We haven’t historically had ways of accurately determining how much memory a page is using in the real world, which means we haven’t been able to draw a connection between memory usage and business or user engagement metrics to be able to determine what “good” looks like. So at the moment, we have no idea how problematic memory is, other than anecdotal stories that crop up here and there.
Clipping and masking have been around for a while now in CSS and even have pretty decent browser support. I recently worked on a project that needed to use a clipping technique for tooltips showing above links in text.
Automating your accessibility tests with libraries like axe, pa11y, lighthouse, or unit tests directly in your GitHub repository is really easy with GitHub Actions. But first, let’s define what GitHub Actions are and their workflows.
The way you write your styles and build layouts can have a major impact on Core Web Vitals. This is particularly true for Cumulative Layout Shift (CLS) and Largest Contentful Paint (LCP). This article covers CSS-related techniques for optimizing Web Vitals. These optimizations are broken down by different aspects of a page: layout, images, fonts, animations, and loading.