Free Tool
Is Your Website Down?
Check from 18 regions across 6 continents. See DNS, TLS, TCP, and TTFB breakdown — instantly.
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is UP from all regions
is DOWN from all regions
is DEGRADED
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What You'll Get
Every check measures four phases of the connection from 18 locations worldwide
DNS Lookup
Time to resolve the domain name to an IP address
TCP Connect
Time to establish a network connection to the server
TLS Handshake
Time to negotiate the encrypted HTTPS connection
Time to First Byte
Time until the server sends its first byte of response
18 global regions
Results in seconds
No account required
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Setup in under 2 minutes