Best Practices Development Speed Website Performance 
KeyCDN
AUGUST 15, 2019
Before you begin tuning your website or application, you must first figure out which metrics matter most to your users and establish some achievable benchmarks. What is Performance Testing? When the word “performance” is heard, most people immediately think of speed.
MachMetrics
SEPTEMBER 7, 2018
Google’s PageSpeed Insights tools may be just what you need to leverage data collected through speed testing. Having too many large images, files, and plugins may slow down site speed or server response times and that is where PageSpeed testers come in. What is PageSpeed Insights? Understanding Your PageSpeed Insights Score.
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Rigor
JANUARY 13, 2020
Yet, we wanted to put together our list of the top web performance books for anyone who cares about speed of the web and would like to explore the timeline of web performance engineering milestones over nearly two decades through the lens of published books. Web Performance Daybook-Volume-2. Web Performance In Action.
MachMetrics
APRIL 3, 2020
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. Author Steve Souders writes about the best practices that he gained as the Chief Performance Yahoo!,
Speed Curve
DECEMBER 20, 2021
Elena is an invaluable member of our development team – and as an athlete, adventurer, and traveller, she's equally invaluable as an inspiration for living our best lives outside work hours! Andy joined us in June , and since then he's already helped countless customers in his role as in-house performance consultant.
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. Google Lighthouse is one of the best-automated tools available on a web developer's utility belt. Hello world.
Smashing Magazine
MAY 6, 2019
Lazy loading is a way to improve the performance of a website or web application by maximizing the rendering speed of the above-the-fold images and iframes (and sometimes videos) by deferring the loading of below-the-fold content. Let’s start with a comparison between native lazy loading and the good ol’ JavaScript-driven one.
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