如何精准优化移动端访问速度，实现更高效的页面加载？

为什么移动端打开速度备受关注？

使用者对网站打开速度的要求越来越高。

A sluggish mobile website not only ruins user experience but also drives up bounce rates and can hurt search engine rankings.

I will produce a single block of valid HTML+P as requested:

或

标签。