Blog
ArchiveTwitterFeed

Why don’t we talk about minifying CSS anymore?

Remember Grunt files? Gulp files? We rarely need to think about CSS minification, chunking, splitting and post-processing anymore. Here's why.

Your background images might be causing CLS

Cumulative Layout Shift (CLS) is where the layout of a web page unexpectedly shifts after the initial content loads and new content pops in…

Small improvements add up to big updates at Sentry

It’s the little things that can make a big difference. While we announced significant product updates like Autofix and Metrics (to name a…

Monitor Supabase databases and Edge Functions

When cloud service providers first started popping up, many developers were “wowed” by being able to spin up and scale all kinds of…

How I fixed my brutal TTFB

Here's how two small changes improved the TTFB of my website homepage by over 80%.

Improving INP and FID with production profiling

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…

Low effort image optimization tips

“A picture is worth a thousand words”. So if a picture takes more than 4 seconds to load, does it mean that your website’s content fails to communicate a thousand words? In this blog post, we’ll learn how to identify unoptimized images, how to fix them, and how to validate the fix — so your website can speak volumes with highly-optimized images.

Five improvements to Make Debugging Less Terrible

Over the past year, we released a couple of new offerings, like Session Replay and Cron Monitoring. But in addition to building new products…

Break Production Less: Introducing Codecov's Pre-release Focus

While there are several solutions that try to help you improve your testing practices and tooling, we believe that high-quality software is…

AI-powered Autofix debugs & fixes your code in minutes

Sentry knows a lot about the inner workings of an application’s codebase. So we got to thinking, how can we use this rich dataset to make…

Using machine learning to focus on issues that matter

We’ve been exploring new approaches to make Sentry issues more actionable. Read on to learn how we’re using machine learning to improve…

INP, tracing, and mobile app starts: move faster and solve real user pain with Sentry Performance

Today, we’re making it even easier to find and solve user-impacting issues with three new Sentry Performance features: INP (Interaction to…

Measure what matters and fix issues fast with Metrics: now in beta

Four years ago, we stepped on some big toes with our developer-first performance monitoring. Since then thousands of software teams have…

Aspire Insights in Production with Sentry

Learn how to wire up Sentry with your .NET Aspire app to track errors, monitor performance, and capture metrics.

What is INP and why you should care

Learn about INP: the new Core Web Vital that's replacing FID, and how you can optimize your websites for performance today.

Improving mobile performance, from slow screens to app start time

Based on our experience working with thousands of mobile developer teams, we developed a mobile monitoring maturity curve here at Sentry. We…

Sentry .NET SDK 4.0 improvements for .NET 8

As we celebrate the 10th anniversary of Sentry’s support for the .NET ecosystem with over 150 million downloads, we’re excited to announce…

Navigating Cookies at Sentry: A Legal Perspective

You may have noticed that the banners asking you to accept “cookies” whenever you visit a website have gotten bigger and more annoying over…

January monthly product update

With January over, 2024 is in full swing. Read on below to find out more about the Metrics Alpha, Cron Monitoring GA, SDK improvements, and…

How to deal with API rate limits

When I first had the idea for this post, I wanted to provide a collection of actionable ways to handle errors caused by API rate limits in…

Terms of Service Update

We talked about changing our Terms of Service in support of some new R&D at Sentry. We put that on hold as we realized two critical missteps…

Debugging weird stack traces with Session Replay

Imagine this: Your website is getting a lot of traffic and you have some kind of metrics, logging, or performance monitoring setup (maybe…

Cron Monitoring is Now Generally Available

Sentry Cron Monitoring alerts you when your scheduled jobs fail and gives you the context you need to fix it - like we do with error and…

Now’s The Time For Delayed Open Source

Sentry was born and bred in the Open Source community, and we very much think of ourselves as part of it today. One thing we’ve learned…

Privacy by Default

While companies tout the importance of user privacy, few put their money where their mouth is – or in our case, actually live and breathe…

We removed advertising cookies, & here’s what happened

This is not another abstract post about what the ramifications of what a cookieless future might be; Sentry actually removed cookies from…

December Monthly Product Update

Let’s cut right to it. Read on to learn about all the product updates from our oddly productive December. From new tools to help with…

