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

Dynatrace

APRIL 25, 2023

It helps developers and operators identify and troubleshoot issues, optimize performance and improve user experience. These functions are executed by a serverless platform or provider (such as AWS Lambda, Azure Functions or Google Cloud Functions) that manages the underlying infrastructure, scaling and billing.

Serverless 213

Serverless Lambda Azure AWS 213

Smashing Magazine

NOVEMBER 22, 2021

Improving The Performance Of Wix Websites (Case Study). Improving The Performance Of Wix Websites (Case Study). It was at this point that we realized we needed to make a significant change in our approach towards performance, and that we must embrace performance as part of our culture. Dan Shappir. Large preview ).

Website 126

Website Performance Google Media 126

Smashing Magazine

AUGUST 9, 2022

Core Web Vitals Tools To Boost Your Web Performance Scores. Core Web Vitals Tools To Boost Your Web Performance Scores. Essentially, a web vital is a quality standard for UX and web performance set by Google. Essentially, a web vital is a quality standard for UX and web performance set by Google.

Performance 130

Performance Benchmarking Website Metrics 130

CSS Wizardry

NOVEMBER 9, 2018

Let me address that by combining my two favourite topics: CSS and performance. It’s really, really bad for Start Render performance. The introduction of the Preload Scanner improved web page performance by around 19%, all without developers having to lift a finger. What’s the Big Problem? Avoid using @import in your CSS files.

Network 278

Network Performance Media Cache 278

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! Or even on a plane.

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. performance. performance.

Metrics 326

Metrics Google Monitoring Analytics 326

Speed Curve

APRIL 30, 2024

INP heatmap available in your RUM Performance dashboard INP subparts After identifying which interactions are responsible for Interaction to Next Paint issues, you'll want to understand where that time is being spent. Presentation delay Issues with presentation delay are typically related to the complexity of the DOM.

Google 66

Google Metrics Traffic Mobile 66

Alex Russell

JANUARY 30, 2024

The usual caveats also apply: Performance is a deep and nuanced domain, and much can go wrong beyond content size and composition. How sites manage resources after-load can have a big impact on perceived performance. Until and unless teams have better data about their performance, the global baseline budget should be enforced.

Performance 90

Performance Network Mobile Speed 90

Dynatrace

NOVEMBER 11, 2021

According to Forrester Research, the COVID-19 pandemic fueled investment in “hyperscaler public clouds”—Amazon Web Services (AWS), Google Cloud Platform and Microsoft Azure. First, cloud environments present substantial observability issues given their increasing complexity and dynamism. Data confirms Aggarwal’s conclusions.

AWS 218

AWS Cloud Lambda Azure 218

Dynatrace

MARCH 22, 2022

While many companies now enlist public cloud services such as Amazon Web Services, Google Public Cloud, or Microsoft Azure to achieve their business goals, a majority also use hybrid cloud infrastructure to accommodate traditional applications that can’t be easily migrated to public clouds. Dynatrace news.

Infrastructure 232

Infrastructure Cloud Java Azure 232

The Netflix TechBlog

FEBRUARY 20, 2019

by Jason Koch , with Martin Spier , Brendan Gregg , Ed Hunter Improving the tools available to our engineers to help them diagnose, triage, and work through software performance challenges in the cloud is a key goal for the cloud performance engineering team at Netflix. or “are there noisy neighbors affecting my container task?”.

Performance 211

Performance Latency Open Source Metrics 211

Dynatrace

AUGUST 2, 2021

This is especially true when the goal is to present information to non-technical users, but all technical teams can benefit from aligning raw metrics with higher-level KPIs and SLOs. Presentation matters. To achieve relevant insights, raw metrics typically need to be processed through filtering, aggregation, or arithmetic operations.

Metrics 246

Metrics Analytics Google Code 246

DZone

NOVEMBER 11, 2020

As per Google Trends , the interest in Web/ API services tests has been progressively growing over the few decades. According to SmartBear research over 3,372 software professionals in API test over 2019, 91 percent of participants either presently have, or thinking to have a formal API test procedure in place in the coming future.

Testing Tools 214

Testing Tools Testing DevOps Google 214

Speed Curve

NOVEMBER 27, 2023

Earlier this year, Google announced that Interaction to Next Paint (INP) is no longer an experimental metric. In that time, we've seen people's interest in front-end web performance dramatically increase, especially in the world of SEO. When it comes to new performance metrics, it's easy to jump on bandwagons.

Google 109

Google Traffic Ecommerce Metrics 109

CSS - Tricks

JULY 25, 2019

This article is from my friend Ben who runs Calibre , a tool for monitoring the performance of websites. Now that Google uses page speed as a ranking factor, many organizations have become laser-focused on performance. Like PageSpeed, Lighthouse also has a performance score. What is Google Lighthouse? Recommended!

Google 71

Google Engineering Speed Mobile 71

Smashing Magazine

AUGUST 3, 2023

How We Optimized Performance To Serve A Global Audience How We Optimized Performance To Serve A Global Audience Liran Cohen 2023-08-03T10:00:00+00:00 2023-08-03T13:06:00+00:00 I work for Bookaway , a digital travel brand. Large preview ) We’ve known for a long time that fast page performance influences search engine rankings.

