Brendan Gregg

JULY 4, 2021

AWS Graviton2); for memory with the arrival of DDR5 and High Bandwidth Memory (HBM) on-processor; for storage including new uses for 3D Xpoint as a 3D NAND accelerator; for networking with the rise of QUIC and eXpress Data Path (XDP); and so on. Ford, et al., “TCP

Performance 140

Performance Latency Hardware Storage 140

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

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. In a vacuum, an SSL certificate does add some additional latency, as it requires 2 extra round trips to establish a secure connection before sending any data to the browser. Source: Google Blog. Is SSL slow?

Speed 86

Speed Latency Google Website 86

Brendan Gregg

FEBRUARY 28, 2023

## References I've reproduced the references from my SREcon22 keynote below, so you can click on links: - [Gregg 08] Brendan Gregg, “ZFS L2ARC,” [link] Jul 2008 - [Gregg 10] Brendan Gregg, “Visualizations for Performance Analysis (and More),” [link] 2010 - [Greenberg 11] Marc Greenberg, “DDR4: Double the speed, double the latency?

Performance 110

Performance Latency Cache Virtualization 110

KeyCDN

OCTOBER 3, 2019

After HTTP/2, coming up next is QUIC (Quick UDP Internet Connections). Google has been working for quite some time to speed up its network protocols in order to minimize website response times. Google is hopeful that QUIC can reduce connection costs towards zero RTTs. Google plans to propose QUIC as an IETF standard.

Transportation 51

Transportation Internet Internet Google 51

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

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

Smashing Magazine

DECEMBER 19, 2021

LCP, or Largest Contentful Paint , is one of the three Core Web Vitals that you must “pass” to get the full search ranking boost from Google as part of their Page Experience Update. From an SEO perspective, it doesn’t really matter what other tools tell you, GSC is what Google Search sees. The issue was that LCP was too slow on mobile.

Google 143

Google Traffic Mobile Website 143

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

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. Remember, speed is key to the user experience. Optimize Your Pages.

Website 92

Website Speed Cache Traffic 92

Jos

JUNE 2, 2018

Google’s Lighthouse is one of them, which shows information about PWA, SEO and more. presented in Google IO 2018 ( source ) These tools make it easier to determine where we need to put emphasis to improve our sites. Also, the speed of my internet connection is humongous and I’m close to data centres located in Stockholm and London.

Performance 237

Performance Speed Google Media 237

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

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. Mobile web applications do not allow users to save data and access any phone related feature such as a camera. Google ranks applications based on how user friendly it is. Signup Now.

Mobile 52

Mobile Testing Website Internet 52

Dotcom-Montior

JUNE 25, 2020

Essentially, SSLs are small data files containing a cryptographic key. The fact that it activates HTTP protocol for each of the connections ensures that all online credit card transactions and data transfers are carried out on a safe platform. SSL certificates maintain the security of data between servers. SSL Properties.

Monitoring 77

Monitoring Website Internet Internet 77

MachMetrics

DECEMBER 27, 2019

While it’s important to check various speed metrics , the Web Almanac uses data from the Chome UX Report which focuses on how Chrome users actually experience the web. As we mentioned in our article Average Page Load Times for 2020 , mobile page speed is a huge deal going forward. First Contentful Paint. Page Weight.

Performance 52

Performance Speed Website Mobile 52

Randon ASCII

JULY 11, 2022

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. I’d been testing on a virtual machine in a data center that I had access to, purely because this machine has an internet connection that runs at over 2 Gbps. Case closed.

Cache 105

Cache Energy Google Processing 105

Brendan Gregg

JULY 4, 2021

AWS Graviton2); for memory with the arrival of DDR5 and High Bandwidth Memory (HBM) on-processor; for storage including new uses for 3D Xpoint as a 3D NAND accelerator; for networking with the rise of QUIC and eXpress Data Path (XDP); and so on. Ford, et al., “TCP

Performance 52

Performance Latency Hardware Storage 52

Brendan Gregg

FEBRUARY 28, 2023

References I've reproduced the references from my SREcon22 keynote below, so you can click on links: [Gregg 08] Brendan Gregg, “ZFS L2ARC,” [link] , Jul 2008 [Gregg 10] Brendan Gregg, “Visualizations for Performance Analysis (and More),” [link] , 2010 [Greenberg 11] Marc Greenberg, “DDR4: Double the speed, double the latency?

Performance 52

Performance Latency Cache Virtualization 52

KeyCDN

OCTOBER 17, 2019

The major application for high quality compression of photos is Internet speed. While bandwidth does continue to increase each year, so does the quality and size of most Internet media. A compressed photo will take less time to download from the Internet than a full-size photo but should maintain the same quality level.

Media 43

Media Internet Internet Speed 43

Testsigma

JANUARY 29, 2021

As per April 2019 data of Statistica[1], the global mobile population accounted for 4 billion unique users. The rise of mobile internet usage is evident across developed economies as well as developing ones (India, Bangladesh, etc.)[3]. that require internet connectivity. Speed and Accuracy. Mobile-first indexing.

