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Real user monitoring vs. synthetic monitoring: Understanding best practices

Dynatrace

RUM works best only when people actively visit the application, website, or services. For example, the ability to test against a wireless provider in a remote area. connectivity, access, user count, latency) of geographic regions. Instead, when working with websites, applications, or services, you may need both.

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HTTP/3: Performance Improvements (Part 2)

Smashing Magazine

Because we are dealing with network protocols here, we will mainly look at network aspects, of which two are most important: latency and bandwidth. Latency can be roughly defined as the time it takes to send a packet from point A (say, the client) to point B (the server). Two-way latency is often called round-trip time (RTT).

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HTTP/3: Practical Deployment Options (Part 3)

Smashing Magazine

Finally, not inlining resources has an added latency cost because the file needs to be requested. Your user has requested that you navigate to example.com (a website you’ve never visited before), and you’ve used DNS to resolve that to an IP. Even if a server supports HTTP/3, however, clients (and website owners!)

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