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Free Online Tool

SEO Meta/OG/Robots Validator

Free online validator for title, meta description, Open Graph tags, Twitter card tags, and robots.txt basics.

SEO Meta, OG, and Robots Validator

Critical

0

Warnings

3

Passes

3

Sitemaps in robots.txt

1

Metadata snapshot

  • title: Example title
  • description: Example description for preview cards.
  • canonical: (missing)
  • og:image: https://example.com/og.png
  • robots meta: (missing)

Title length out of range

Warning

Current title length is 13.

Fix: Keep title length close to 30-60 characters for stable snippets.

Description length out of range

Warning

Current description length is 38.

Fix: Keep meta descriptions around 70-160 characters.

Missing canonical URL

Warning

Duplicate paths can split indexing signals.

Fix: Add a canonical link with the preferred absolute URL.

Open Graph essentials are present

Pass

og:title, og:description, and og:image are all defined.

Fix: Prefer a 1200x630 image for wide platform compatibility.

Twitter card metadata exists

Pass

twitter:card=summary_large_image

Fix: Keep card type aligned with your OG image dimensions.

robots.txt includes sitemap

Pass

https://example.com/sitemap.xml

Fix: Ensure sitemap URLs resolve to valid XML files.

What problem does this tool solve?

Link previews and indexing break when metadata is incomplete, stale, or misconfigured across page templates.

How to use SEO Meta/OG/Robots Validator

  1. Paste page HTML source and optional robots.txt content.
  2. Review critical, warning, and pass checks for title, description, canonical, OG, and robots directives.
  3. Apply recommended fixes and re-validate before publishing.

FAQ: SEO Meta/OG/Robots Validator

Why is my Open Graph image not showing in link previews?

Common causes are missing og:image tags, relative image URLs, stale social cache, or blocked crawl access.

Can robots.txt accidentally stop indexing?

Yes. A broad Disallow rule can block search crawlers from key URLs.

Does this tool replace SEO suites?

No. It focuses on technical metadata validation, not ranking analytics.