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Nalezeno "performance": 1145

Responsible, Conditional Loading

25.12.2020
Over on the Polyplane blog (there’s no byline but presumably it’s Kilian Valkhof), there is a great article, Creating websites with prefers-reduced-data, about the prefers-reduced-data media query. No browser support yet, but eventually you can use it in CSS to make choices that reduce...

Continuous Performance Analysis with Lighthouse CI and GitHub Actions

23.12.2020
Lighthouse is a free and open-source tool for assessing your website’s performance, accessibility, progressive web app metrics, SEO, and more. The easiest way to use it is through the Chrome DevTools panel. Once you open the DevTools, you will see a “Lighthouse” tab. Clicking the “Generate report”...

xSigma Recruits Former Ripple Engineer to Join xSigma DeFi

21.12.2020
PRESS RELEASE. ZK International Group Co., Ltd. (Nasdaq: ZKIN) (“ZKIN”, “ZK International” or the “Company”), a designer, engineer, manufacturer, and supplier of patented high-performance stainless steel and carbon steel pipe products primarily used for water...

CoinEx Celebrates Third Anniversary With Overall System and Product Upgrade

18.12.2020
PRESS RELEASE. CoinEx, a global and professional cryptocurrency exchange service provider, celebrates its third anniversary and announces that it has upgraded and optimized the underlying system as well as the front-end. After months of hard work by the R&D department, CoinEx has completed...

HTTP Archive’s Annual State of the Web Report

14.12.2020
The HTTP Archive looked at more than 7 million websites and compiled their annual report detailing how the sites were built. And there’s an enormous wealth of information about how the web changed in 2020. In fact, this report is more like an enormous book and it’s entirely fabulous. The data comes...

Web Performance Calendar

7.12.2020
The Web Performance Calendar just started up again this year. The first two posts so far are about, well, performance! First up, Rick Viscomi writes about the mythical “fast” web page: How you approach measuring a web page’s performance can tell you whether it’s built for speed or whether it feels...

The Core Web Vitals hype train

24.11.2020
Some baby bear thinking from Katie Sylor-Miller: my excitement for Core Web Vitals is tempered with a healthy skepticism. I’m not yet convinced that Largest Contentful Paint (LCP), First Input Delay (FID), and Cumulative Layout Shift (CLS) are the right metrics that all sites should...

Measuring Core Web Vitals with Sentry

17.11.2020
Chris made a few notes about Core Web Vitals the other day, explaining why measuring these performance metrics are so gosh darn important: I still think the Google-devised Core Web Vitals are smart. When I first got into caring about performance, it was all: reduce requests! cache things! Make...

A Complete Guide to CSS Gradients

17.11.2020
Like how you can use the background-color property in CSS to declare a solid color background, you can use the background-image property not only to declare image files as backgrounds but gradients as well. Using CSS gradients is better for control and performance than using an actual image (of...

SVGBOX

13.11.2020
I’ve been saying for years that a pretty good icon system is just dropping in icons with inline <svg> where you need them. This is simple to do, offers full design control, has (generally) good performance, and means you aren’t smurfing around with caching and browser support...

Gold Price Expected to Rally Despite Concerns About Lockdown 2.0

5.11.2020
Gold industry players say the inevitable printing of new money by the U.S. will lead to an increase in the circulating supply of fiat currency. This increase, in turn, will further dilute the value of U.S. currency and thus diminish its perceived status as the world’s foremost reserve...

Limit Promise Concurrency with pool

3.11.2020
Methods like Promise.all, Promise.allSettled, Promise.race, and the rest are really excellent for managing multiple Promises, allowing for our apps to embrace async and performance. There are times, however, that limiting the number of concurrent operations may be useful, like rate limiting...

GIFS and prefers-reduced-motion

3.11.2020
The <picture> element has a trick it can do where it shows different image formats in different situations. If all you are interested in is formats for the sake of performance, maybe you’d do: <picture<source srcset="img/waterfall.avif" type="image/avif"<source...

More on content-visibility

28.10.2020
Back in August 2020, when the content-visiblity property in CSS trickled its way into Chrome browsers, Una Kravets and Vladimir Levin wrote about it and we covered it. The weirdest part is that to get the performance value out of it, you pair it with contain-intrinsic-size on these big chunks...

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