How to use On-Page SEO Checker
- Paste the text you need to check into the input box.
- Adjust the Paste HTML for on-page factors option to match what you need.
- On-Page SEO Checker updates the output automatically as you type.
- Use Copy to keep or reuse the result.
About this tool
On-Page SEO Checker runs entirely in your browser. On-Page SEO 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. No data is sent anywhere, so it stays fast and private by default.
Frequently asked questions
How do I use On-Page SEO Checker?
On-Page SEO Checker runs entirely on your device: add your input using the Paste HTML for on-page factors control, and it checks it locally in real time.
Do I need an account for On-Page SEO Checker?
No — On-Page SEO Checker needs no account, sign-up or installation.
Does On-Page SEO Checker upload my data?
No — On-Page SEO Checker processes everything locally in your browser, so nothing you enter is uploaded or stored.
Can I use On-Page SEO Checker without a connection?
Yes — after the first load On-Page SEO Checker runs entirely offline.