Check your site's response time from different locations across the globe.

Each location check collects multiple data points, including:

• DNS Lookup: The time it took from the start until DNS name resolution was completed.
• Connect: The time it took from the start until the TCP connection to your server was completed.
• Request Time: The time it took from the start until the file transfer was just about to begin. This includes all pre-transfer commands and negotiations that are specific to the particular protocol(s) involved.
• First Byte: The time it took from the start until the first byte was transferred. This includes the time the server needed to calculate the result.
• Total Time: Total time to download the URL.

Join thousands of people and companies around the world committed to making the web consistently fast.