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

Dotcom-Montior

MARCH 27, 2022

The Great Firewall of China, or as it’s officially called, the Golden Shield Project, is an internet censorship project to block people from accessing specific foreign websites. It is the world’s most advanced and extensive Internet censorship program. The How and What of The Great Firewall of China. Deep Packet Inspection.

Website 82

Website Internet Internet Performance 82

DZone

SEPTEMBER 30, 2020

When it comes to cross-browser testing, we tend to focus on executing test cases for bigwigs like Google Chrome, Firefox, or Safari. Opera may not be your default browser, but it still is a popular web browser in the market and is especially loved in areas that don’t have high-speed Internet. What about the other browsers?

Testing 109

Testing Internet Internet Speed 109

Dotcom-Montior

JUNE 25, 2020

The Great Firewall of China, or as it’s officially called, the Golden Shield Project, is an internet censorship project to block people from accessing specific foreign websites. It is the world’s most advanced and extensive Internet censorship program. The How and What of The Great Firewall of China. Deep Packet Inspection.

Website 97

Website Internet Internet Performance 97

Dynatrace

JUNE 26, 2023

Software analytics enables software automation Software analytics enables software automation with targeted machine learning and AI algorithms that mimic the way humans think to perform repetitive tasks. These algorithms analyze massive amounts of complex structured and unstructured data to enhance human decision making and performance.

Software 187

Software Software Analytics Big Data 187

MachMetrics

DECEMBER 14, 2019

With another year winding down, it’s time for us to take stock of how our site performance compares to the average page load times for 2020. As you know, there are many metrics that determine a website’s page speed, and we can’t look at just one of them to determine how performant our site is.

Best Practices 105

Best Practices Speed Mobile Google 105

Dotcom-Montior

JUNE 15, 2020

The entire country of China’s internet connectivity is shielded by the Great Firewall (GFW). There are three state-owned ISP providers, China Unicom, China Telecom, and China Mobile , that control internet in China. These updates will disable access of Google apps downloader, for example. Keyword Filtering and Blocking.

Monitoring 52

Monitoring Performance Artificial Intelligence Internet 52

Dotcom-Montior

JUNE 25, 2021

The Great Firewall of China, or as it’s officially called, the Golden Shield Project, is an internet censorship project to block people from accessing specific foreign websites. It is the world’s most advanced and extensive Internet censorship program. The How and What of The Great Firewall of China. Deep Packet Inspection.

Website 52

Website Internet Internet Performance 52

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

Dotcom-Montior

APRIL 27, 2021

The Great Firewall of China, or as it’s officially called, the Golden Shield Project, is an internet censorship project to block people from accessing specific foreign websites. It is the world’s most advanced and extensive Internet censorship program. The How and What of The Great Firewall of China. Deep Packet Inspection.

Website 52

Website Internet Internet Performance 52

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

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

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

OCTOBER 16, 2019

Elon Musk’s need for speed. A lot of coverage on this project is centered (rightfully) around the potential of this project to deliver fast internet to underdeveloped nations at a minimal cost. This ultimately guides us to one conclusion: Speed is incredibly important. Starlink’s Goal: Reduce Internet Latency.

Internet 44

Internet Internet Latency Speed 44

MachMetrics

DECEMBER 27, 2019

Offering 20 chapters with insights into Page Content, User Experience, Content Publishing, and Content Distribution, it can also be overwhelming, so we’ll be summarizing the web performance section in an easy-to-understand manner. We’ll be diving into Chapter 7 – Performance. 20% of sites are considered slow.

Performance 52

Performance Speed Website Mobile 52

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). With Google Search Console you can see exactly where your pages are (or aren’t) ranking for different keywords. Google Keyword Planner. Google Trends. Google Mobile-Friendly Test.

Engineering 130

Engineering Google Website Analytics 130

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

Dotcom-Montior

AUGUST 5, 2020

Page speed has been a key factor in Google’s ranking algorithm since 2010 , so it is essential to understand the various ways you can optimize your pages and why implementing synthetic monitoring can ensure your pages perform flawlessly and revenue isn’t lost. Find Your Performance Baseline. Optimize Your Pages.

Website 92

Website Speed Cache Traffic 92

MachMetrics

JUNE 16, 2020

Many were hesitant to sacrifice site speed for the added layer of security if they felt like they didn’t need it. Secondly, SSL/HTTPS unlocks additional web performance benefits that more than make up for the added latency. Source: Google Blog. How HTTPS Improves Performance. So what’s the truth? Is SSL slow?

Speed 86

Speed Latency Google Website 86

Testlodge

NOVEMBER 12, 2021

Software testers explore the effectiveness of processes that should lead to quality software products to make sure they perform the purpose for which they have been designed. Results may vary because of factors like resolution, internet speed, and different OS versions. Why Perform Compatibility Testing? Conclusion.

Testing 78

Testing Hardware Operating System Mobile 78

Smashing Magazine

DECEMBER 19, 2021

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. Many developers have been asking themselves that question lately.

Google 143

Google Traffic Mobile Website 143

KeyCDN

JANUARY 14, 2021

Then again, a newer but less widely known framework may more effectively suit your needs, so it's worth it to get up to speed about today's most popular options. Responsive Design - Any site that you develop should render properly across all devices, as more and more people access the internet via mobile devices.

