Brendan Gregg

FEBRUARY 28, 2023

As I was determined to become great at my new occupation regardless of my location, I read every sysadmin book, article, and magazine I could find on the shelf.

Performance 110

Performance Latency Cache Virtualization 110

Brendan Gregg

FEBRUARY 28, 2023

As I was determined to become great at my new occupation regardless of my location, I read every sysadmin book, article, and magazine I could find on the shelf.

Performance 52

Performance Latency Cache Virtualization 52

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. However, the price of eye-tracking used to be much higher than heatmaps, as measuring users’ gaze required special hardware to be used in-lab.

Mobile 111

Mobile Website Hardware Social Media 111

Smashing Magazine

SEPTEMBER 3, 2021

It can be hard to visualize the huge network of hardware that allows you to send a request for a page to a server and then receive a response back. I find it slightly reassuring that, despite there being many websites with very low speeds and high emissions, most of the results are clustered in the bottom right of the chart.

Website 135

Website Energy Internet Internet 135

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 105

Performance Network Latency Servers 105

Smashing Magazine

APRIL 19, 2021

Time to First Byte (TTFB), DOM Content Loaded, Start Render, Speed Index) — but from the experience of the user. LCP is supposed to measure loading performance and is a good proxy for all the old metrics we in the performance community used to use (i.e.

Google 140

Google Metrics Mobile Analytics 140

Smashing Magazine

MAY 20, 2020

It also allows the project to be loaded faster, which is pretty important in regards to the growing mobile share and new markets with slow connection speeds and fragmented internet coverage. All of this means that it will be more costly because of the growing hardware requirement and a little bit faster.

Performance 98

Performance Metrics Best Practices Code 98