Performance Monitoring

AI-Powered Updates–Issue Grouping, Autofix, Anomaly Detection, and more

Performance Monitoring
What if you could not only find software issues you care about but also have the fix ready? We just introduced several updates that intelligently group new issu...
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Smarter search, Uptime Monitoring, and Session Replay updates to simplify your debugging

Performance Monitoring
Whether it’s sitting through a meeting that should’ve been an email or reading a blog post written by AI 👀– no one enjoys losing time they’ll never get back. T...
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Avoid Rate Limiting with Query Batching

Performance Monitoring
This post is part of our debugging series, where we share tricky challenges and solutions while building Sentry.  ~~~ On March 4th, 2024, the most metal inciden...
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How we decreased P99s on our backend API requests by 3 seconds

Performance Monitoring
At Sentry, we don't just build debugging tools for developers—we use them ourselves. This story demonstrates how we leveraged our own platform to solve a myster...
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Debugging a Django Application

Performance Monitoring
Debugging Django applications can be challenging, but it’s key to keeping your app running smoothly in production. From unexpected bugs to performance slowdowns...
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How to make your web page faster before it even loads

Performance Monitoring
As developers (and as front end developers in particular), we usually talk about web performance in the context of measuring what happens when we start to see t...
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Your bad LCP score might be a backend issue

Performance Monitoring
Largest Contentful Paint (LCP) is a Core Web Vital (CWV) metric that marks the point in the page load timeline where the main page content has likely finished l...
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How to hack your Google Lighthouse scores in 2024

Performance Monitoring
Google Lighthouse has been one of the most effective ways to gamify and promote web page performance among developers. Using Lighthouse, we can assess web pages...
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5 easy tips to improve your personal website performance

Performance Monitoring
If you’re a developer, you need a personal website. While billionaire-owned, algorithm-based social media platforms arbitrarily decide what people should and sh...
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Why don’t we talk about minifying CSS anymore?

Performance Monitoring
Minifying your CSS helps improve your website performance. But as developers, we don’t really talk about minifying CSS anymore. Why? The TL;DR is that the deliv...
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Your background images might be causing CLS

Performance Monitoring
Cumulative Layout Shift (CLS) is where the layout of a web page unexpectedly shifts after the initial content loads and new content pops in. At its best, it’s a...
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What is INP and why you should care

Performance Monitoring
On March 12th 2024, Google is launching a new Core Web Vital metric, Interaction to Next Paint (INP). INP will replace First Input Delay (FID) and will change t...
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Fix your actual slow-loading assets with Resource Monitoring

Performance Monitoring
Slow-loading assets on your web pages can lead to frustrated users, high bounce rates, and lost conversions. For the vast majority of websites, slow-loading res...
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From LCP to CLS: Improve your Core Web Vitals with Image Loading Best Practices

Performance Monitoring
If you’re a front end developer, there’s a high probability you’ve built (or will build) an image-heavy page. And you’ll need to make it look great by serving h...
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Harnessing Distributed Tracing for Application Performance Optimization

Performance Monitoring
Distributed tracing is a powerful technique that allows you to track the flow and timing of requests as they navigate through a system. By linking operations an...
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Web Fonts and the Dreaded Cumulative Layout Shift

Performance Monitoring
How frustrating is it when you’ve just landed on a web page, you click on a certain element and an ad or something else pops up and you end up clicking that thi...
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Measuring application performance in Swift using transactions

Performance Monitoring
So you're building a mobile app that’s performing big data requests; or crunching big data. But now you're asking yourself: How will my app perform in productio...
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Application Profiling for Python

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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