Performance Monitoring

Introducing Insights: Tailored debugging workflows for your application

Performance Monitoring
You’re seeing an unusually high number of 429 status codes, but your monitoring solution can’t tell you much beyond that. Typically, that’s when you start searc...
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Don’t observe. Debug.

Performance Monitoring
The term “observability” is a strange one. We understand its value as a way to describe a sophisticated approach to monitoring complex distributed systems and m...
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Improving INP and FID with production profiling

Performance Monitoring
On March 12 Google began promoting INP (Interaction to Next Paint) into a Core Web Vital metric in an effort to push performance beyond page loads. This means y...
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INP, tracing, and mobile app starts: move faster and solve real user pain with Sentry Performance

Performance Monitoring
Today, we're making it even easier to find and solve user-impacting issues with three new Sentry Performance features: INP (Interaction to Next Paint) as a new ...
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Browser Profiling Learnings from Sentry.io

Performance Monitoring
Since enabling browser profiling on our Sentry.io dashboard a month ago, we have collected over 2M profiles and learned a lot about how our users experience our...
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Sentry Bundle Size: How We Reduced Replay SDK by 35%

Performance Monitoring
Bundle Size matters - this is something we SDK engineers at Sentry are acutely aware of. In an ideal world, you'd get all the functionality you want with no add...
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Find slow database queries with Query Insights

Performance Monitoring
There’s only so much you can control when it comes to your app’s performance. But you control what is arguably most important - the code. Sentry Performance get...
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Responsive Images: A cheap trick to improve page performance

Performance Monitoring
Being a frontend developer, I’m always looking for ways to improve page load and render time performance issues. One of my biggest annoyances is when I’m waitin...
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Choosing the Right Metric: A Guide to Percentiles and Averages

Performance Monitoring
Not sure which performance metric to use to measure your application performance? Don't worry – you're not alone. With a wide variety of options, the task of ch...
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End-to-end monitoring for web and mobile applications with Sentry

Performance Monitoring
You can identify and fix performance issues quickly by monitoring your applications "end-to-end" using Sentry performance monitoring and Google Cloud. We’ll exp...
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Deconstructing Distributed Tracing

Performance Monitoring
Let’s start at the beginning. As our libraries and frameworks evolve, our debugging tools need to as well. Back in the early days of the Apache HTTP Server logs...
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Sentry Profiling now supports Browser Javascript, React Native, and Ruby

Performance Monitoring
Profiling is an essential component of a developer’s toolkit for identifying and addressing the thorniest performance bottlenecks. Whether you’re a backend dev...
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Detecting Main Thread Issues in Mobile Applications

Performance Monitoring
Mobile device users care about three things when it comes to good app performance: Smooth UI Long battery life How quickly the app does what they need it to do ...
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Tame the performance of code you didn't write: A journey into stable diffusion

Performance Monitoring
In our daily lives as developers, we have to deal with a lot of code that we did not write ourselves (or wrote ourselves but already forgot that we did). We use...
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Building better mobile experiences: tips from Riot Games and Nextdoor

Performance Monitoring
Building high quality, performant mobile apps is hard. Developers need to keep up with rapidly changing technologies, high user expectations, and competitive ap...
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Profiling Beta for Python and Node.js

Performance Monitoring
A couple months ago, we launched Profiling in alpha for users on Python and Node.js SDKs — today, we’re moving Profiling for Python and Node.js to beta. Profili...
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Application Profiling for Node.js

Performance Monitoring
Profiling is an important tool in every developer’s toolkit because it provides a granular view into the execution of your program from your production environm...
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How Sentry uncovered an N+1 issue in djangoproject.com

Performance Monitoring
Sentry recently launched Performance Issues, a feature to help developers discover and fix common performance problems in their projects. We tested this project...
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