Free tools
Free checks you can run now
Paste source into the page. These tools read what you paste. They do not crawl a URL and they do not keep a copy.
- Meta tag checkerFree meta tag checker. Paste HTML and see the title, description, canonical, robots, lang, viewport, and H1s.
- OG previewFree Open Graph preview. Paste HTML and see the share card from og:title, og:description, and og:image.
- robots.txt testerFree robots.txt tester. Paste the file and a path to see whether Allow or Disallow wins for that user agent.
- Schema validatorFree JSON-LD checker. Paste schema and see the types, broken JSON, and missing names on Product or Organization.