"Raw Performance" is the speed when querying each nameserver directly "Resolver Simulation" simulates the algorithm of public DNS resolvers and shows the performance from the resolver's point of view "Uptime" shows the real uptime of DNS provider. A provider is marked as down only if all nameservers go down at the same time.

In which browsers does the Speed Test work best? For best results, use the most recent version of your favorite browser. But at minimum use Firefox 53, Chrome 59, Safari 10, IE 11, or Edge 13 or higher. If you are unable to see Speed Test, though other content appears on the speed test page, check … Speedtest Frequently Asked Questions Speedtest has the world’s largest testing server network, which means you will always have the benefit of testing to a server near your geographic location. Other speed testing services use different servers in different locations than Speedtest, so differences in speeds between testing services are not uncommon. Internet Speed Test Sites (Last Updated July 2020) ISP Hosted Internet Speed Tests. Testing your internet speed between you and your Internet Service … benchmark - How to test the connection speed of a server Take a look at this question for a technique to use dd over netcat and make note of the discovery that disk I/O was the limiting factor over a local network with the particular hardware involved. Over the internet and with faster hardware, your mileage may vary. By using /dev/zero as the source and /dev/null as the destination, the disk I/O factor will be eliminated as noted in the comments.

Internet Speed Test - Check Your Internet Speed | Cox

Test the availability and response time of a web site or web server. Web server performance is measured by several key performance indicators (KPIs). Does the web server return a valid response? A response of code of 200 is expected from a properly functioning web server. Responses such as 401, 404 and 503 may indicate a problem with the server. Broadband speed test: check your internet speed online Jun 19, 2020 How To Test Internet Speed Using Linux Command Line?

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Dec 14, 2018