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. Other rendering metrics have come along recently, including First Contentful Paint and First Meaningful Paint.

Metrics 56

Metrics Website Speed Media 56

Alex Russell

APRIL 29, 2021

First, what follows is not a critique of individuals on the Safari team or the WebKit project; it is a plea for Apple to fund their work adequately [2]. Web developers are a hearty bunch; we don't give up at the first whiff of bugs or incompatibility between engines. More often, there is a lag between the first and the rest.

Media 145

Media Games Education Engineering 145

Alex Russell

JANUARY 30, 2024

The Budget, 2024 JavaScript-Heavy Markup-Heavy Calculate Your Own Situation Report Mobile Desktop Takeaways The Great Branch Mispredict The Budget, 2024 # In a departure from previous years, we'll evaluate two sets of baseline numbers for first-load under five seconds on 75 th ( P75 ) percentile devices and networks. and 75KiB of JavaScript.

Performance 90

Performance Network Mobile Speed 90

Smashing Magazine

JULY 29, 2019

Throughout the experiment I will suggest performance tips to speed up the first contentful paint and perceived loading time of the page. Chrome devtools screenshot of the DOM, where I’ve expanded one inline style tag. The browser then had to do some work to unpack it into something meaningful. Large preview ).

Cache 96

Cache Google Mobile Network 96

Smashing Magazine

APRIL 29, 2021

Some tips to get us started: For a fast Largest Contentful Paint : Request your key hero image early. For low impact to First Input Delay : Avoid images causing network contention with other critical resources like CSS and JS. If using 11ty for your static sites, try the 11ty high-performance blog template. Large preview ).

Media 145

Media Network Metrics Mobile 145

Smashing Magazine

JANUARY 11, 2021

DOM complete, time to first byte, first input delay, client CPU and memory usage. To get accurate results and goals though, make sure to first get a thorough picture of your users' experience by studying your analytics. LogRocket tracks key metrics, incl. Get a free trial of LogRocket today. Intended as a RUM metric only.

Performance 145

Performance Cache Media Metrics 145