Brendan Gregg

JULY 4, 2021

It's an exciting time for developments in computer performance, not just for the BPF technology (which I often [write about]) but also for processors with 3D stacking and cloud vendor CPUs (e.g., This was a chance to talk about other things I've been working on, such as the present and future of hardware performance.

Performance 140

Performance Latency Hardware Storage 140

MachMetrics

DECEMBER 12, 2019

Google has announced plans for a new badging system that would let users know whether a website typically loads slowly. The Chrome team explains that “we are being very mindful of our approach to setting the bar for what is considered good user experience and hope to land on something that is practically achievable by all developers.”.

Google 86

Google Website Best Practices Internet 86

Speed Curve

APRIL 27, 2022

Experimentation tools that use asynchronous scripts – such as Google Optimize, Adobe Target, and Visual Web Optimizer – recommend using an anti-flicker snippet to hide the page until they've finished executing. Google Optimize) has finished applying its experiments. In Google Optimize's default case is the whole document.

Performance 145

Performance C++ Google Retail 145

Brendan Gregg

FEBRUARY 28, 2023

At USENIX SREcon22 APAC I gave the opening keynote on the future of computer performance, rounding up the latest developments and making predictions of where I see things heading. This talk originated from my updates to [Systems Performance 2nd Edition], and this was the first time I've given this talk in person!

Performance 110

Performance Latency Cache Virtualization 110

CSS Wizardry

JUNE 30, 2023

I never thought I’d write an article in defence of DOMContentLoaded , but here it is… For many, many years now, performance engineers have been making a concerted effort to move away from technical metrics such as Load , and toward more user-facing, UX metrics such as Speed Index or Largest Contentful Paint. That’s late!

Metrics 326

Metrics Google Monitoring Analytics 326

Speed Curve

FEBRUARY 15, 2021

Performance budgets are one of those ideas that everyone gets behind conceptually, but then are challenged to put into practice – and for very good reason. If you're just getting started with performance budgets – or if you've been using them for a while and want to validate your work – this post is for you.

Performance 133

Performance Metrics Benchmarking Google 133

Dynatrace

APRIL 21, 2021

Ben Rushlo, Dynatrace Vice President of DEM Services, puts it this way: “As performance degrades, user experience degrades, engagement degrades, and business outcomes degrade.” Great user experiences start with Core Web Vitals (CWVs) — a set of metrics defined by Google to help measure user experience at scale.

Metrics 133

Metrics Google Website Speed 133

Speed Curve

NOVEMBER 7, 2021

Chances are, you're here because of Google's update to its search algorithm , which affects both desktop and mobile, and which includes Core Web Vitals as a ranking factor. If you're new to Core Web Vitals , this is a Google initiative that was launched in early 2020. When Google talks, people listen.

Performance 96

Performance Google Metrics Mobile 96

Dynatrace

SEPTEMBER 13, 2023

The framework comprises six pillars: Operational Excellence, Security, Reliability, Performance Efficiency, Cost Optimization, and Sustainability. And how can you verify this performance consistently across a multicloud environment that also uses Microsoft Azure and Google Cloud Platform frameworks?

AWS 243

AWS Efficiency Azure Cloud 243

Dynatrace

MAY 31, 2023

With so many of their transactions occurring online, customers are becoming more demanding, expecting websites and applications to always perform perfectly. Microservices-based architectures and software containers enable organizations to deploy and modify applications with unprecedented speed.

Best Practices 219

Best Practices DevOps Latency Metrics 219

Dynatrace

FEBRUARY 4, 2021

As a discipline, SRE focuses on improving software system reliability across key categories including availability, performance, latency, efficiency, capacity, and incident response. ” According to Google, “SRE is what you get when you treat operations as a software problem.”

Engineering 252

Engineering DevOps Government Latency 252

MachMetrics

JANUARY 4, 2019

The way a website is constructed can have a major impact on website speed performance, but developers often have a hard time keeping track of factors that cause slow page loads and other speed-related issues. Good website performance is part of that equation. What You Need to Know About PageSpeed Module.

Speed 60

Speed Website Open Source Google 60

Dynatrace

JUNE 26, 2023

Software automation enables digital supply chain stakeholders — such as digital operations, DevSecOps, ITOps, and CloudOps teams — to orchestrate resources across the software development lifecycle to bring innovative, high-quality products and services to market faster. What is software analytics? Application security. Digital experience.

