Cloud Testing Blog

Key takeawaysMost WordPress slowness comes from plugins and unoptimised images, not the core.Caching plus image optimisation covers the majority of the available gain.Audit plugins periodically. Each one adds queries and ...

Key takeawaysJMeter executes by element type, not by the order you see in the tree.Config elements and pre-processors run before samplers regardless of position.Knowing the order explains most surprising variable ...

Key takeawaysReleasing often only works if the pre-release checks are automated and identical every time.A written checklist beats institutional memory the first time someone is on holiday.Anything you check manually ...

Key takeawaysRecording in the browser captures the real request sequence including headers you would otherwise miss.Strip analytics and third-party calls from the recording before running it.Parameterise the captured values; a ...

Key takeawaysJMeter is written in Java, which is why it needs a JRE and behaves like a Java application.Scripting inside tests is usually Groovy through JSR223, which performs best.You can ...

Key takeawaysJMeter builds a test plan of thread groups and samplers, then runs it as concurrent Java threads.Each thread is a simulated user, so machine resources cap how many you ...

Key takeawaysHomebrew installs JMeter under its own prefix, so the config is not where the docs say.Use brew --prefix to locate the install rather than guessing the path.Edit the properties ...

Key takeawaysJMeter defaults to a small heap, which causes out-of-memory failures on large tests.Raise the heap in the startup script, and run non-GUI with listeners disabled.If you still run out, ...

Key takeawaysThe Plugins Manager handles dependencies, which manual jar copying does not.Install it once, then add and update plugins from inside JMeter.Restart after installing or the new elements will not ...

Key takeawaysThe with-plugins option was removed when Homebrew dropped formula options.Install JMeter first, then add plugins with the JMeter Plugins Manager.Any guide still recommending that flag predates the change. Before ...