Issue #318

José M. Pérez shares some ideas to create awareness around performance optimization in a team and company.

Catalin Cimpanu shares a fascinating story about two security engineers who revealed how an attacker could abuse mix-blend-mode to leak information from an embedded iframe.

Unlock The User Onboarding Academy today (it’s free!). Get access to the complete 5-lesson course following the EMBED framework.

Kunal Sarkar showcases a ton of CSS techniques while showing how to build a sci-fi ID card for Avengers.

Ryan Yu introduces SEM (Scalable, Extensible, Maintainable) and BIO (BEM, ITCSS, OOCSS) technique, and explains how it can help you enhance your CSS strategy.

Benjamin Johnson dives into the CSS cascade and looks at a few ways to keep the cascade from getting out of hand.

Ben Frain shares some useful or perhaps underused techniques that will help you to perform with fluidly in your editor or IDE of choice.

Heydon Pickering looks into a few permutations of a simple card component, emphasizing a balance between sound HTML structure and ergonomic interaction.

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Swup is a library that enables animated transitions between pages powered by CSS.

Subfont is a command line tool to optimize your webfont loading by subsetting fonts based on use.

In this inspiring and sobering article, Jeffrey Zeldman bemoans our industry’s fixation on the needlessly complicated over the straightforward.