Smashing Magazine

OCTOBER 18, 2021

Powered E-Commerce Website (Case Study). Powered E-Commerce Website (Case Study). For this case study, we are mainly going to focus on CLS. We use Lighthouse and WebPagetest as our synthetic testing tools for performance to measure CLS. Solving CLS Issues In A Next.js-Powered Arijit Mondal.

Website 105

Website Google Metrics Testing Tools 105

Smashing Magazine

AUGUST 15, 2023

400 pages , jam-packed with in-depth user research and best practices. Web developers should learn to use various testing tools such as Lighthouse and WebPageTest. Meet Touch Design for Mobile Interfaces , Steven Hoober’s brand-new guide on designing for mobile with proven, universal, human-centric guidelines.

Media 73

Media Metrics Mobile Best Practices 73

Smashing Magazine

MAY 9, 2022

WebPageTest is one of the few web performance testing tools that actually tests a reload of the page using a primed HTTP Cache — most of the other tools just flag if your HTTP resources are not explicitly set to be cached. 400 pages , jam-packed with in-depth user research and best practices.

Cache 91

Cache Games Performance Website 91

Speed Curve

FEBRUARY 15, 2021

Google Lighthouse is an open-source tool that checks your page against rules for Performance, PWA, Accessibility, Best Practice, and SEO. A good practice is to look at your last 2-4 weeks of data for a given metric, identify the worst number, and then set your performance budget for that number. (

Performance 135

Performance Metrics Benchmarking Google 135

Rigor

SEPTEMBER 3, 2019

Case studies abound. At a minimum, Optimal recommends that you have RUM, APM, synthetic, and load test tools set up, instrumented, and producing meaningful data. Review OWASP’s recommendations and best practices with your developers. The Cost of Site Failure During High-Load Days.

Website 74

Website Cache Ecommerce Traffic 74

KeyCDN

AUGUST 29, 2019

According to Google, the best practice for a website’s speed is to keep it under 3 seconds load time. As we can see from the graph below, this best practice is far from being met for sites based in the United States. Fonts are render-blocking as we discussed in our case study on web font performance.

Google 103

Google Cache Speed Analytics 103

Smashing Magazine

JANUARY 11, 2021

You need a business stakeholder buy-in, and to get it, you need to establish a case study, or a proof of concept using the Performance API on how speed benefits metrics and Key Performance Indicators ( KPIs ) they care about. It will help you build up a company-tailored case study with real data. How to get there?

Performance 145

Performance Cache Media Metrics 145