Performance Monitoring

How to get metrics, groups and alerts from your spans in Trace Explorer

We’ve all worked on that app that hangs just a little too long in weird places, or had that query we could never get to perform just right. The network waterfal...

Read on

How Profiling helped fix slowness in Sentry's AI Autofix

There’s a common misunderstanding that profiling is only useful for tiny savings that impact infra costs at scale - the so-called “milliseconds matter” approach...

Read on

Using server-side caching to speed up your applications, save on infra costs, and deliver better UX

Performance Monitoring

If you’ve ever been floored by a sub-100ms response time, you’ve likely got caching to thank. Caching is the unsung hero of performance, shaving precious millis...

Read on

Debugging Python with VS Code and Sentry

Performance Monitoring

Sentry is committed to helping developers fix broken code quickly and effectively. In this article, we’ll cover a range of intermediate to advanced techniques f...

Read on

Missing indexes are slowing down your database - here's how to find and fix them with Sentry

Performance Monitoring

Slow database queries drag down performance for both developers and users. They waste resources, slow down testing, and frustrate customers with laggy experienc...

Read on

How I reduced an API call from >5 seconds to under 100ms

Performance Monitoring

Given that 100% of the databases I have interacted with in my professional career have been SQL databases, my data-based mental model (please enjoy my pun) has ...

Read on

How to reduce TTFB

Performance Monitoring

TTFB (Time to First Byte) is a commonly used metric that measures the duration between a client's HTTP request and the receipt of the first byte of the server's...

Read on

6 Common Causes of Application Performance Issues

Performance Monitoring

Application performance is critical for a seamless user experience, but all too often, developers find themselves struggling to pinpoint slowdowns. Understandin...

Read on

How to debug, log, and monitor performance in Node.js

Performance Monitoring

You’re a good developer, that’s why when writing your Node.js application, you also wrote some unit tests to ensure your logic worked as expected. But what do y...

Read on

Observability and Tracing: How to Improve Your Debugging Workflow

Performance Monitoring

Having the right tools to support debugging is crucial for improving application performance and delivering an enhanced user experience. Traditional observabili...

Read on

Why Clean Architecture makes debugging easier

Performance Monitoring

Let’s start with things we already know - complex projects are inherently hard to debug. The more complicated they are, the harder it is to debug them. The size...

Read on

How I cut 22.3 seconds off an API Call using Trace View

Performance Monitoring

Dan Mindru is a Frontend Developer and Designer who is also the co-host of the Morning Maker Show. Dan is currently developing a number of applications includin...

Read on

How to identify fetch waterfalls in React

Performance Monitoring

Fetch Waterfalls are scenarios where multiple fetch requests are invoked in a sequential manner, not in parallel. This leads to some serious performance degrada...

Read on

How I fixed my brutal TTFB

Performance Monitoring

Recently, I improved all my homepage Core Web Vitals by concentrating on improving just one metric: the Time to First Byte (TTFB). All it took was two small cha...

Read on