How to use Site Checker
- Enter or paste your text into the input field to begin.
- Set Paste HTML to gauge content length so the output fits your use case.
- The result is computed live in your browser as you edit the input.
- When it looks right, Copy to save it.
About this tool
Site Checker is a static, client-side tool with no backend. Site Checker is a free SEO Audit utility that runs in your browser, doing its work on the input you provide without a backend.
It is designed to do one job well and stay out of your way. Your input never leaves the page, and no account or install is required.
Frequently asked questions
How do I use Site Checker?
Site Checker runs entirely on your device: add your input using the Paste HTML to gauge content length control, and it checks it locally in real time.
Does Site Checker cost anything?
No — Site Checker is completely free, with no sign-up and no hidden limits.
Does Site Checker upload my data?
No — Site Checker processes everything locally in your browser, so nothing you enter is uploaded or stored.
Does Site Checker work offline?
Once the page has loaded, Site Checker keeps working with no network connection.