Is it down for everyone, or just you?
We test the website from our server: DNS, connection, response code and response time, so you know whether the problem is the site or your own connection.
- Free, no sign-up
- Results in seconds
- Public data only
Three steps, a few seconds.
Enter the website
Any public website address.
We test from outside
From our hosting server in a different network to yours.
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If it works for us but not for you, the issue is likely your network, DNS or firewall.
The site is up here but not for me. Why?
Common causes: your DNS cache, a firewall or web filter, your internet provider, or the site blocking your network.
Can you monitor my website?
Our domain monitoring watches your certificate and domain expiry. For 24/7 uptime monitoring, talk to us about managed IT.
What is a 5xx error?
A server-side error. The website's server or application is failing, not your browser.
More free tools.
Want an expert to look at your results?
Tell us what you found. An Infinity engineer, not a salesperson, will reply within one business day.
Tell us about your IT.
We answer almost every inquiry within one business day.