Performance

Why Do We Have a Cache-Control Request Header? – CSS Wizardry
Why Do We Have a Cache-Control Request Header? – CSS Wizardry
Learn how the Cache-Control request header works, how browsers handle refresh and hard refresh caching, and when developers should use it for realtime data and offline-first applications.
·csswizardry.com·
Why Do We Have a Cache-Control Request Header? – CSS Wizardry
Catchpoint
Catchpoint
·catchpoint.com·
Catchpoint
Core Web Vitals
Core Web Vitals
Learn how HTTP/3 improves over HTTP/2 in multiplexing, connections, security, error recovery, etc., to improve web communication, performance, and user experience.
·catchpoint.com·
Core Web Vitals
What a Web Performance Engineer Needs to Know About Cloud Cost Savings
What a Web Performance Engineer Needs to Know About Cloud Cost Savings
Every line of code has a cost - but some lines cost more than others. This rather Orwellian-sounding statement might seem stark, but for web performance engineers, it's a useful perspective when considering cloud costs. Why Should You Care About Costs? Cost reduction directly impacts the bottom li
·calendar.perfplanet.com·
What a Web Performance Engineer Needs to Know About Cloud Cost Savings
Putting Performance in Relatable Terms
Putting Performance in Relatable Terms
A 300ms improvement may sound like a big win to someone immersed in web performance optimization, but for most people, mentioning milliseconds doesn't usually resonate or seem meaningful. Whenever I've mentioned how we could save a few hundred milliseconds to an executive, my proposal was often met
·calendar.perfplanet.com·
Putting Performance in Relatable Terms
Not every user owns an iPhone
Not every user owns an iPhone
As software engineers and technologists its common to have access to some powerful devices and super fast bandwidths. It's highly likely that you will be developing/testing on a high end Mac (or similar) or pulling out an expensive mobile device such as an iPhone from your pocket. But we need to be
·calendar.perfplanet.com·
Not every user owns an iPhone
Don't Let Your Redesign Ruin Performance: A Case Study
Don't Let Your Redesign Ruin Performance: A Case Study
It's a shame that so many redesigns end up slowing down the site or dropping conversions. How to prevent this? In this text, based on one of our successful projects, you will get a framework for web redesign management. We are a small team of web performance consultants with years of experience and
·calendar.perfplanet.com·
Don't Let Your Redesign Ruin Performance: A Case Study
My Favorite Web Performance Graphs of the Year
My Favorite Web Performance Graphs of the Year
As a web performance consultant, I frequently rely on visual data to prioritize optimizations and troubleshoot regressions. Over the past year, two types of graphs have stood out for their effectiveness in simplifying complex data and speeding up decision-making. The Prioritization Graph: Where to
·calendar.perfplanet.com·
My Favorite Web Performance Graphs of the Year
Wait? What? Web Performance Optimization is being studied in universities?
Wait? What? Web Performance Optimization is being studied in universities?
TL;DR: In this article I am sharing the good news that Web Performance Optimization is being studied in universities and I am laying out the plan of teaching Real User Monitoring which I will do for the first time in front of students. My hope is to share ideas in case other fellows would be doing s
·calendar.perfplanet.com·
Wait? What? Web Performance Optimization is being studied in universities?
Using DevTools to Validate Web Performance Improvements
Using DevTools to Validate Web Performance Improvements
I'm passionate about Web Performance—from identifying performance issues, monitoring (synthetic and RUM), metrics, implementing product culture, training development teams and other stakeholders, speaking at meetups and conferences, tools, and snippets. When it comes to tools, my favorite is Chrome
·calendar.perfplanet.com·
Using DevTools to Validate Web Performance Improvements
Third-Party Web Performance | SpeedCurve
Third-Party Web Performance | SpeedCurve
Ads, analytics, and social widgets can seriously hurt page speed. Find out how to measure and optimize the third parties on your pages.
·speedcurve.com·
Third-Party Web Performance | SpeedCurve
How Discord Reduced Websocket Traffic by 40%
How Discord Reduced Websocket Traffic by 40%
How we rolled out zstandard and other improvements across our gateway cluster to reduce the amount of bandwidth that’s used by our clients.
·discord.com·
How Discord Reduced Websocket Traffic by 40%