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Nalezeno "audits": 98

Core Web Vitals


Core Web Vitals is what Google is calling a a new collection of three web performance metrics: LCP: Largest Contentful Paint FID: First Input Delay CLS: Cumulative Layout Shift These are all measurable. They aren’t in Lighthouse (e.g. the Audits tab in Chrome DevTools) just yet, but sounds...

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


In this tutorial, I’ll show you step by step how to create a simple tool in Node.js 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. I’m hopeful this...

Getting Started with Front End Testing


Amy Kapernick covers four types of testing that front-end devs could and should be doing: Linting (There's ESLint for JavaScript and Stylelint or Prettier for CSS.) Accessibility Testing (Amy recommends pa11y, and we've covered Axe.) Visual Regression Testing (Amy recommends Backstop, and we've...

Automated (and Guided!) Accessibility Audits with axe Pro


It's important to know there are tools for automated accessibility testing of websites. They are a vital part in helping make sure your website is usable for everyone, which is both a noble goal and damn good for business. Automated tests won't catch every potential accessibility issue, but they...

Crypto Adoption: First Opera Wallet for iOS; PwC Starts Crypto Audits


Another two good news reached the crypto industry, showing more examples of the ongoing adoption. First, Opera Software launched their blockchain-ready Opera Touch web browser with a crypto wallet for iOS. Second, accountancy giant PricewaterhouseCoopers (PwC) has added cryptocurrency auditing...

Your first performance budget with Lighthouse


Ire Aderinokun writes about a new way to set a performance budget (and stick to it) with Lighthouse, Google’s suite of tools that help developers see how performant and accessible their websites are: Until recently, I also hadn't setup an official performance budget and enforced it. This isn’t...

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