Smashing Magazine

APRIL 29, 2021

Given how central it is to image optimization on the web, let’s catch up on what it can do and how it can help improve user experience and the Core Web Vitals. I’ll be covering image optimization in more depth in Smashing Magazine’s new book on Image Optimization. Use srcset + efficient modern image formats.

Media 145

Media Network Metrics Mobile 145

Speed Curve

OCTOBER 25, 2023

With SpeedCurve RUM , you can create correlation charts that show you the relationship between performance metrics – from start render and LCP to page metrics like image and JavaScript size. Hovering over the Hero Largest Image metric (below) shows that it lines up with the main visual element. – your page renders.

Benchmarking 64

Benchmarking Metrics Website Monitoring 64

Speed Curve

APRIL 3, 2018

We're excited to announce that we've launched Last Painted Hero as an official metric. Last Painted Hero is a synthetic metric that shows you when the last piece of critical content is painted. We call those parts of the page the "hero elements". In fact, Apple's background image has "heroes" in the URL.).

Metrics 56

Metrics Website Speed Media 56

MachMetrics

SEPTEMBER 1, 2020

Unfortunately, many themes and frameworks achieve responsive design by using hidden images on mobile devices or tablets. Did you know that if you’re using CSS to hide images based on the screen size that they’re still being downloaded by the visitor’s browser? Ok, so what’s the problem?

Design 57

Design Media Mobile Website 57

Smashing Magazine

FEBRUARY 15, 2021

It’s not uncommon to find websites with extremely large videos — for example, used used as hero background videos. You may have noticed a few videos and hero images on the page, but really, every pizza place kind of looks the same, so you didn’t bother to watch the video. Real-World Data. Conclusion. vf, il).

Network 143

Network Speed Website Mobile 143

MachMetrics

JUNE 18, 2019

The most important thing you can do to speed up your site is: Optimize your images! But there are a few tips you should know to ensure you’re optimizing your images effectively. The statistical site HTTP Archive lists images as responsible for more than 60% of the data required to fetch the average website.

Speed 81

Speed Website Social Media Media 81

Smashing Magazine

JANUARY 11, 2021

Is it expensive JavaScript, slow web font delivery, heavy images, or sluggish rendering? Assets Optimizations Brotli, AVIF, WebP, responsive images, AV1, adaptive media loding, video compression, web fonts, Google fonts. Image credit: Performance is a distribution via Karolina Czczur ). To deliver an LCP in <2.5s

Performance 145

Performance Cache Media Metrics 145