A recent analysis has shown how problematic jQuery usage can be for performance, especially in WordPress themes, which often have little JavaScript overall. If you are developing or maintaining a WordPress theme, consider switching to vanilla JS instead: make.wordpress.org/themes/2021/1…

Native lazy-loading images is coming to #WordPress 5.5, for faster sites and less waste of network resources! And it’s accompanied by further image improvements which reduce those annoying layout shifts that make you accidentally click on the wrong things. make.wordpress.org/core/2020/07/…

Let’s investigate data structures in WordPress together to deeply understand how it actually works. This post is a written version of my session today at #WCPDX! felix-arntz.me/blog/types-subtyp…

Plus, there’s also the slides: slides.felix-arntz.me/types-subt…