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

CSS - Tricks

Along with other general diagnostics and web performance metrics, a really useful feature of the report is that each of the key areas is aggregated into color-coded scores between 0-100. In lh.js , you’ll next want to delete the test console.log() and import the Lighthouse module so you can use it in your code.

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Front-End Performance Checklist 2021

Smashing Magazine

How do we actually know where we stand in terms of performance, and what exactly our performance bottlenecks are? So, if we created an overview of all the things we have to keep in mind when improving performance — from the very start of the project until the final release of the website — what would that look like?

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Optimize Images for Web

KeyCDN

We normally focus solely on the performance aspect, but today we want to dive into additional ways you can optimize images for the web. The file size of your images of course is very important, but SEO and social media also play an important part in helping your website perform and convert better.

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

Smashing Magazine

How do we actually know where we stand in terms of performance, and what our performance bottlenecks exactly are? Is it worth exploring tree-shaking, scope hoisting, code-splitting, and all the fancy loading patterns with intersection observer, server push, clients hints, HTTP/2, service workers and — oh my — edge workers?

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

Smashing Magazine

How do we actually know where we stand in terms of performance, and what our performance bottlenecks exactly are? Is it worth exploring tree-shaking, scope hoisting, code-splitting, and all the fancy loading patterns with intersection observer, server push, clients hints, HTTP/2, service workers and — oh my — edge workers?