360 Tech Engineering
Jan 14, 2019 · Frontend Development
Understanding the Critical Rendering Path: From DOM and CSSOM to Layout and Paint
This article explains the browser's critical rendering path, detailing how HTML, CSS, and JavaScript are transformed into pixels through DOM construction, CSSOM creation, render tree generation, layout, and painting, and discusses how JavaScript can block and delay these stages.
CSSOMCritical Rendering PathDOM
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