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Performance Monitoring

Debug App Performance Down to the Function Call–Introducing Continuous Profiling & UI Profiling

Performance Monitoring
When something slows down in prod, it’s too easy to fall into old habits. Throw in a few more logs, ship some metrics, try to reproduce the issue locally, and m...
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How to Improve Performance in PHP

Performance Monitoring
PHP apps can be deceptively simple — until something starts slowing down. Maybe it’s a page load that takes a few seconds too long, or maybe your server costs a...
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React.js Performance Guide

Performance Monitoring
Which JS framework is the most performant? React, Vue, Svelte, Angular,…? When trying to answer this question, we often get lost in comparing benchmarks for rea...
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How to get metrics, groups and alerts from your spans in Trace Explorer

Performance Monitoring
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...
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How Profiling helped fix slowness in Sentry's AI Autofix

Performance Monitoring
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...
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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...
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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...
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Next.js debugging: tips and techniques from dev to prod

Performance Monitoring
Debugging. It’s a critical skill for all developers. And when you’re building a dynamic, high-performance application with Next.js, Chrome DevTools, and console...
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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...
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Session Replay: Debug Faster without the Guesswork

Performance Monitoring
As developers, we know that debugging can be a time-consuming process. Hunting down elusive bugs or trying to reproduce an issue based on vague user reports can...
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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 ...
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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...
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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...
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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...
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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...
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The Forensics Of React Server Components (RSCs)

Performance Monitoring
In this article, we’re going to look deeply at React Server Components (RSCs). They are the latest innovation in React’s ecosystem, leveraging both server-side ...
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Profiling 101: Why profiling? (2/2)

Performance Monitoring
This is part 2 of a 2-part series on profiling. If you’re not yet familiar with the what profiling is, check out the first part in our series. Part 1: What is p...
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Profiling 101: What is profiling? (1/2)

Performance Monitoring
The performance of your app matters. From ensuring a good user experience to retaining users, performance makes a difference in your app’s success. Using the ri...
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