Priority Hints and optimizing LCP

Performance
Offline Is Just Online With Extreme Latency
Migrating Critical Traffic At Scale with No Downtime — Part 1
Shyam Gala, Javier Fernandez-Ivern, Anup Rokkam Pratap, Devang Shah
An introduction to site reliability engineering (SRE) - LogRocket Blog
Site reliability engineering (SRE) is a discipline used for solving the challenges faced in running large-scale, highly distributed systems.
8 Reasons Why WhatsApp Was Able to Support 50 Billion Messages a Day With Only 32 Engineers
#1: Learn More - Awesome WhatsApp Engineering (6 minutes)
Bottleneck #05: Resilience and Observability
Service disruptions; production incidents reduce reputation and revenue
The limits of our personal experience and the value of statistics
The world is huge; to get a clear idea of what our world is like, we have to rely on carefully collected, well documented statistics.
How React 18 Improves Application Performance – Vercel
Learn how React 18's concurrent features like Transitions, Suspense, and React Server Components improve application performance.
How To Perform An SEO Audit That Actually Helps You Win Clients
Win new clients with comprehensive SEO audits. Learn the step-by-step guide to impress prospects and boost your agency's success in 2023.
How large DOM sizes affect interactivity, and what you can do about it
Large DOM sizes can be a factor in whether interactions are fast or not. Learn more about the relationship between DOM size and INP, and what you can do to reduce DOM size and other ways to limit rendering work when your page has lots of DOM elements.
Scaling the Instagram Explore recommendations system
Explore is one of the largest recommendation systems on Instagram. We leverage machine learning to make sure people are always seeing content that is the most interesting and relevant to them. Usin…
Time-Travel Debugging Production Code
An overview of time travel debugging and how it relates to debugging your production code execution.
Detecting traffic anomalies at scale - monday Engineering
TL;DR: We analyse HTTP requests and SQL queries to find and block excessive and potentially abusive traffic. We look for ...
Automating dead code cleanup
Meta’s Systematic Code and Asset Removal Framework (SCARF) has a subsystem for identifying and removing dead code. SCARF combines static and dynamic analysis of programs to detect dead code from bo…
When "letting it crash" is not enough
This essay explores the connection between Erlang's process supervision,
state management and durable execution.
React Performance & Optimization - React Handbook
Ship fast and performant UIs, a great start to positive UX.
Breaking Up with SVG-in-JS in 2023
Technical deep-dive on why you shouldn't have SVGs in your JS bundle and better techniques for JSX usage.
Chrome UX Report - Chrome Developers
The Chrome User Experience Report (CrUX) provides user experience metrics for how real-world Chrome users experience popular destinations on the web.
Kashyap Kondamudi - Catching Up With Web Performance
Kashyap recalls his journey from design to software to banking and back, learning from side projects, getting into open source, working on Flipkart's PWA, and now diving into RUM.
300ms Faster: Reducing Wikipedia's Total Blocking Time
How two simple steps improved the responsiveness of Wikipedia's mobile site
Investigating the impact of HTTP3 on network latency for search
Daffodil - A frontend toolkit for ecommerce
Maintaining Performance - daverupert.com
Or... How I shaved ~33s off my page load by fixing fonts
Optimizing Performance: How Our Extension Became Lightning Fast
Discover how we made our browser extension faster. Find out about the technologies and strategies we used to improve performance and provide a smooth browsing experience.
Infinitely Scalable Applications
How to grow from one application to an ecosystem of apps and packages.
Maxjourney: Pushing Discord’s Limits with a Million+ Online Users in a Single Server
In this post, we’ll talk about some of the ways we’ve scaled individual Discord servers from tens of thousands of concurrent users to approaching two million concurrent users in the past few years.
Answering Common Questions About Interpreting Page Speed Reports — Smashing Magazine
Take a closer look at how various performance tools audit and report on performance metrics, such as core web vitals. Geoff Graham answers a set of common questions that pop up during performance audits.
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!
How We Reduced Our DocumentDB Cost by Nearly 50% and Optimized Performance | Postman Blog
Learn how the Postman engineering team reduced costs and optimized the performance of the Chronicle system.
Using CSS content-visibility to boost your rendering performance - LogRocket Blog
CSS content-visibility helps boost rendering performance by controlling whether or not an element renders its contents.