Website 98

Website Mobile Testing Strategy 98

Rigor

JANUARY 13, 2020

Take, for example, The Web Almanac , the golden collection of Big Data combined with the collective intelligence from most of the authors listed below, brilliantly spearheaded by Google’s @rick_viscomi. Site speed & SEO go hand in hand. Web Performance In Action. Designing for Performance. Javascript by Ryan Turner.

Performance 75

Performance Social Media Website Website Performance 75

Rigor

SEPTEMBER 11, 2019

list of those who are making a significant impact on speeding up the web today. Jake is a developer advocate at Google working with the Chrome team to develop and promote web standards and developer tools, as well as a contributor to the Chromium blog. We at Rigor respect many web performance leaders around the world. Rachel Andrew.

Performance 89

Performance Education Google Website 89

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

Jos

JUNE 2, 2018

Google’s Lighthouse is one of them, which shows information about PWA, SEO and more. presented in Google IO 2018 ( source ). At the same time, they open a door to lots of concepts that might be overwhelming: PRPL, RAIL, Paint Timing API, TTI, HTTP/2, Speed Index, Priority Hints and more …. A screenshot of Lighthouse 3.0,

Performance 130

Performance Speed Google Media 130

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. From this data, we can assume a baseline cost to build and maintain a competitive, cross-platform browser at $450 million per year. And that's a choice. "WebKit

Engineering 110

Engineering Traffic Government Google 110

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 112

Mobile Website Hardware Social Media 112

Smashing Magazine

NOVEMBER 2, 2021

Based on the data provided by divante ’s findings on 30 PWA case studies, progressive web apps have a 36% larger mobile conversion rate than native applications. 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. Why is that?

Code 74

Code Cache Retail Mobile 74

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. I’m hopeful this can serve as a good introduction for any developer interested in learning about how to work with Google Lighthouse programmatically.

Google 82

Google Latency Website Metrics 82

High Scalability

SEPTEMBER 7, 2018

Pflop/s : fully synchronous tensorflow data-parallel training; 3.3 However still far from Google ($28B) and Facebook ($13.2B). 5% might not sound like much, but it’s a huge figure when you consider that many VM optimisations aim to speed things up by 1% at most. They'll love you even more. Dare Obasanjo : Amazon made $2.2B

Internet 137

Internet Internet Scalability Lambda 137

Smashing Magazine

DECEMBER 23, 2020

It doesn’t come as a surprise, considering the benefits of higher conversion rates, customer engagement, decreased page loading speed, and lower costs on development and overhead. The service workers enable the offline usage of the PWA by fetching cached data or informing the user about the absence of an Internet connection.

Cache 124

Cache Internet Internet Google 124

Scalegrid

MAY 13, 2020

It can scale towards a multi-petabyte level data workload without a single issue, and it allows access to a cluster of powerful servers that will work together within a single SQL interface where you can view all of the data. This feature-packed database provides powerful and rapid analytics on data that scales up to petabyte volumes.

Big Data 321

Big Data Database Artificial Intelligence Open Source 321

High Scalability

JUNE 29, 2018

200TB : GitLab Git data; $100 Billion : Instagram; ~250k : Walmart peak events per second; 10x : data from upgraded Large Hadron Collider; 3mm : smallest computer; 9.9 jedberg : Despite being a strong advocate for AWS, this is where I will say Google completely outshines Amazon. For data centre these are twice as bad.

Scalability 131

Scalability Internet Internet Wireless 131

Speed Curve

DECEMBER 19, 2018

Here's what loading 14 scripts looked like in Internet Explorer 7: I've added a red arrow at the beginning of each script request. Browsers added support for this attribute starting with Firefox and Chrome in 2010, followed by Safari and Internet Explorer in 2012. The number of sync dropped and async rose in June 2016.

Internet 53

Internet Internet Website Traffic 53

High Scalability

JULY 20, 2018

Cliff Click : The JVM is very good at eliminating the cost of code abstraction, but not the cost of data abstraction. That means multiple data indirections mean multiple cache misses. That’s mapping applications to the specific architectural choices. They are very expensive. This is where your performance goes.

Internet 121

Internet Internet Scalability Automotive 121

Speed Curve

SEPTEMBER 25, 2018

Here at SpeedCurve, we are continually gathering detailed performance data from tens of thousands of web pages. The folk at Google have been pushing this sentiment with a focus on user-centric performance metrics , which aim to answer four questions about users’ experiences: Is it happening? What are paint timing metrics?

Metrics 49

Metrics Performance Testing Testing Internet 49

Smashing Magazine

APRIL 19, 2021

Google has announced that from 1st May, they will start to consider “Page Experience” as part of Search ranking , as measured by a set of metrics called Core Web Vitals. even the Google tools like PageSpeed Insights and the Core Web Vitals report in Google Search Console seem to give confusing information. Barry Pollard.

Google 140

Google Metrics Mobile Analytics 140