Speed Curve

SEPTEMBER 25, 2018

This gives us a relatively unique opportunity to analyse and aggregate performance metrics to gain some interesting insights. In this post, I'm going to analyse some browser-based paint timing metrics: First Paint & First Contentful Paint (defined in the Paint Timing spec and implemented in Chromium). Doing the analysis.

Metrics 49

Metrics Performance Testing Testing Internet 49

CSS - Tricks

OCTOBER 10, 2019

Your performance audit is ready. If you are building an SPA and want to measure its performance, you could rely on end-to-end testing tools like Selenium , Cypress or Puppeteer. However, I have found that none of these has the amount of performance-related information and easy-to-use tooling that WebPageTest offers.

Performance Testing 51

Performance Testing Testing Performance Open Source 51

MachMetrics

JUNE 30, 2021

Many people often confuse site speed with page speed grades of performance testing tools, which are actually calculated based on multiple factors of a page including its loading speed. The screenshot below explains that page load time and lighthouse performance scores are not the same, yet they are really close to each other.

Cache 78

Cache Speed Google Website 78

MachMetrics

JANUARY 23, 2020

You may even have a client who’s wondering why they’re getting inconsistent results on tests they’ve run on a site you built for them. It’s one of the most common (and frustrating) scenarios in web performance testing. Others will be coming to you from a slow, rural internet connection on a budget laptop.

Speed 62

Speed Testing Website Cache 62

Dotcom-Montior

JANUARY 18, 2018

Top 5 Reasons Why Performance Monitoring is Useful There is no doubt that monitoring of web page load times is a must have for successful businesses. You can’t drive with closed eyes, and the same is true for performance monitoring. If you don’t keep many eyes on different metrics 24 / 7, odds are high that a disaster is imminent. #1

Monitoring 40

Monitoring Performance Website Ecommerce 40

Smashing Magazine

JANUARY 7, 2019

Performance isn’t just a technical concern: it matters, and when baking it into the workflow, design decisions have to be informed by their performance implications. Getting Ready: Planning And Metrics. Testing And Monitoring. Getting Ready: Planning And Metrics. Table Of Contents. Setting Realistic Goals.

Performance 104

Performance Cache Metrics Network 104

Smashing Magazine

JANUARY 6, 2020

Performance isn’t just a technical concern: it affects everything from accessibility to usability to search engine optimization, and when baking it into the workflow, design decisions have to be informed by their performance implications. Getting Ready: Planning And Metrics. Testing And Monitoring. Table Of Contents.

Performance 145

Performance Cache Network Metrics 145