Browser Profiling Learnings from Sentry.io

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…

AI, Privacy and Terms of Service Updates

Update Hey everyone. We’ve gotten your feedback and heard your concerns; we were less than artful in expressing our intentions. Many of the…

Fix your actual slow-loading assets with Resource Monitoring

Slow-loading assets on your web pages can lead to frustrated users, high bounce rates, and lost conversions. For the vast majority of…

Leveraging our new User Feedback widget to improve our Performance product

While Sentry can automatically detect unhandled exceptions, poor performance, and even signals of user frustration such as rage clicks…

Fetch Waterfall in React

Have you seen this problem? Or maybe this one? You’ve most likely seen this: Hint: they’re all the same. The first image is Sentry’s Event…

Sentry Bundle Size: How We Reduced Replay SDK by 35%

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…

Fallbacks for HTTP 404 images in HTML and JavaScript

Your images are 404ing all over the place. You’ve got an angry email from a client. Their site is “broken”, images aren’t loading…

November product updates for Sentry

Grab your favorite mug, fill it with some warm chocolatey goodness – it is hot cocoa season after all –, and check out our most recent…

Spotlight: Sentry for Development

A long time ago I worked on a project called Django Debug Toolbar (DJDT). It was a local development plugin that would give you a debug…

Fixing memoization-breaking re-renders in React

When a parent component passes down a callback function to a memoized child component through its props, React will re-render the child component every time the parent component gets re-rendered, even though the child component is memoized. In this article, we’ll look into that problem, and learn how to fix it.

Introducing the Functional Source License: Freedom without Free-riding

Sentry started life in 2008 as an unlicensed, 71-line Django plugin. The next year we began publishing it under BSD-3, and ten years later…

SDK & Integration Updates: Sentry for every platform, framework, and tool

It seems like these days there’s a new exciting framework or dev tool launched every week. The challenge is that even if you’re ready and…

Sentry’s EU Data Region Now in Early Access

Like many of our customers, Sentry takes privacy and data sovereignty seriously. One of Sentry’s values is to be for “Every Developer,” and…

Not Every Problem is an Error: Introducing Rage and Dead Clicks + New User Feedback Reports

I know, we’re Sentry the error and performance monitoring platform and we catch production issues. But as you (hopefully) saw during our…

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

Extracting relevant insights from your performance monitoring tool can be frustrating. You often get back more data than you need, making it…

A story about HTTP status codes and why you should read documentation

Learn four things to consider when building APIs related to HTTP status codes. And when consuming APIs, don’t do what I did. Read the documentation, understand how the API is designed, and code defensively around unexpected results.

Next.js SDK Security Advisory - CVE-2023-46729

TL;DR We released a critical security advisory today for Sentry’s Next.js SDK. In the SDK versions 7.26.0-7.76.0 (inclusive), when the…

Improved GraphQL Support in Sentry

Beautiful syntax-highlighted GraphQL errors are coming — get ‘em while they’re fresh! Not that we encourage you to add more errors of any…

What’s the difference between API Latency and API Response Time?

Your app’s networking directly affects the user experience of your app. Imagine having to wait a few seconds for the page to load. Or even worse, imagine waiting for a few seconds every time you perform an action. It would be infuriating! Before you go on a fixing adventure, it’s a good idea to understand what causes that waiting time. So let’s do that!

October Product Updates for Sentry

Hey, you. Yes, you. Do you want to fix broken code faster and easier? Of course, you do. Who doesn’t? Well, lucky for you, we dedicated the…

We Just Gave $500,000 to Open Source Maintainers

Want to hear more? Register for “The Future of Open Source: The State of Sustainability”, on October 26. Sentry is an Open Source-aligned…

September Product Updates for Sentry

It’s official, summer is over. So grab yourself a pumpkin-spiced food item of choice and check out what the Sentry team has been up to this…

How to identify and fix Render-Blocking Resources

Render-blocking resources are JavaScript and CSS files that prevent the web page from loading until they are downloaded. These might be…

Authors

Go to Next Page
© 2024 • Sentry is a registered Trademark
of Functional Software, Inc.