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

Dotcom-Montior

MAY 12, 2020

Websites are now more than just the storage and retrieval of information to present content to users. Hardware resources. Present-day applications make more much use of the database. It’s crucial for a page to load at considerable speed with all the images, videos, content, and all other elements of the page.

Monitoring 63

Monitoring Entertainment Hardware Latency 63

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 141

Google Metrics Mobile Analytics 141

Alex Russell

JANUARY 30, 2024

HTML, CSS, images, and fonts can all be parsed and run at near wire speeds on low-end hardware, but JavaScript is at least three times more expensive, byte-for-byte. India's speed test medians are moving quickly, but variance is orders-of-magnitude wide, with 5G penetration below 25% in the most populous areas.

Performance 90

Performance Network Mobile Speed 90

Smashing Magazine

OCTOBER 27, 2021

Nowadays, hardware and software are designed to conduct eye-tracking studies for marketing , UX , psychological and medical research , gaming , and several other use cases. billion by 2025 , being present in different segments and industries. This heatmap is a visual representation of the F-shaped pattern. More after jump!

Mobile 114

Mobile Website Hardware Social Media 114

Alex Russell

MARCH 6, 2021

Hardware Past As Performance Prologue. This 2GiB RAM, Android 9 stalwart features the all-too classic lines of a Quad-core A53 (1.4GHz, small mercies) CPU, tastefully presented in a charming 5.5" Recall that single-core performance most directly translates into speed on the web. So what did $150USD fetch in 2019?

Performance 124

Performance Network Cache Metrics 124

Smashing Magazine

JANUARY 11, 2021

Assets Optimizations Brotli, AVIF, WebP, responsive images, AV1, adaptive media loding, video compression, web fonts, Google fonts. Run performance experiments and measure outcomes — both on mobile and on desktop (for example, with Google Analytics ). Adjust the argument depending on the group of stakeholders you are speaking to.

Performance 145

Performance Cache Media Metrics 145

Smashing Magazine

JANUARY 6, 2020

You need a business stakeholder buy-in, and to get it, you need to establish a case study, or a proof of concept using the Performance API on how speed benefits metrics and Key Performance Indicators ( KPIs ) they care about. Adjust the argument depending on the group of stakeholders you are speaking to. Large preview ). Large preview ).

Performance 145

Performance Cache Network Metrics 145

Smashing Magazine

APRIL 29, 2021

It’s an initiative by Google to share unified guidance for quality signals that can be key to delivering a great user experience on the web. CWV is part of a set of page experience signals Google Search will be evaluating for ranking. From Speed at Scale with Katie Hempenius and I at Google I/O. Large preview ).

Media 145

Media Network Metrics Mobile 145

CSS - Tricks

AUGUST 18, 2020

When even a bit of React can be a problem on devices slow and fast alike, using it is an intentional choice that effectively excludes people with low-end hardware. I believe this range of mobile hardware will be illustrative of performance across a broad spectrum of device capabilities, even if it’s slightly heavy on the Apple side.

Performance 101

Performance Mobile Servers Code 101

Alex Russell

JUNE 20, 2020

is an open collaboration between Google, Microsoft , Intel , Samsung , and others to safely bring capabilities to the web which native developers have come to expect. In each quantum of time, hardware and OS vendors press ahead, adding features. This is often determined by hardware integration and device replacement rates.

Games 55

Games Hardware Java Media 55

Smashing Magazine

JANUARY 7, 2019

You need a business stakeholder buy-in, and to get it, you need to establish a case study on how speed benefits metrics and Key Performance Indicators ( KPIs ) they care about. Note : If you use Page Speed Insights (no, it isn’t deprecated), you can get CrUX performance data for specific pages instead of just the aggregates.

Performance 104

Performance Cache Metrics Network 104

Smashing Magazine

AUGUST 22, 2021

A Primer on Speed. Discussing performance and “speed” can quickly get complex, because many underlying aspects contribute to a web-page loading “slowly”. It is physically limited by the speed of light or, practically, how fast signals can travel in wires or in the open air. also “only” take two round trips ((b) is rarely shown).

Performance 107

Performance Network Latency Servers 107