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Paste HTML to extract title length, meta description, key Open Graph fields, and a list of meta tags for quick on-page audits.
Quick answer: Meta Tag Analyzer
Extract title length, description presence, Open Graph basics, and a quick inventory of meta tags from raw HTML.
Example: Title 58 chars, meta description 148 chars, og:title present → likely eligible for rich previews if images are valid.
Calculations follow the documented formula on this page; rounding and input units can change the last digit-treat outputs as educational estimates unless you reconcile with source systems.
* This is an estimate. Actual amounts may vary slightly based on input assumptions.
View-source checks beat rendered DOM when debugging SSR vs client hydration mismatches for SEO and social previews.
Paste HTML to extract title length, meta description, key Open Graph fields, and a list of meta tags for quick on-page audits.
Inputs on this page: HTML Source. Assumptions stay visible so you can reproduce the figure elsewhere.
Long-form walkthroughs that pair well with this calculator. When you need narrative context beyond the live fields, start here and return to the tool to plug in your own numbers.
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Read guide →People who care about meta tag analyzer use Meta Tag Analyzer as a planning sandbox: Duplicate robots directives happen when SEO plugins stack - search for two robots tags.
Continue in the Developer category hub, the Developer tools collection, or the glossary. Related calculators in this session: Schema Markup Generator, JSON to PHP Array Converter, .htaccess Redirect Generator, Core Web Vitals Suggestion Tool, SERP & AI Visibility Planner (templates), JSON Formatter.
The Formula
Regex extraction of title, meta description, Open Graph fields, and meta inventory from HTML source| This tool | Regex extraction of title, meta description, Open Graph fields, and meta inventory from HTML source |
|---|---|
| Related intent: meta tag analyzer | See paired tools for meta tag analyzer-each page documents its own core relationship next to the live form. |
| Related intent: seo meta tag checker | See paired tools for seo meta tag checker-each page documents its own core relationship next to the live form. |
Core relationship for Meta Tag Analyzer:
Regex extraction of title, meta description, Open Graph fields, and meta inventory from HTML source
Worked check: Title 58 chars, meta description 148 chars, og:title present → likely eligible for rich previews if images are valid.
Keep the same assumptions and open a neighbor calculator when your question branches: Schema Markup Generator, JSON to PHP Array Converter, .htaccess Redirect Generator, Core Web Vitals Suggestion Tool. Each page documents its own formula beside the fields.
Learning links: Methodology · Editorial policy · Glossary
Title 58 chars, meta description 148 chars, og:title present → likely eligible for rich previews if images are valid.
Re-enter the same numbers in the calculator above to confirm the page math matches the interactive result.
People who care about meta tag analyzer use Meta Tag Analyzer as a planning sandbox: Duplicate robots directives happen when SEO plugins stack - search for two robots tags.
Instant response
Run Meta Tag Analyzer in the browser and read the breakdown beside the form.
Transparent formula
The formula and worked example on this page match what the calculator uses.
Privacy friendly
No account required; inputs stay in your session unless you choose to share them.
Cross-device ready
Layout works on mobile, tablet, and desktop for the same field labels.
Official references for context. Calculator outputs are planning estimates—confirm material decisions with the primary authority or a qualified professional. See our methodology and editorial policy.
Reviewed July 18, 2026 · Content stamp 2026-07-18
Click a question to expand the answer.
Yes, the Meta Tag Analyzer is completely free with no hidden limits.
Yes. All tools are optimized for desktop, tablet, and mobile devices.
If tags inject client-side only, view-source may differ from rendered DOM - use devtools Elements.
No - pair with the schema markup generator and Rich Results Test for JSON-LD.
Simple patterns are used; unusual formatting may require manual inspection.
Extract title length, description presence, Open Graph basics, and a quick inventory of meta tags from raw HTML.
Title 58 chars, meta description 148 chars, og:title present → likely eligible for rich previews if images are valid.
Duplicate robots directives happen when SEO plugins stack - search for two robots tags. Twitter cards may still read OG fallbacks - verify both if CTR matters. Inline JSON-LD isn’t shown here - pair with schema tests for completeness.
Same-category picks first, then high-intent neighbors that often answer the next calculation question.
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Open the full directory, browse your hub collection, or jump back to this category. Bookmark the page if you use it often.
Reviewed by Imtiaz Ahmad
Founder & lead engineer | Last reviewed July 18, 2026
See methodology and editorial policy.