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

MachMetrics

If you’re not a developer/designer, you may not be familiar with the Chrome DevTools and the extremely powerful Google Lighthouse Audits that can be found inside. However, you have likely used the Web UI that Google uses to allow you to test websites for speed – Google PageSpeed Insights. Best Practices.

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Performance Testing - Tools, Steps, and Best Practices

KeyCDN

Types of Performance Tests Although web page testing tools are helpful and can give you a quick overview of a website’s speed and overall performance, you should conduct a more thorough analysis using a variety of tests including: Load Tests: Load tests look at how increased workload affects an application’s response time.

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Release readiness through AI-based white box resiliency testing with JMeter and Dynatrace

Dynatrace

Our solution to modernize this legacy approach is an approach we call white box testing. In white-box testing, we combine open-source load testing tools such as JMeter with Dynatrace’s observability and analytics capabilities. from other test tools or real users).

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Tutorial: Guide to automated SRE-driven performance engineering

Dynatrace

You may have seen over the past few months we have been extensively promoting Service Level Indicators (SLIs) and Service Level Objectives (SLOs) as part of our Open Source project Keptn. The best practices describes how testing tool can add an additional HTTP Header called x-dynatrace-test to each simulated request.

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An Opinionated Guide to Performance Budgets

Speed Curve

Largest Contentful Paint (LCP) is one of Google's Core Web Vitals , so it's been getting a lot of attention lately. Cumulative Layout Shift (CLS) is another one of Google's Core Web vitals. The three metrics above – CLS, FID, and TBT – are all part of Google's Core Web Vitals. > Long Tasks (Synthetic and RUM).

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Front-End Performance Checklist 2021

Smashing Magazine

Assets Optimizations Brotli, AVIF, WebP, responsive images, AV1, adaptive media loding, video compression, web fonts, Google fonts. Run performance experiments and measure outcomes — both on mobile and on desktop (for example, with Google Analytics ). There are many tools allowing you to achieve that: SiteSpeed.io

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Front-End Performance Checklist 2020 [PDF, Apple Pages, MS Word]

Smashing Magazine

Run performance experiments and measure outcomes — both on mobile and on desktop (for example, with Google Analytics ). There are many tools allowing you to achieve that: SiteSpeed.io dashboard (open source), SpeedCurve and Calibre are just a few of them, and you can find more tools on perf.rocks.