Performance 74

Performance Cache Traffic Metrics 74

Speed Curve

FEBRUARY 25, 2021

I love conversations about performance, and I'm fortunate enough to have them a lot. I hope this post can serve that purpose and cover a few of the fundamental areas of web performance that I’ve found to be most useful while honing the craft of product management. How is performance measured? The audience varies.

Performance 143

Performance Benchmarking Metrics Monitoring 143

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

Jos

JUNE 2, 2018

Web Performance is not only about understanding what makes a site fast. Performance is a feature and needs to be prioritized as such. Performance is a topic that has interested me for a long time. Moving over to web, the performance problems are different. These days we have more and better tools to audit our performance.

Performance 130

Performance Speed Google Media 130

Smashing Magazine

JANUARY 11, 2021

Front-End Performance Checklist 2021. Front-End Performance Checklist 2021. This guide has been kindly supported by our friends at LogRocket , a service that combines frontend performance monitoring , session replay, and product analytics to help you build better customer experiences. Web performance is a tricky beast, isn’t it?

Performance 145

Performance Cache Media Metrics 145

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

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 257

Engineering DevOps Government Latency 257

Dynatrace

APRIL 18, 2022

Andreas Grabner, DevOps Activist at Dynatrace, took to the virtual stage at the recent Dynatrace Perform conference to describe how the open source Keptn project automates the configuration of observability tools, dashboards, and alerting based on service-level objectives (SLOs). Dynatrace developed and released Keptn to open source in 2020.

Open Source 193

Open Source DevOps Cloud Metrics 193

Rigor

JANUARY 8, 2020

Without a set plan in place, any new script can damage performance, affecting user experience, and, therefore, business KPIs. We noticed a few common misperceptions about web performance budgets that can impact their adoption and setting that we would like to address. Five Common Myths About Web Performance Budgets.

Performance 122

Performance Mobile Metrics Speed 122

Alex Russell

MARCH 6, 2021

Back in 2016, I gave a talk outlining the causes and effects of the terrible performance of web apps built using popular tools on the fastest-growing device segment: low-end to mid-range Android phones. Poor performance has a compound effect on user expectations at an ecosystem level. Live by the link, die by the link.

Performance 124

Performance Network Cache Metrics 124

Dynatrace

JUNE 20, 2023

New development frameworks from the key players Apple, Google, and Microsoft, among others, are heavily invested in development tools and frameworks. They also need to assess and optimize the performance of both their apps and the back end services that support them. In many cases, an alternative app is installed.

Mobile 269

Mobile Monitoring Entertainment Innovation 269

Dynatrace

APRIL 8, 2021

The key to accomplishing both these goals is having effective mobile app monitoring that quickly identifies the root cause of performance issues. App developers and digital teams typically rely on separate analytics tools, such as Adobe and Google Analytics, that may aggregate user behavior and try to understand anomalies in traffic.

Mobile 170

Mobile Monitoring Analytics Google 170

Dynatrace

MARCH 2, 2023

Google Cloud Distinguished Engineer Kelsey Hightower hopes to solve the many problems facing IT culture by equipping people with the mental and computational software they need to succeed in the competitive world of technology. To see more of the exciting things that went on at Dynatrace Perform 2023, check out the Perform guide.

Best Practices 221

Best Practices Internet Internet Cloud 221

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

MachMetrics

MARCH 21, 2020

However, we often get asked about another area of the DevTools – the ‘Performance’ tab. This is usually because while this tab initially appears very simple, upon running the test you are presented with a ton of data on the site you are testing. Accessing the DevTools Performance Tab. To improve your site!

Speed 99

Speed Performance Google Mobile 99

DZone

JUNE 1, 2020

These mind-blowing software testing tools utilize test cases to make sure that the software and application meet its specification and performs the proposed functions. 75% of all site traffic at present mainly runs through search engine-Google. 90% of audiences stopped using applications because of poor performance.

Testing Tools 159

Testing Tools Open Source Mobile Internet 159

Smashing Magazine

DECEMBER 7, 2023

If you’re reading this before March 2024 and fire up your favorite performance monitoring tool, you’re going to to get a Core Web Vitals report like this one pulled from PageSpeed Insights: ( Large preview ) You’re likely used to seeing most of these metrics. INP will officially replace FID when it becomes an official Core Web Vital metric.

Traffic 95

Traffic Metrics Google Monitoring 95

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

Dynatrace

SEPTEMBER 4, 2020

This is a mouthful of buzzwords” is how I started my recent presentations at the Online Kubernetes Meetup as well as the DevOps Fusion 2020 Online Conference when explaining the three big challenges we are trying to solve with Keptn – our CNCF Open Source project: Automate build validation through SLI/SLO-based Quality Gates. Dynatrace news.

DevOps 249

DevOps Metrics Innovation Azure 249

MachMetrics

APRIL 3, 2020

Luckily we’ve recommended some of the best web performance books to read while stuck at home. High Performance Web Sites: Essential Knowledge For Front-End Engineers. If you’re looking to read optimization ideas from one of the greatest minds in speed performance, look no further. Need a good distraction?

Speed 85

Speed Performance Best Practices Website 85

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