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Is it down, or is it just me?
Check any website from several places of the world at once and see who can reach it, with the status and the response time from each.
| Checked from | Result | Response time |
|---|
Response time is the time to the first byte of the answer, measured from Cloudflare’s network at each location. Results are kept for a minute, then checked again.
Several continents at once
Data centres on the west and east coasts of North America, in Western and Eastern Europe, Asia and Oceania.
Down for everyone or only you
If every location gets an answer and you do not, the problem is on your side: DNS, provider, VPN or a firewall.
Real response times
See how fast the site answers from each part of the world, and where it is slow.
Questions, answered.
How does the check work?
Small programs placed around Cloudflare’s network, in North America, Europe, Asia and Oceania, request the address you entered at the same moment and report the HTTP status and how long the answer took. Each result names the city it was made from.
What counts as “up”?
Any answer with a status below 400, after following redirects. A 4xx or 5xx status, a refused connection or no answer within 10 seconds counts as down for that location.
The site is up here but I cannot open it. Why?
Then the site works and something between you and it does not: a DNS cache, your provider, a VPN, a firewall or a browser extension. Try another network or device.
Why is the site down only from some locations?
Usually a regional outage of the hosting or CDN, a geo-block, or a firewall that challenges requests from data centres. It can also be a short network problem: check again in a minute.
Can I check an IP address or a custom port?
No. The checker takes public website addresses on the standard ports (http and https) only.
Is it a monitoring service?
It is a one-time check on demand. Nothing is scheduled or stored; the result of an address is reused for one minute.
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