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Meta Tags Analyzer

Analyze title, description, canonical, Open Graph and Twitter tags from page HTML.

Analysis mode

Detected fields

Title
(missing)
Meta description
(missing)
Canonical
(missing)
Robots
(missing)
og:title
(missing)
og:description
(missing)
og:image
(missing)
og:url
(missing)
og:type
(missing)
twitter:card
(missing)
twitter:title
(missing)
twitter:description
(missing)
twitter:image
(missing)

Important missing tags

  • title
  • meta description
  • canonical
  • robots
  • og:title
  • og:description
  • og:image
  • twitter:card
  • twitter:title
  • twitter:description

Technical output (JSON)

{
  "title": "",
  "description": "",
  "canonical": "",
  "robots": "",
  "ogTitle": "",
  "ogDescription": "",
  "ogImage": "",
  "ogUrl": "",
  "ogType": "",
  "twitterCard": "",
  "twitterTitle": "",
  "twitterDescription": "",
  "twitterImage": ""
}

Pasted HTML analysis runs locally. URL mode depends on target-site CORS permissions.

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SEOFrontend

Benefits

  • Audit metadata without external plugins.
  • Detect missing tags quickly.
  • Includes structured JSON output.

Auditing essential tags in the document head

Reviewing tags together can expose missing titles, contradictory canonicals and incomplete social previews. Each field is separated so the page's URL, topic and image can be checked across channels.

When it is useful
Paste HTML for a local review or attempt to load a public URL. The analysis covers title, description, canonical, robots, Open Graph and Twitter Cards without changing the source.
Privacy and scope
Pasted HTML is analyzed in the browser. URL mode depends on the target site's CORS policy; a CORS failure does not mean that its metadata is invalid.
Result limitations
The report checks presence and content but does not replace bot-rendered HTML inspection or each platform's debugger. HTTP status, redirects and the final canonical should also be reviewed.

Related tools

Frequently asked questions

Can I analyze a URL directly?

Yes, but it may fail due to CORS. If it fails, use pasted HTML mode.

Which tags are analyzed?

Title, description, canonical, robots, Open Graph and key Twitter tags.

Audit page metadata before publishing

Meta Tags Analyzer helps detect missing or weak metadata that can impact CTR and sharing quality.

Run quick technical SEO checks on page head tags and prioritize fixes before release.