[技术博客]使用CDN加快网站访问速度 2s : most users are willing to wait 10s : the limit for keeping the user's attention focused on the dialogue 15s : tolerant time limit of most users -- Fiona Fui-Hoon Nah, in A study on tolerable waiting time: how long are Web use…
Google Web font在国内经常不稳定,速度在国内延迟也很高,而引发网页打开速度慢. 一.常见的字体格式介绍 不同的浏览器对字体格式支持是不一致的,常见的如下: 1.TureTpe(.ttf): .ttf字体是Windows和Mac的最常见的字体,是一种RAW格式,因此他不为网站优化,支持这种字体的浏览器有[IE9+,Firefox3.5+,Chrome4+,Safari3+,Opera10+,iOS Mobile Safari4.2+]: 2.OpenType(.otf): .otf字…
一.环境 OS: windows 二.步骤 2.1.ping mirrors.163.com Pinging mirrors.163.com [23.111.1.151] with 32 bytes of data:Reply from 23.111.1.151: bytes=32 time=28ms TTL=50Reply from 23.111.1.151: bytes=32 time=31ms TTL=50Reply from 23.111.1.151: bytes=32 time=31m…