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Build a Node.js Tool to Record and Compare Google Lighthouse Reports

CSS - Tricks

to run Google Lighthouse audits via the command line, save the reports they generate in JSON format and then compare them so web performance can be monitored as the website grows and develops. What is Google Lighthouse? These are: Performance Accessibility Best Practices SEO Progressive Web App. Hello world.

Google 82
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An In-Depth Guide To Measuring Core Web Vitals

Smashing Magazine

Google has announced that from 1st May, they will start to consider “Page Experience” as part of Search ranking , as measured by a set of metrics called Core Web Vitals. even the Google tools like PageSpeed Insights and the Core Web Vitals report in Google Search Console seem to give confusing information. Barry Pollard.

Google 141
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Mobile Page Speed Testing

MachMetrics

Mobile use surpassed desktop use years ago, but all too often websites are still being built desktop first and mobile second. If you’re unsure of how your website performs on a mobile device (or even got a poor result on a speed audit), stick with us. Measure Your Mobile Performance. Google Devs.

Speed 67
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Front-End Performance Checklist 2021

Smashing Magazine

This guide has been kindly supported by our friends at LogRocket , a service that combines frontend performance monitoring , session replay, and product analytics to help you build better customer experiences. Run performance experiments and measure outcomes — both on mobile and on desktop (for example, with Google Analytics ).

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

Smashing Magazine

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. Testing And Monitoring. Getting Ready: Planning And Metrics. Setting Realistic Goals.

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Front-End Performance Checklist 2019 [PDF, Apple Pages, MS Word]

Smashing Magazine

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. Testing And Monitoring. Quantity-based metrics measure the number of requests, weight and a performance score. Getting Ready: Planning And Metrics.