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Google Lighthouse Audits – How to use Chrome’s built-in speed testing tool

MachMetrics

However, you have likely used the Web UI that Google uses to allow you to test websites for speed – Google PageSpeed Insights. Lighthouse is a completely open-source tool that allows users to test any website in a multitude of ways. What Does Google Lighthouse Test? Performance. Accessibility.

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New! Web Performance Guide

Speed Curve

The Web Performance Guide is – as its name suggests – a collection of articles we've been writing over the years to answer the most common questions we field about performance topics like site speed, why it matters, how it's measured, website monitoring tools, metrics, analytics, and optimization techniques.

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Solving CLS Issues In A Next.js-Powered E-Commerce Website (Case Study)

Smashing Magazine

Powered E-Commerce Website (Case Study). Powered E-Commerce Website (Case Study). There are many key performance indicators (KPI) that measure different points during the lifecycle of the web page (such as TTFB, domInteractive and onload ), but these metrics don’t reflect how the end-user experiences the page. Arijit Mondal.

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Performance Testing - Tools, Steps, and Best Practices

KeyCDN

Web performance is a broad subject, and you’ll find no shortage of performance testing tips and tutorials all over the web. Before you begin tuning your website or application, you must first figure out which metrics matter most to your users and establish some achievable benchmarks. What is Performance Testing?

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Search Engine Optimization Checklist (PDF)

Smashing Magazine

Implementing SEO best practice doesn’t just give you the best chance possible of ranking well in search engines; it makes your websites better by scrutinizing quality, design, accessibility, and speed, among other things. Following best practice usually means a better website, more organic traffic, and happier visitors.

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How BizDevOps can “shift left” using SLOs to automate quality gates

Dynatrace

Establishing clear, consistent, and effective quality gates that are automatically validated at each phase of the delivery pipeline is essential for improving software quality and speeding up delivery. Automating quality gates creates reliable checks and balances and speeds up the process by avoiding manual intervention.

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An Opinionated Guide to Performance Budgets

Speed Curve

Web pages are unbelievably complex, and there are hundreds of different metrics available to track. A performance budget is a threshold that you apply to the metrics you care about the most. This is when you run into three important questions: Which metrics should you focus on? Which metrics should you focus on?