What does this SEO Validator check?

It checks title, meta description, keywords, canonical, robots, Open Graph, Twitter tags, headings, image alt text, favicon, and JSON-LD schema quality.

Can I download the SEO audit details?

Yes. After running an audit you can download the full report as JSON or a text file, including missing image alt details and schema issues.

SEO

SEO Validator

Audit meta tags, Open Graph, Twitter cards, headings, and JSON-LD schema. Paste a URL or full HTML and get clear fixes.

★★★★★Free SEO audit100% Free

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Full-page SEO checks

Title, description, OG, Twitter, canonical, robots, and more.

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Schema aware

Detects JSON-LD issues and shows the exact schema section to fix.

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Compare competitors

Use SEO Compare to audit your site vs rivals side by side.

Website URL

We’ll fetch the page HTML and run a full SEO audit (meta, social tags, headings, schema, and suggestions).

Frequently Asked Questions

What SEO items are checked?

Title, meta description, keywords, canonical, robots, viewport, language, full H1–H6 heading map, image alt coverage, Open Graph, Twitter tags, favicon, HTTPS (URL mode), HTML tag closing, and JSON-LD schema quality.

Can I download the audit?

Yes. Download the full JSON/TXT report, or export Headings and Images as CSV from their tabs.

URL fetch failed. What can I do?

Some sites block server requests. Open the page, View Source, paste the full HTML here, and run the same audit. On production, URL mode needs the /api/seo-fetch endpoint (Apache PHP proxy or Node SSR server).