Performance Monitoring

How to identify fetch waterfalls in React

Performance Monitoring
Fetch Waterfalls are scenarios where multiple fetch requests are invoked in a sequential manner, not in parallel. This leads to some serious performance degrada...
Read on

Debugging slow pages caused by slow backends

Performance Monitoring
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”, you’r...
Read on

Get Insights into backend infrastructure with Caches, Queues, Requests, & Queries

Performance Monitoring
To create exceptional products, developers need to understand the behavior of backed systems; however, we generally have the most control over the applications ...
Read on

Debug Third-Party APIs with Requests

Performance Monitoring
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 ...
Read on

AI Application Insights with Sentry LLM Monitoring

Performance 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 be...
Read on

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...
Read on

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...
Read on

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...
Read on

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...
Read on

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...
Read on

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...
Read on

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...
Read on

How I fixed my brutal TTFB

Performance Monitoring
Recently, I improved all my homepage Core Web Vitals by concentrating on improving just one metric: the Time to First Byte (TTFB). All it took was two small cha...
Read on

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...
Read on

Low effort image optimization tips

Performance Monitoring
“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 thousa...
Read on

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 ...
Read on

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...
Read on

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