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On-page SEO

Meta Tags AnalyzerSERP Snippet PreviewHeading Structure CheckerImage Alt Text CheckerOpen Graph & Social Preview CheckerStructured Data ValidatorCanonical Tag CheckerLink AnalyzerHreflang Checker

Technical SEO

Full Site Audit (Crawler)Robots.txt TesterXML Sitemap CheckerRedirect CheckerBulk HTTP Status CheckerHTTP Headers CheckerBroken Link CheckerIndexability CheckerMobile-Friendly CheckerJavaScript SEO Checker

Speed & performance

Page Speed TestCore Web Vitals CheckerServer Response Time (TTFB) TestPage Size CheckerGzip & Brotli Compression TestHTTP/2 & HTTP/3 CheckerCSS MinifierJavaScript Minifier

Content & keywords

Keyword Density CheckerKeyword Suggestion ToolWord CounterReadability CheckerText to HTML Ratio CheckerURL Slug GeneratorCase Converter

Generators

Meta Tag GeneratorRobots.txt GeneratorSchema Markup GeneratorOpen Graph GeneratorXML Sitemap GeneratorRedirect Generator (.htaccess & Nginx)Hreflang Tag GeneratorUTM Campaign URL Builderllms.txt Generator

Domain & security

SSL Certificate CheckerSecurity Headers CheckerDNS LookupWHOIS / Domain LookupDomain Age CheckerMixed Content CheckerWebsite IP & Hosting LookupWebsite Technology Checker

AI search & AI writing

AI Search Readiness CheckerAI Title & Meta Description GeneratorAI FAQ & Schema GeneratorAI Content Brief GeneratorAI Content Optimizer

Open Graph Generator

Create Open Graph and X card tags with a live social preview.

About the Open Graph Generator

Open Graph tags decide how your links look when shared on Facebook, LinkedIn, WhatsApp, Slack, Discord, iMessage and many other apps; X (Twitter) adds its own card tags on top. A clear title, a short description and a strong 1200 × 630 image make a link far more clickable.

Fill in the fields to generate the complete tag set and see a live preview as you type. Paste the code into your page’s <head>, then use our Open Graph Checker to confirm it works on the live page.

Frequently asked questions

What is the best og:image size?

1200 × 630 pixels (1.91:1) works across networks. Keep it under 5 MB and avoid tiny text.

Do I need both Open Graph and Twitter tags?

X falls back to Open Graph for title, description and image, so at minimum add twitter:card to choose the large image layout.

Why is my preview not updating?

Networks cache previews. Use Facebook’s Sharing Debugger or LinkedIn’s Post Inspector to refresh them.

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