UnderHost
SEO Audit

SEO Meta Checker

Instantly audit any page's title, description, H1, Open Graph tags, structured data, and more.

Title & description
H1 heading check
Canonical & robots
Open Graph & Twitter Card
Structured data detection
Image alt tags

Full SEO audit in one click

Enter any URL above to get an instant pass/warn/fail scorecard across 10 on-page SEO signals.

Title & Meta Description

Check presence, character length, and whether Google will truncate your title or description in search results.

Open Graph & Twitter Card

Verify og:title, og:image, og:description, and twitter:card are present for proper social media sharing.

Structured Data

Detect JSON-LD structured data blocks and identify which schema types are present for rich result eligibility.

Heading Structure

Check for a single H1, count H2s, and flag pages with missing or duplicate H1 headings.

Image Alt Attributes

Count images missing alt text — important for both accessibility compliance and image SEO ranking.

Robots & Canonical

Detect noindex directives that block search engines and verify the canonical URL is set correctly.

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Tool guide

How to use the SEO Meta Checker

Meta tags and page structure tell browsers, crawlers, and social platforms how to understand a page.

What this tool does

It audits title, description, H1, canonical, robots, viewport, Open Graph, structured data, and image alt text.

Who it helps

  • Developers validating templates
  • SEO reviewers checking individual pages
  • Site owners finding missing basics

Usage instructions

Enter the exact page URL. Review the scorecard and fix missing or conflicting metadata first.

Understanding the output

Missing metadata is not always fatal, but noindex, broken canonical URLs, absent viewport tags, and missing H1s can harm usability or search visibility.

Why it matters for hosting

Template changes, migrations, and CMS plugin updates can accidentally remove or duplicate important meta tags.