When a parent component passes down a callback function to a memoized child component through its props, React will re-render the child component every time the parent component gets re-rendered, even though the child component is memoized. In this article, we’ll look into that problem, and learn how to fix it.
Your app’s networking directly affects the user experience of your app. Imagine having to wait a few seconds for the page to load. Or even worse, imagine waiting for a few seconds every time you perform an action. It would be infuriating! Before you go on a fixing adventure, it’s a good idea to understand what causes that waiting time. So let’s do that!
Distributed tracing helps developers understand performance & identify bottlenecks. Learn more here about how distributed tracing operates behind the scenes.
You shouldn’t need a Ph.D. in your APM tool to understand the performance of your application.
Sentry’s new approach to application monitoring is focused on being actionable, affordable, and *is actually* built for developers. Learn how we're redefining the future of APM.