A Guide to Cross Browser Testing - Automated Visual Testing | Applitools
Learn everything you need to know about cross browser testing, including examples, a comparison of different implementation options and how to get started.
A New Way To Reduce Font Loading Impact: CSS Font Descriptors — Smashing Magazine
Web fonts are often terrible for web performance and none of the font loading strategies are particularly effective to address that. Upcoming font options may finally deliver on the promise of making it easier to align fallback fonts to the final fonts.
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Umar Hansa on Twitter: "JavaScript Tip ⚡️ Automatically remove an event listener after it has executed. el.addEventListener('click', console.log, { once: true }); Removing event listeners, assuming they're not needed anymore, with {once: true} will help performance. #100DaysOfCode #JavaScript https://t.co/kiNWT1dp5f" / Twitter
Matija Grcic on Twitter: "You can use #puppeteer to programmatically collect code coverage, see a simple example below. #perfnow @perfnowconf @8westconsulting https://t.co/1Z06wtKBAw" / Twitter