator features

  • Live Google Search Preview. Shows exactly how the page will appear in Google results as you type, with character counts and favicon.
  • SEO Score & Validation. Provides an overall 0-100 SEO score and detailed rule-by-rule feedback for meta tags, content, images, and links.
  • Framework-Aware Detection. Automatically detects favicons and metadata for Next.js, Astro, Remix and generic projects.
  • Real-Time Updates. Validates title length, description, heading hierarchy, alt text and more on each keystroke (≈300 ms debounce).
  • Configurable Settings. Allows framework selection and site domain configuration via VS Code settings.
  • Vanilla JS Webview. Uses a lightweight inline HTML/CSS/JS webview for fast load times (~10 KB).

AITDK SEO Extension vs MDX SEO Validator FAQ

Is AITDK SEO Extension or MDX SEO Validator free?+

AITDK SEO Extension has a free plan; paid plans start at $10/month (Starter). MDX SEO Validator is free.

Which is cheaper, AITDK SEO Extension or MDX SEO Validator?+

MDX SEO Validator is free, so it costs less. AITDK SEO Extension starts at $10/month (Starter).

Is AITDK SEO Extension or MDX SEO Validator open source?+

MDX SEO Validator is open source (rampify-dev/mdx-seo-validator on GitHub, MIT license). DevHunt has no public source repository on record for AITDK SEO Extension.

On DevHunt

AITDK SEO Extension

26 upvotes · Launched on DevHunt on Jun 25, 2024

MDX SEO Validator

0 upvotes · Launched on DevHunt on Jan 6, 2026

Based on each tool's website and DevHunt data. Details may change; check the official sites.