Before you publish a page or update go live, use the Meta Tags Checker to validate your title tag, meta description, and social tags against current best-practice limits. See exactly how your page will appear in Google search results and on social media.
Google SERP preview simulation
Character count validation for all key tags
Social sharing preview (OG and Twitter)
SEO Tool
All processing happens in your browser — your files are never uploaded to any server.
🚀Open Meta Tags100% Free · No account · Works on any device
Paste or enter your meta tag HTML to check lengths, format, and generate a SERP preview.
Step-by-step guide to meta tags checker:
Paste your meta tag HTML
Copy the <head> section or just your meta tags from your page and paste them into the checker input.
Review the SERP preview
Check the search engine result preview to see how your title and description will appear in Google. Adjust if the title is truncated or the description is cut short.
Check the social preview
Review the Open Graph and Twitter Card previews to confirm your social sharing image, title, and description display correctly.
Fix issues and re-check
If any tags are missing, too long, or using the wrong format, use the Meta Tags Generator to create corrected versions, then re-check.
Common situations where this approach makes a real difference:
Pre-launch QA checklist
A developer adds the Meta Tags Checker to their pre-launch QA checklist, running every new page template through the checker before the site goes live to catch truncated titles or missing OG images.
Client deliverable validation
An SEO agency runs all client pages through the checker before delivering an SEO report, using the output to show exactly which tags need fixing and how they currently appear in search.
Social media campaign prep
A marketing manager checks a landing page's OG tags 24 hours before a paid social campaign launches to confirm the image and copy are correct before thousands of people see the page shared.
Use this before publishing any new page or after updating meta tags to verify they display correctly in search results and social sharing previews.
Get better results with these expert suggestions:
Check on both desktop and mobile
Google displays different amounts of text in desktop vs mobile search results. The checker shows both previews so you can ensure your title and description look good on all devices.
Validate OG images before sharing
Check that your og:image URL actually loads a correctly-sized image. Broken or wrongly sized OG images cause social shares to display without images, reducing click-through rates dramatically.
Re-check after any CMS update
CMS and plugin updates sometimes reset or break meta tag fields. Run a spot-check on your most important pages whenever you update your CMS.
More use-case guides for the same tool:
Open the full Meta Tags — free, no account needed, works on any device.
Open Meta Tags →Free · No account needed · Works on any device