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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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What is synthetic testing?

Dynatrace

Also called continuous monitoring or synthetic monitoring , synthetic testing mimics actual users’ behaviors to help companies identify and remediate potential availability and performance issues. At a minimum, a synthetic monitoring program should include the following tools: Single-URL browser monitors.

Testing 221
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Cross-Browser Testing: Best Practices and Useful Resources

DZone

In the earlier days of web development, executing cross-browser testing used to be very easy. Wine testing.browser testing.what's the difference? There used to be only a few limited browsers, each browser had limited versions in usage, and most importantly, there were not so many different mobile screen sizes to worry about.

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Understanding the Importance of Cross-Browser Testing

DZone

It happens because developers put in a lot of effort into building an application that seems perfect to them, but cross-browser testing is essential if they want it to look the same on different machines. What Is Cross-Browser Testing? It is nothing fancy. It is important to know that not all browsers behave the same.

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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. Let’s take a look at how to get the most out of this powerful tool.

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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). We use Lighthouse and WebPagetest as our synthetic testing tools for performance to measure CLS. At first, we decided to run some tests using synthetic testing tools. Solving CLS Issues In A Next.js-Powered

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