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Real user monitoring vs. synthetic monitoring: Understanding best practices

Dynatrace

As businesses compete for customer loyalty, it’s critical to understand the difference between real-user monitoring and synthetic user monitoring. These development and testing practices ensure the performance of critical applications and resources to deliver loyalty-building user experiences.

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Answering Common Questions About Interpreting Page Speed Reports

Smashing Magazine

And when discussing the two types of data, we’re actually talking about what is called real-user monitoring , or RUM for short. For example, the data is pretty slow to update, refreshing every 28 days, meaning it is not the same as real-time monitoring. Type 1: Observed Data Observed data is performance as the browser sees it.

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Performance Testing - Tools, Steps, and Best Practices

KeyCDN

Web performance is a broad subject, and you’ll find no shortage of performance testing tips and tutorials all over the web. Before you begin tuning your website or application, you must first figure out which metrics matter most to your users and establish some achievable benchmarks. What is Performance Testing?

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Performance testing in CI: Let's break the build!

Speed Curve

Raise your hand if you've ever poured countless hours into making a fast website, only to have it slowly degrade over time. At some point you'll be given permission to "focus on performance" and after many more hours, the website will be fast again. The secret to a faster website? Break the build! I know, I know.

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What is chaos engineering?

Dynatrace

Practitioners subject software to a controlled, simulated crisis to test for unstable behavior. The crisis could be technical, natural, or malicious events, for example an earthquake affecting data center availability, or a cyberattack infecting applications and websites. Any failures in the stack break the hypothesis. Blast radius.

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Why Your Performance Testing Strategy Needs to Shift Left

Dotcom-Montior

While the agile approach is focused on implementing small, iterative tests throughout the development and testing phases, the primary goal should be to deliver a world-class, consistent user experience. Your customers demand optimal performance, whether they’re the only user or one of a thousand.

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Recipes for Performance Testing Single Page Applications in WebPageTest

CSS - Tricks

WebPageTest is an online tool and an Open Source project to help developers audit the performance of their websites. As a Web Performance Evangelist at Theodo , I use it every single day. by Jake Archibald explains how analyzing WebPageTest results can lead you to performance improvements on a Formula 1-themed case study.