Related to how rendering works in Browser. Following article might be helpful. https://blog.usejournal.com/what-the-heck-is-repaint-and-reflow-in-the-…

43. What are Web Workers and Service Workers ? 

43. Web Workers と Service Workers とは? 

43. Web Workers 和 Service Workers 是什么? 

41. What is `keep-alive` in Vue.js useful for?

42. What is the difference between Repaint and Reflow?