See also "Inside Look At Modern Web Browser" series: https://developers.google.com/web/updates/2018/09/inside-browser-part1 https://developers.google.com/web/up

See also "Inside Look At Modern Web Browser" series: https://developers.google.com/web/updates/2018/09/inside-browser-part1 https://developers.google.com/web/updates/2018/09/inside-bro... And "Anatomy Of A Frame": https://aerotwist.com/blog/the-anatomy-of-a-frame/ https://aerotwist.com/blog/the-anatomy-of-a-frame/ Also "Inside A Super Fast CSS Engine: Quantum CSS (AKA Stylo)": https://hacks.mozilla.org/2017/08/inside-a-super-fast-css-engine-quantum-css-aka-stylo/ https://hacks.mozilla.org/2017/08/inside-a-super-fast-css-en... If you dig around chromium.org you can find lots of details about Chromium's guts, too.