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Performance Monitoring

Tracing Just Got a Whole Lot More Useful: Search, Visualize, and Alert with Sentry’s new Query Engine

Performance Monitoring
For a while, tracing in Sentry was... fine. You could open up a slow transaction, poke around, find the N+1, and feel like a hero. But if you wanted to answer m...
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Fixing Elusive Unity ANRs: How Amanotes Used Sentry to Cut Errors by 50%

Performance Monitoring
This is a guest post from Thuan Do The from Amanotes, a music game publisher who are using Sentry for their Unity game Duet Cats. In today’s mobile-first world,...
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Laravel just works. Now your performance monitoring does too.

Performance Monitoring
You remember that first time spinning up a Laravel app? Routes, auth, ORM, queues, all wired up without much effort. It’s one of the reasons Laravel feels produ...
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Laravel just works. Now your performance monitoring does too.

Performance Monitoring
You remember that first time spinning up a Laravel app? Routes, auth, ORM, queues, all wired up without much effort. It’s one of the reasons Laravel feels produ...
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Monitoring & Debugging a Checkout Flow in Flask & React

Performance Monitoring
When your checkout flow breaks, customers disappear faster than most ‘cutting-edge’ JS metaframeworks. Thankfully, setting up observability for your critical pa...
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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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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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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 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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What’s the difference between API Latency and API Response Time?

Performance Monitoring
Imagine waiting more than a few seconds for a page to load. Or even worse, imagine waiting more than a few seconds every time you perform any action in an app o...
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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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Debuggability Explained - Monitoring & Observability in Your Workflow

Performance Monitoring
Monitoring tools are great at letting you know when something is broken and the overall impact. We should know, we make an error monitoring tool. Observability ...
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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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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...
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