Free website check
Enter your domain and we will measure how quickly your server responds, check its certificate and security headers, and look for software that is out of support. It takes about ten seconds and needs no sign-up.
What the check reads
Only what any browser can see. Your IP address is stored as a one-way hash to prevent abuse and nothing else is kept about you. The full list of requests is on the KeystoneSurveyor page.
The check covers your public front door. For the systems behind it, an infrastructure diagnosis works from your logs, monitoring and code.