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Real user monitoring vs. synthetic monitoring: Understanding best practices

Dynatrace

Because pre-production environments are used for testing before an application is released to end users, teams have no access to real-user data. RUM works best only when people actively visit the application, website, or services. This includes development, user acceptance testing, beta testing, and general availability.

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HTTP/3: Practical Deployment Options (Part 3)

Smashing Magazine

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!) Even then, however, validating protocol performance with the current generation of tools won’t be easy.

Network 105