Smashing Magazine

APRIL 29, 2021

Some tips to get us started: For a fast Largest Contentful Paint : Request your key hero image early. While not render-blocking, they can indirectly impact render performance. If using 11ty for your static sites, try the 11ty high-performance blog template. Use srcset + efficient modern image formats. The Basics.

Media 145

Media Network Metrics Mobile 145

Speed Curve

OCTOBER 25, 2023

In this correlation chart, you can see that conversion rate peaks at just over 6% for sessions with Largest Contentful Paint (LCP) times of 1.1 The takeaway here is that improving LCP time for more of this site's visitors could lead to a higher number of conversions overall, and more revenue. – your page renders.

Benchmarking 62

Benchmarking Metrics Website Monitoring 62

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. Here at SpeedCurve, we think it's good to focus on rendering metrics, because they're a closer approximation to what the user experiences.

Metrics 56

Metrics Website Speed Media 56

Smashing Magazine

JANUARY 11, 2021

DOM complete, time to first byte, first input delay, client CPU and memory usage. Is it expensive JavaScript, slow web font delivery, heavy images, or sluggish rendering? Delivery Optimizations Lazy loading, intersection observer, defer rendering and decoding, critical CSS, streaming, resource hints, layout shifts, service worker.

Performance 145

Performance Cache Media Metrics 145

MachMetrics

SEPTEMBER 1, 2020

This is a huge deal because your visitors are still on the hook for the time it takes to download each of these images (as well as the data required), and they don’t even get to see them! The large HD image you use for a hero image on the desktop version of your site isn’t going to look near as good on a small screen.

Design 57

Design Media Mobile Website 57

CSS - Tricks

JUNE 19, 2019

28% faster Time-to-Interactive. As a side note, the next time you think about refactoring something, don’t. Because I did not spend all of this time refactoring to not deploy it. medium[data-v-" is in the CSS 13 times, but should only be there once. You know, like the title of the blog post literally says.

Cache 63

Cache Internet Internet Code 63

Smashing Magazine

JULY 29, 2019

Last time, I navigated the web for a day using Internet Explorer 8. This time, I browsed the web for a day on a 50 MB budget. People often buy data packages of just tens of megabytes at a time, making a gigabyte a relatively large and therefore expensive amount of data to buy. Just how expensive are we talking? Large preview ).

Cache 96

Cache Google Mobile Network 96