illustration for Critical Rendering Path

Course

Critical Rendering Path

1
See the Critical Rendering Path in the browser
2m 54s
2
Layout Reflow in the Browser
1m 23s
3
Solving layout reflow
2m 18s
4
Solving layout thrashing by caching measured value
2m 21s
5
Solving layout thrashing with debounce
3m 51s

Layout Reflow in the Browser

Yonatan Kra

InstructorYonatan Kra

JavaScript

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Layout reflow can be a performance bottleneck. Let's see how to identify it in the browser and what causes the reflow.