SEO Checker
Free Website SEO Checker
Enter a URL and get a fast SEO health score for the page: title, meta description, H1, canonical, social previews, structured data and hreflang.
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Check page SEO in 3 steps
1
Enter a public URL
Paste the page you want to inspect. The checker fetches only public HTML.
2
Review the SEO score
See title, description, H1, canonical, indexability, OG, Twitter Card, schema and hreflang checks.
3
Fix the highest-impact gaps
Use the diagnosis as a punch list, or build the page in Nadoo to generate the basics automatically.
Core search basicsTitle, description, H1 and canonical
Title, description, H1 and canonical
checked in one pass
Find the common mistakes that block SEO growth before you run ads or share the page.
Structured growth signalsOG, Twitter Card, JSON-LD
OG, Twitter Card, JSON-LD
and hreflang visibility
See whether the page is ready for social sharing, multilingual search and structured-data discovery.
Frequently asked questions
It checks title, meta description, H1 count, canonical, noindex, Open Graph, Twitter Card, JSON-LD and hreflang tags.
No. Any public URL can be checked because the tool reads public HTML only.
No. It is a fast page-level checker. Instead of crawling and fixing every page manually, build with Nadoo AI Website Builder so page metadata, schema and hreflang basics are included from the start.
JSON-LD helps search engines and answer engines understand your business, services, FAQs and pages more reliably.
It checks whether hreflang tags exist. Nadoo can generate multilingual hreflang automatically for supported languages.
Start with missing title, description, noindex, canonical and schema gaps. Those are usually the highest-impact basics.
Found SEO gaps?
Do not fix every page by hand
Nadoo AI Website Builder creates pages with SEO/AEO basics included: metadata, schema, hreflang and OG tags.
| Feature | This free tool | Nadoo AI Website Builder |
|---|---|---|
| Single-page SEO check | ✓ | ✓ Continuous monitoring |
| Auto metadata generation | — | ✓ |
| Auto JSON-LD insertion | Detect only | ✓ |
| Multilingual hreflang | Detect only | ✓ 15 languages |
| Alerts and fixes | — | ✓ |