Software 183

Software Software Analytics Big Data 183

Jos

JUNE 2, 2018

Web Performance is not only about understanding what makes a site fast. It’s about creating awareness amongst both developers and non-developers. Performance is a feature and needs to be prioritized as such. Performance is a topic that has interested me for a long time. presented in Google IO 2018 ( source ).

Performance 130

Performance Speed Google Media 130

Dynatrace

AUGUST 28, 2023

While digital experience has many facets, transaction speed usually ranks among the most important. Almost two decades ago, a Google experiment showed that fast-loading transactions are more important to customers than content quality—even small increases in transaction delay result in substantially more abandoned sessions.

Retail 198

Retail Logistics Innovation Analytics 198

Rigor

SEPTEMBER 11, 2019

Reading time 16 min Whether you’re a web performance expert, an evangelist for the culture of performance, a web engineer incorporating performance into your process, or someone new to the web performance entirely, you probably identify as curious, excited about new ideas, and always learning. Rachel Andrew.

Performance 89

Performance Education Google Website 89

Speed Curve

MARCH 11, 2024

After years of development and testing, Google has added Interaction to Next Paint (INP) to its trifecta of Core Web Vitals – the performance metrics that are a key ingredient in its search ranking algorithm. According to Google, an INP of 200 milliseconds or less is ideal. Not sure what INP means or why it matters?

Mobile 81

Mobile Google Metrics Monitoring 81

Rigor

JANUARY 13, 2020

Reading time 1 min Why share the library of the web performance books while there’s a substantial collection of fantastic websites and articles on the net? High Performance Browser Networking. This book is about performance problems and the various technologies created to fight them. High Performance Websites.

Performance 75

Performance Social Media Website Website Performance 75

MachMetrics

SEPTEMBER 7, 2018

According to Google, a website can lose as many as half its visitors while loading. Google’s PageSpeed Insights tools may be just what you need to leverage data collected through speed testing. As part of the PageSpeed Tools suite, Insights is designed to guide your response to slow speeds, resulting in optimal performance.

Speed 49

Speed Best Practices Google Website 49

Brendan Gregg

FEBRUARY 28, 2023

At USENIX SREcon22 APAC I gave the opening keynote on the future of computer performance, rounding up the latest developments and making predictions of where I see things heading. This talk originated from my updates to Systems Performance 2nd Edition , and this was the first time I've given this talk in person!

Performance 52

Performance Latency Cache Virtualization 52

Smashing Magazine

SEPTEMBER 28, 2022

Five Data-Loading Patterns To Improve Frontend Performance. Five Data-Loading Patterns To Improve Frontend Performance. When it comes to performance, you shouldn’t be stingy. There are millions of sites, and you are in close competition with every one of those Google search query results. Agustinus Theodorus.

Cache 126

Cache Performance Servers Social Media 126

Dynatrace

FEBRUARY 4, 2021

As a discipline, SRE focuses on improving software system reliability across key categories including availability, performance, latency, efficiency, capacity, and incident response. ” According to Google, “SRE is what you get when you treat operations as a software problem.”

Engineering 173

Engineering DevOps Government Latency 173

Dynatrace

JUNE 6, 2023

Just as organizations have increasingly shifted from on-premises environments to those in the cloud, development and operations teams now work together in a DevOps framework rather than in silos. In the podcast, Grabner recalled his interview with Kelsey Hightower at the Perform 2023 conference.

DevOps 159

DevOps Engineering Innovation Best Practices 159

Brendan Gregg

JULY 4, 2021

It's an exciting time for developments in computer performance, not just for the BPF technology (which I often [write about]) but also for processors with 3D stacking and cloud vendor CPUs (e.g., This was a chance to talk about other things I've been working on, such as the present and future of hardware performance.

Performance 52

Performance Latency Hardware Storage 52

The Netflix TechBlog

APRIL 17, 2019

What does this example have to do with software development and video encoding? Scalable Video Technology (SVT) is Intel’s open source framework that provides high-performance software video encoding libraries for developers of visual cloud technologies. We also describe how you can become a part of this development.

