• Understanding the critical rendering path, rendering pages in 1 second https://medium.com/@luisvieira_gmr/understanding-the-critical-rendering-path-rendering-pages-in-1-second-735c6e45b47a 17 comments 29/9/2017 webdev
• How CSS works: Parsing & painting CSS in the critical rendering path https://blog.logrocket.com/how-css-works-parsing-painting-css-in-the-critical-rendering-path-b3ee290762d3 5 comments 10/4/2018 css