https://www.s-sols.com/docs/wordpress/accelerator/how-does-it-work-accel/styles-optimization-accel
Splitting loading styles into 3 steps - Accelerator for WordPress - Seraphinite Solutions
Sep 7, 2022 - The smaller the size of the styles and the smaller the number of them at each stage of loading, the higher the speed of page display. Styles are optimized and
loading styles3 stepsfor wordpresssplitting