Performance Monitoring

Why Clean Architecture makes debugging easier

Performance Monitoring
Let’s start with things we already know - complex projects are inherently hard to debug. The more complicated they are, the harder it is to debug them. The size...
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Everyone needs to know how to trace

Performance Monitoring
It’s a bold claim for me to say that every developer can benefit from something 40% of them haven’t heard of, but hear me out. I was among the 40% who didn’t kn...
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How I cut 22.3 seconds off an API Call using Trace View

Performance Monitoring
Dan Mindru is a Frontend Developer and Designer who is also the co-host of the Morning Maker Show. Dan is currently developing a number of applications includin...
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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...
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Custom Performance Metrics: Tips from Etsy’s Performance Team

Performance Monitoring
Geoff Graham is a frontend engineer, designer, and teacher. He is also a writer and editor for Smashing Magazine and often consults with companies on web strate...
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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...
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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 ...
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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 ...
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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...
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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...
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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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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...
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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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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...
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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...
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