On-page SEO checker.
Enter a URL (or paste a page’s HTML) and get an instant, scored report on the on-page SEO essentials: title, meta, headings, canonical, schema, alt text and more. Free, no account.
Want your whole site audited?
This checks one page. Tell us your industry and area and we’ll run a free audit across your whole site (on-page, technical and local) and show you the highest-impact fixes. No obligation.
What this on-page SEO checker looks at
On-page SEO is everything on the page itself that helps search engines understand and rank it. This tool checks the fundamentals for a single page. Enter a URL or paste the HTML, and it scores each one and tells you exactly what to fix:
- Title tag: present and about 30–60 characters.
- Meta description: present and roughly 70–160 characters.
- One H1, a canonical link and an indexable robots directive.
- Mobile viewport and an html lang attribute.
- Open Graph tags for clean social sharing.
- Structured data (JSON-LD) for rich-result eligibility.
- Image alt-text coverage and overall content depth.
You can check any public page by URL, or switch to the “Paste HTML” tab to analyse markup entirely in your browser with the standard DOMParser API (nothing uploaded). If the checker flags missing structured data, build it in seconds with our free schema generator, and read the schema markup guide for the why.