Performance Monitoring

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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Performance Monitoring for Every Developer: Web Vitals & Function Regression Issues

Performance Monitoring
Extracting relevant insights from your performance monitoring tool can be frustrating. You often get back more data than you need, making it difficult to connec...
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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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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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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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The New APM: Actionable, Affordable, and Actually Built For Developers

Performance Monitoring
The observability landscape - specifically your traditional Application Performance Monitoring (APM) offerings are failing modern-day developers. These legacy t...
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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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Code-level Application Monitoring for Every Developer

Performance Monitoring
This content is out of date Since this blog post has been published we’ve evolved the feature to reduce complexity of configuration and automatically store the ...
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Performance Issues: Slow you can act on quick(ly)

Performance Monitoring
Not too long ago, our CTO, David Cramer, wrote a blog post about how we had deviated from our mission of making it easier for developers to monitor and solve is...
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