Google 135

Google Mobile Open Source Website 135

Smashing Magazine

OCTOBER 31, 2023

Answering Common Questions About Interpreting Page Speed Reports Answering Common Questions About Interpreting Page Speed Reports Geoff Graham 2023-10-31T16:00:00+00:00 2023-10-31T17:06:18+00:00 This article is sponsored by DebugBear Running a performance check on your site isn’t too terribly difficult.

Speed 97

Speed Google Website Metrics 97

Testsigma

JANUARY 30, 2021

With the rapidly increasing use of smartphones and ease of access to the internet across the globe, testing has spread across vast platforms. The native and mobile web browser testing is being performed more and more compared to desktop testing. Google ranks applications based on how user friendly it is. Signup Now.

Mobile 52

Mobile Testing Website Internet 52

Dotcom-Montior

JUNE 25, 2020

Increase the Google rankings of your web pages. The aim is to deliver content on the internet in a faster and smoother way. CDNs essentially act as the backbone for high speed internet content delivery and performance. Over 90 percent of the time, Chrome users prefer secure websites with SSL certificates.

Monitoring 77

Monitoring Website Internet Internet 77

Testsigma

JANUARY 29, 2021

The rise of mobile internet usage is evident across developed economies as well as developing ones (India, Bangladesh, etc.)[3]. Globally, consumers are preferring their mobile phones for performing activities (e.g. that require internet connectivity. Speed and Accuracy. online shopping, bill payments, etc.)

Website 98

Website Mobile Testing Strategy 98

MachMetrics

JULY 31, 2020

As we discussed in our article on how to test your page weight , compression is pretty much standard practice in web performance now, so you absolutely want to make sure you’re taking advantage of it. Created by Google in 2013, Brotli is a compression algorithm created by Google for the compression of web fonts.

Speed 67

Speed Servers Google Tuning 67

Testsigma

SEPTEMBER 15, 2021

Now, let’s discuss the essential facts — as of August 2021, the global browser market share report by StatCounter states that around 64.92% consume content via Google Chrome, followed by Safari at 18.43%. We can observe that Samsung Internet 14.2 When we embrace the cloud, we perform end-to-end testing on the cloud itself.

Cloud 79

Cloud Testing Testing Tools Website 79

Randon ASCII

JULY 11, 2022

While investigating some performance mysteries in Chrome I discovered that Microsoft had parallelized how they zero memory, and in some cases this was making it a lot slower. A bug had been filed suggesting that Chrome download speeds (such as those measured by speedtest.net ) seemed to be affected by some anti-virus software.

Cache 105

Cache Energy Google Processing 105

Alex Russell

JUNE 22, 2022

Nobody frames it precisely this way; instead they'll say, if WebKit weren't mandated, Chromium would take over , or Google would dominate the web if not for the WebKit restriction. Without the ability to differentiate on features, security, performance, and privacy, what's to sell? What does this almighty torrent of cash buy Google?

Engineering 110

Engineering Traffic Government Google 110

CSS Wizardry

JULY 23, 2023

Google’s Core Web Vitals initiative was launched in May of 2020 and, since then, its role in Search has morphed and evolved as roll-outs have been made and feedback has been received. However, to this day, messaging from Google can seem somewhat unclear and, in places, even contradictory. Don’t have time to read 5,500+ words?

Engineering 246

Engineering Google Speed Mobile 246

Testsigma

JANUARY 18, 2021

Consider a scenario where the end-users are using Internet Explorer browser to reach your website but you have not considered ‘testing on IE’ a part of your testing process! Along with testing on different network conditions, you should also check the app’s behaviour with different UL (Upload) and Download (DL) speeds. Figure 1 Source.

Testing 55

Testing Operating System Website Internet 55

Smashing Magazine

NOVEMBER 2, 2021

This also implies that you don’t have to spend additional time and money on creating a PWA to suit various devices, greatly speeding up time-to-market. Hence, they can’t be promoted separately or found by users who’ve input a search query in Google. you don’t have to create code to fit the separate Android and iOS requirements.

Code 74

Code Cache Retail Mobile 74

Tim Kadlec

OCTOBER 17, 2010

Performance optimization is the Rodney Dangerfield of web development–it “don’t get no respect” In spite of its great importance in the overall user experience, it is all too often pushed aside and treated as an afterthought. Performance optimization isn’t that necessary. Performance matters.

Performance 40

Performance Energy Google Internet 40

CSS - Tricks

MARCH 16, 2020

to run Google Lighthouse audits via the command line, save the reports they generate in JSON format and then compare them so web performance can be monitored as the website grows and develops. What is Google Lighthouse? Google Lighthouse is one of the best-automated tools available on a web developer's utility belt.

Google 82

Google Latency Website Metrics 82

Smashing Magazine

OCTOBER 27, 2021

In the late 1990s, marketing and advertising agencies saw the potential of eye-tracking for the Internet and started using the technology to analyze how people consume content online. For instance, Nielsen’s research conducted in 2006 showed that people read content on the Internet in an F-shaped pattern.

Mobile 111

Mobile Website Hardware Social Media 111

Speed Curve

DECEMBER 19, 2018

Understanding the importance of loading scripts asynchronously might help increase adoption of this critical performance improvement, so we're going to walk through the evolution of async script loading starting way back in 2007. The preloader is the most important performance improvement browsers ever made. Finally: Async.

Internet 53

Internet Internet Website Traffic 53