# Free On-Page SEO Checker: Score Any URL

> Free on-page SEO checker. Scan any URL against 16 weighted checks, get a 0 to 100 score with fixes.

Canonical: https://shipcircle.dev/tools/seo-checker

Free, no signup. Use it in the browser at [On-Page SEO Checker](https://shipcircle.dev/tools/seo-checker).

## How the On-Page SEO Checker works

1. We fetch the page the way a crawler does, from a public server, without running JavaScript.
2. We run 16 checks on the HTML: indexability, title, description, headings, canonical, mobile viewport, content length, image alt text, Open Graph and structured data.
3. You get a 0 to 100 score and, for every check, what we found and why it matters.

## Frequently asked questions

### Does it run JavaScript?

No. It reads the HTML your server sends, which is what many crawlers and AI assistants see. If your content only appears after JavaScript runs, the content check will flag it.

### Can I check a page behind a login?

No. Only public pages can be fetched.

### Does a high score mean my page will rank?

No. The score shows how complete your on-page setup is. Rankings also depend on content quality, backlinks and competition, so use the score to find fixes, not to predict position.

### Why does my score differ from other SEO tools?

Every tool picks different checks and weights. This one reads only the HTML of one page, so it does not measure page speed, backlinks or keyword rankings. Compare scores from the same tool over time.

### Can I check my whole site at once?

No. The checker audits one URL per request. Run it on your homepage and your most important pages, such as top landing pages and product pages.

### Should I fix every warning?

Not always. A warning means the check is worth a look, not that something is broken. For example, a canonical tag that points to a different page is correct if you set it on purpose.

### Is it free?

Yes. It is free and needs no signup, with a limit of 8 checks per minute per visitor.

## Related

- [Domain Rating Checker](https://shipcircle.dev/tools/domain-rating)
- [GEO / AI Citation Checker](https://shipcircle.dev/tools/geo-checker)
- [All tools](https://shipcircle.dev/tools)