Open Source 166

Open Source Scalability Speed Efficiency 166

Speed Curve

AUGUST 18, 2020

Adding to a string of recent announcements including Lighthouse v6 and Core Web Vitals, Google has introduced Fast page labelling in Chrome 85 for Android. Ilya Grigorik, developer advocate and web performance engineer at Google, discussed this concept during his Q&A session following his talk. What is it?

Google 98

Google Strategy Metrics Speed 98

Smashing Magazine

DECEMBER 17, 2020

The most beautiful, spectacular site in the world won’t do anyone much good if people can’t find it on Google (or Bing, or DuckDuckGo). Implementing SEO well means open communication between different members of the team — from SEO execs to writers to developers. Google Keyword Planner. Google Trends.

Engineering 131

Engineering Google Website Analytics 131

Dynatrace

FEBRUARY 2, 2022

This demand creates an increasing need for DevOps teams to maintain the performance and reliability of critical business applications. Setting a stringent SLO for an application that’s not business-critical can lead to wasted time and resources when it comes to remediating issues or performing tasks to ensure uptime. Who owns it?

DevOps 192

DevOps Metrics Best Practices Latency 192

The Netflix TechBlog

MARCH 5, 2020

Building on past incidents to speed up the resolution of future incidents. Perform Post Incident Review (PIR)? —?Review Review how the incident process was performed, tracking actions to be performed after the incident, and driving learning through structuring informal knowledge. Life Cycle Management ?—?Providing

AWS 204

AWS Open Source Google Speed 204

The Morning Paper

NOVEMBER 3, 2019

An analysis of performance evolution of Linux’s core operations Ren et al., For example: “Red Hat and Suse normally required 6-18 months to optimise the performance an an upstream Linux kernel before it can be released as an enterprise distribution”, and. Google’s data center kernel is carefully performance tuned for their workloads.

Performance 108

Performance Benchmarking Tuning Hardware 108

KeyCDN

JANUARY 14, 2021

Frontend frameworks let you hit the ground running when developing a new website. Like many developers, you may be drawn to wildly popular, tried-and-true options like Bootstrap and Foundation. Like many developers, you may be drawn to wildly popular, tried-and-true options like Bootstrap and Foundation.

Google 135

Google Mobile Open Source Website 135

Dean Hume

SEPTEMBER 21, 2016

When I first started learning about web page performance, I always use to focus solely on the time that it took a page to load. As I started to learn more about web page performance, I started to experiment with webpagetest.org and discovered the different metrics that it uses. The total is your Speed Index score!"

Speed 40

Speed Analytics Google Retail 40

Dean Hume

SEPTEMBER 21, 2016

When I first started learning about web page performance, I always use to focus solely on the time that it took a page to load. As I started to learn more about web page performance, I started to experiment with webpagetest.org and discovered the different metrics that it uses. The total is your Speed Index score!"

Speed 40

Speed Analytics Google Retail 40

Dean Hume

SEPTEMBER 21, 2016

When I first started learning about web page performance, I always use to focus solely on the time that it took a page to load. As I started to learn more about web page performance, I started to experiment with webpagetest.org and discovered the different metrics that it uses. The total is your Speed Index score!"

Speed 40

Speed Analytics Google Retail 40

Smashing Magazine

DECEMBER 19, 2021

Many developers have been asking themselves that question lately. Sometimes it’s easy enough to find the answer to that question and the site just needs to invest in performance. Sometimes though, it’s a little trickier and, despite thinking your site was great on the performance for some reason it still fails.

Google 143

Google Traffic Mobile Website 143

Jos

JUNE 17, 2017

In a recent post about Chrome 60 Beta , Google announced the support of the Paint Timing API to get metrics on when your page starts rendering and when the user gets content that can be consumed (more info on the definition of the events below). Here I’m going to describe this new API a bit and show you how to use it. round ( entry.

Google 130

Google Analytics Metrics Speed 130

KeyCDN

AUGUST 15, 2019

Web performance is a broad subject, and you’ll find no shortage of performance testing tips and tutorials all over the web. What is Performance Testing? In the context of web development, performance testing entails using software tools to simulate how an application runs under specific circumstances.

Testing Tools 55

Testing Tools Best Practices Performance Testing Testing 55