Product Updates
How to identify fetch waterfalls in React
Fetch Waterfalls are scenarios where multiple requests are invoked in a sequential manner, not in parallel. This leads to some serious performance degradation.…
Product Updates
Announcing Session Replay for Mobile – in Open Beta
Get to the root cause of mobile crashes by seeing video-like reproductions of user interactions with Session Replay on your app. Learn how to get started here.
Product Updates
Debugging slow pages caused by slow backends
As a developer, what should your reaction be when someone says your website is slow to load? As long as you don’t say, “I just let my users deal with it”,…
Engineering
Sentry JavaScript SDK v8 - A Retrospective
This post will outline learnings the Sentry SDK team had from releasing v8 of the JavaScript SDKs.
Product Updates
Get Insights into backend infrastructure with Caches, Queues, Requests, & Queries
View detailed insights into common backend building blocks, including caches, queues, queries & external requests with Insights. Learn how to get started here.
Product Updates
Debug Third-Party APIs with Requests
The internet is basically just a bunch of websites calling each other. You make a call to some service, that service calls you back, and then that service goes…
Product Updates
AI Application Insights with Sentry LLM Monitoring
The data you need to monitor AI-powered applications differs from other parts of your tech stack. Whether you need to debug an error, improve performance, or…
Engineering
How to Refactor and Not Break Things
How we completed a huge refactoring of a software used by thousands of developers without breaking things.
Product Updates
Introducing Insights: Tailored debugging workflows for your application
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…
Engineering
Logging in Python: A Developer’s Guide
A complete guide to Python logging: setup, best practices, & troubleshooting tips to help streamline your Python development & improve app performance.
Product Updates
Your bad LCP score might be a backend issue
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…
Product Updates
Fix issues without user input with Session Replay
“Hey, can you give me the steps to repro?” After today, I’m happy to say I never need to ask this question again. Let me tell you what and how I discovered probably the most wonderful feature ever made: Session Replay.
Engineering
Designing Sentry's cross-region replication
Cross-region replication is a foundational subsystem in multi-region Sentry. This post explores our design process.
Product Updates
Improved OpenTelemetry & Node Support in JavaScript v8 SDK
As first announced during Sentry Launch Week, we have been working on shipping a major release of our JavaScript SDKs. This update makes getting started with…
Product Updates
How to hack your Google Lighthouse scores in 2024
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…
